global • USD

PMT Calculator

Calculate your monthly loan payment using the PMT formula. See total interest, amortization schedule, and compare loan scenarios. Free tool for mortgages, auto loans, and personal loans.

Last revised 2 September 2026

By Team GlobalCalqulate · About our editorial standards

Loan Details

Loan Amount ($)

Annual Interest Rate (%)

Loan Term (Years)

Payments Per Year

12 for monthly, 26 for bi-weekly, 52 for weekly.

Decimal Places

Financial Disclaimer: This result is an educational estimate produced by applying a standard formula to the figures you entered. It is not an offer, a quotation, or financial advice: real costs and returns depend on a provider's pricing, fees and underwriting, and on circumstances this calculator does not collect. Confirm the figures with the provider or a qualified adviser before acting on them. Full disclaimer.

Sources & methodology

Formula:: Periodic rate and period count
Reference:: Consumer Financial Protection Bureau (CFPB)
Content last updated:: September 2026
Scheduled re-verification:: September 2027

Calculation type: Exact calculation. Figures are taken from Consumer Financial Protection Bureau (CFPB) — see sources below.

Your entries stay on this device. This calculator runs entirely in your browser — the figures you type are not sent to us or to anyone else. The page itself uses cookies for analytics and advertising, described in the privacy policy.

Formula & methodology

Formula used

Periodic rate and period count

r = annual rate ÷ 100 ÷ m;  n = m × years

The annual rate is split across the m compounding periods per year, and the term is expressed in those same periods.

Payment (PMT)

PMT = PV × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

The level payment that fully amortises the present value over n periods. At a zero rate this becomes PV ÷ n.

Total interest

total interest = (PMT × n) − PV

The sum of all payments less the original balance.

Variable definitions

Symbol	Meaning	Unit
PV	Loan amount (present value). the balance being repaid	currency
r	Rate per period. the annual rate divided by the number of periods per year	decimal
n	Number of periods. periods per year multiplied by the number of years	count
m	Periods per year. 12 for monthly, 4 for quarterly, 1 for annual	count

Step-by-step calculation

1. Enter the amount, annual rate and term in years
The rate entered is the nominal annual rate.
2. Choose the number of periods per year
This sets both the payment frequency and how the rate is divided.

Limitations

Assumes a fixed rate and a payment at the end of each period (an ordinary annuity). Payments made at the start of each period would be slightly smaller.
Fees, insurance and taxes are excluded, so this is the pure principal-and-interest payment.

This page is educational. It applies a standard formula to the figures you enter and shows the arithmetic behind the result. It is an estimate, not an offer, a quotation or financial advice: real costs depend on the provider's pricing, fees and underwriting, and on circumstances this calculator does not collect.

Sources & references

Consumer Financial Protection Bureau — how loan payments are calculated — Consumer Financial Protection Bureau (CFPB)

Help & FAQs

Frequently Asked Questions

Clear answers to common questions to help you use this calculator confidently.

What does PMT mean in loan calculations?

Tap to view the answer

PMT stands for periodic payment — the fixed amount paid each period to repay a loan. It includes both principal (original amount borrowed) and interest (cost of borrowing). The PMT formula calculates this based on loan amount, interest rate, and term.

How do I calculate my monthly loan payment?

Tap to view the answer

Use the formula: PMT = P × [r(1 + r)^n] / [(1 + r)^n − 1], where P = principal, r = monthly interest rate (annual rate ÷ 12), and n = total payments (years × 12). This calculator automates the computation instantly.

What's the difference between PMT and EMI?

Tap to view the answer

PMT (payment) is a general term for any fixed periodic payment. EMI (Equated Monthly Installment) is the term commonly used in India and some countries for loan payments. They use the same underlying formula, but EMI specifically refers to monthly installments on loans like mortgages or auto loans.

What's the total interest I'll pay over the loan term?

Tap to view the answer

Total Interest = (Monthly Payment × Number of Months) − Principal. On a $300K, 30-year loan at 6% APR: $1,799 × 360 − $300,000 = $347,757 in interest — which is why comparing rates matters, since even 1% difference can mean tens of thousands of dollars.

What's this calculator best used for, and what does it not include?

Tap to view the answer

This calculator computes the periodic principal-and-interest payment for a fixed-rate loan — useful for quick loan comparisons, affordability checks, and pre-qualification estimates. It doesn't include taxes, insurance, or PMI, doesn't model extra/prepayments, and assumes a fixed rate throughout. Use an amortization calculator for a full payment-by-payment schedule.

Need more help? Contact support or email globalcalqulate@gmail.com

We typically reply within 24–48 hours.

More everyday calculators

All everyday calculators

Key Tips

✓
PMT formula: (P × r) ÷ (1 − (1+r)^(−n)). Example: $100,000 at 5% for 30 years (r=0.05/12, n=360) = $536.82/month.
✓
A longer term lowers each payment but dramatically increases total interest.
✓
Bi-weekly payments (26 per year) reduce total interest compared to 12 monthly payments.
✓
The PMT function in Excel/Sheets works identically: =PMT(rate/12, years×12, −loan).

How the PMT Formula Works

The PMT Formula Explained

PMT = (P × r) ÷ (1 − (1+r)^(−n)). P is the loan principal, r is the periodic interest rate (annual rate ÷ payments per year), and n is total number of payments. This formula calculates the fixed payment that exactly pays off the loan — principal plus interest — over the specified term. It's the same formula behind Excel's PMT() function and every loan amortization calculator.

Why Longer Terms Cost So Much More

On a $100,000 loan at 5%: 15-year term = $791/month, $42,343 total interest. 30-year term = $537/month, $93,255 total interest. The 30-year loan costs $51,000 MORE in interest — more than half the original loan amount. The lower monthly payment is attractive, but you pay for it over time. Use the calculator to compare different terms and see the tradeoff.

PMT vs EMI

PMT (Payment) and EMI (Equated Monthly Installment) are the same calculation. EMI is the term commonly used in India and parts of Asia. PMT is the standard term in US/UK and in spreadsheet functions. Both use the identical annuity formula — they're the same math with different names.

1. Forgetting to Convert Annual Rate to Monthly

The Mistake: Using 6% directly instead of 6% ÷ 12 = 0.5% monthly. This inflates the monthly payment significantly. Real Example: $300K loan at 6%: Using 6% monthly instead of 0.5% monthly results in ~$18,000 payment vs. correct ~$1,800 payment. Massive error!. Fix: Always divide annual APR by 12 to get monthly rate. Our calculator handles this automatically.

2. Using Wrong Number of Payments

The Mistake: Using years instead of total months. A 30-year mortgage has 360 monthly payments, not 30. Real Example: 30-year mortgage: Using n=30 instead of n=360 gives payment of ~$11,000/month instead of ~$1,800/month. Off by 500%!. Fix: Always multiply years by 12 to get total monthly payment periods. n = Years × 12.

3. Not Including Closing Costs and Fees in Loan Amount

The Mistake: Using only the home/car price as principal, forgetting origination fees, appraisal costs, title insurance, legal fees, etc. Real Example: $300K mortgage with 3% closing costs = $9,000 in fees. If you don't include this in the loan, you underestimate actual monthly payment by ~$50. Fix: Include all upfront fees and costs in the principal. Ask lenders for total loan amount after all costs.

4. Confusing Different Interest Rate Types

The Mistake: Using quoted monthly rate as if it were annual, or mixing APR (annual percentage rate) with other rate definitions. Different lenders quote different rates. Real Example: If lender quotes 0.5% monthly, that's 6% APR. Using 0.5% as annual rate (underestimating by factor of 12) results in huge PMT underestimation. Fix: Always ask: "Is this APR (annual) or monthly rate?" Verify with loan documents. Use APR in this calculator.

5. Ignoring Taxes, Insurance, and Other Costs

The Mistake: PMT only calculates the principal + interest payment. Mortgages also require property taxes, insurance, PMI, HOA fees. Car loans don't include insurance. Real Example: $300K mortgage payment is $1,800 PMT, but real monthly cost is $2,500+ after taxes, insurance, PMI. Underestimating affordability by ~$700/month!. Fix: PMT is only the loan payment. Add estimated taxes, insurance, and fees to get total monthly housing/debt cost. Most lenders provide estimates.

6. Not Comparing Different Loan Terms Before Deciding

The Mistake: Accepting the first loan offer without calculating PMT for different terms (15 vs 30 year, different rates, different down payments). Real Example: Taking a 30-year mortgage at 6% without comparing 15-year at 5.8% could cost $100K+ more in interest. Fix: Calculate multiple scenarios: different down payments, rates, and terms. Spend 10 minutes comparing to save tens of thousands.

7. Overestimating How Much Extra Payment Helps

The Mistake: Paying $100/month extra sounds significant, but over 30 years may only save $30K in interest without dramatically shortening the loan. Real Example: $300K mortgage: Extra $100/month saves ~$32K total interest but only reduces term by ~3 years (27 yrs instead of 30). Fix: Extra payments help, but more impactful is choosing shorter term upfront or getting better rates. Compare strategies before committing.

8. Forgetting to Account for Variable/Adjustable Rates

The Mistake: This calculator assumes fixed rates. ARMs (Adjustable Rate Mortgages) start low but increase after intro period, significantly raising PMT later. Real Example: ARM starts at 3% ($1,265/mo) but resets to 7% after 5 years ($1,996/mo). Budget for worst-case rate, not intro rate. Fix: Use this calculator for fixed-rate scenarios. For ARMs, calculate PMT at the maximum expected rate after reset period.

Decision Checklist: Before Accepting a Loan

Have I calculated PMT using annual APR (not monthly rate)? Have I used correct number of payments (years × 12)? Have I included all closing costs and fees in principal? Have I added taxes, insurance, and other costs to monthly budget? Have I compared multiple loan offers (different rates/terms)? Is the total monthly payment <28% of gross income (affordability)? Have I verified if it's fixed-rate or ARM? (If ARM, tested worst-case rate) Have I reviewed the loan documents to confirm all terms match calculator inputs?.

Understanding PMT (Payment

PMT is a financial function that calculates the periodic payment required to repay a loan based on constant payments and a constant interest rate. The PMT formula answers the fundamental question: "How much will I pay each month for my loan?" Whether you're taking out a mortgage, car loan, personal loan, or any installment debt, the PMT calculator helps you understand your payment obligations and plan your finances accordingly. PMT is essential for borrowers, lenders, financial planners, and anyone evaluating loan options.

Why PMT Calculation Matters for Your Finances

1. Affordability Assessment Determine if you can afford the monthly payment before committing to a loan. Know exactly what your budget needs to support. 2. Loan Comparison Compare different loan offers by calculating PMT for each scenario. See how different rates and terms affect your monthly payment. 3. Total Cost Analysis Understand total interest paid over the loan lifetime. See how term length and rates impact overall borrowing costs. 4. Financial Planning Plan long-term finances by knowing exact monthly obligations. Allocate budgets for mortgages, car loans, and personal loans. 5. Investment Decisions Compare borrowing costs with investment returns. Decide between paying down debt vs. investing for growth.

Real-World Applications of PMT Calculation

• Mortgage Planning: Calculate monthly payments for home purchases ranging from $200K to $1M+ at various interest rates. • Auto Loans: Determine car payment for 3, 5, 7, or 10-year loan terms at dealer or market interest rates. • Personal Loans: Understand monthly obligations for debt consolidation, home improvement, or education loans. • Student Loans: Calculate repayment amounts after graduation based on loan balance and interest rates. • Business Loans: Plan equipment financing, working capital loans, and business expansion financing. • Lease Analysis: Compare purchasing vs. leasing by analyzing PMT of purchase loans vs. monthly lease payments. The Bottom Line: PMT calculation is the foundation of loan planning. Before signing any loan agreement, use this calculator to verify monthly payments align with your budget and understand the total cost of borrowing. A few minutes calculating PMT can save thousands in poor financial decisions.

Example 1: Home Mortgage Loan

Scenario: You're purchasing a home for $450,000. After a 15% down payment ($67,500), you need to borrow $382,500. Your bank offers a 30-year mortgage at 5.5% APR. Principal: $382,500. Rate: 5.5% APR. Term: 30 years (360 payments). Calculation & Result: Monthly Payment (PMT). $2,169.82. Total Interest: $399,175 over 30 years. Total Paid: $781,675 (principal + interest). Decision: Budget needs $2,170/month. At 5.5%, this mortgage is within industry standards (30-year fixed).

Example 2: Auto Loan - Car Purchase

Scenario: You want to buy a $35,000 car. You have $7,000 saved, so you need a loan for $28,000. Your credit union offers 6.5% APR for 60 months (5-year term). Principal: $28,000. Rate: 6.5% APR. Term: 5 years (60 payments). Calculation & Result: Monthly Payment (PMT). $547.06. Total Interest: $4,824 over 5 years. Total Paid: $32,824 (principal + interest). Decision: You can afford $547/month. Compare with 7-year term option below for lower monthly payment.

Example 3: Personal Loan - Debt Consolidation

Scenario: You have $15,000 in credit card debt spread across 3 cards at 18% APR. A bank offers a consolidation personal loan at 9.5% APR for 4 years to pay it off faster. Principal: $15,000. Rate: 9.5% APR. Term: 4 years (48 payments). Calculation & Result: Monthly Payment (PMT). $372.78. Total Interest: $2,893 (4-year consolidation loan). vs Credit Cards: ~$8,000+ (depending on minimum payments). Decision: Consolidation saves $5,000+ in interest. Monthly payment of $373 is manageable.

Example 4: Student Loan - Education Financing

Scenario: You've graduated with $45,000 in federal student loan debt. Interest rate is 5% fixed. You want to repay over the standard 10-year period with monthly payments. Principal: $45,000. Rate: 5.0% APR. Term: 10 years (120 payments). Calculation & Result: Monthly Payment (PMT). $477.18. Total Interest: $12,262 over 10 years. Total Paid: $57,262 (principal + interest). Decision: Standard 10-year repayment vs. 20-year = lower payment ($283) but more interest ($28K). 10-year is more cost-effective.

Key Takeaways from Examples

• Rate matters: 1% difference on a $300K mortgage = $200+/month difference in payment. • Term length tradeoff: Longer terms = lower monthly payment but significantly more total interest. • Debt consolidation benefit: Lower rates can save thousands vs. high-interest credit cards or existing debt. • Down payment impact: Larger down payment = smaller loan = lower monthly payment and total interest. • Comparison shopping: 0.5% rate difference can save tens of thousands over loan lifetime.

PMT Formula Explained

PMT = P × [r(1 + r)^n] / [(1 + r)^n - 1]. Monthly Payment = Principal × [Monthly Rate × (1 + Monthly Rate)^Periods] / [(1 + Monthly Rate)^Periods - 1]. Variable Definitions: PMT = Monthly Payment. The fixed amount you pay each month (what we're calculating). P = Principal. The original loan amount borrowed. r = Monthly Interest Rate (decimal). Annual rate ÷ 100 ÷ 12. Example: 6% annual = 0.06 ÷ 12 = 0.005 monthly. n = Total Number of Payments. Years × 12. Example: 30-year mortgage = 360 monthly payments.

Step-by-Step PMT Calculation

Calculate monthly payment for $300,000 mortgage at 5% APR for 30 years:. Step 1: Identify values. P = $300,000, Annual Rate = 5%, Years = 30. Step 2: Calculate monthly rate (r). r = 5% ÷ 100 ÷ 12 = 0.00417 (monthly decimal). Step 3: Calculate number of payments (n). n = 30 × 12 = 360 payments. Step 4: Calculate (1 + r)^n. (1 + 0.00417)^360 = 5.7546. Step 5: Apply PMT formula. PMT = $300,000 × [0.00417 × 5.7546] / [5.7546 - 1]. PMT = $300,000 × [0.02402] / [4.7546]. PMT = $1,610.46.

How Interest Rates Affect Monthly Payments

See how different APR rates impact PMT on a $300,000 30-year mortgage:. Interest Rate Monthly Payment Total Interest (30 yrs) Total Paid. 3.0% $1,264.81 $155,328 $455,328. 4.0% $1,432.25 $215,610 $515,610. 5.0% $1,610.46 $279,751 $579,751. 6.0% $1,798.65 $347,755 $647,755. 7.0% $1,996.18 $418,649 $718,649. Observation: A 1% rate increase raises monthly payment by ~$187-200, and adds ~$67,000 in total interest over 30 years. Shopping for better rates saves significant money!.

Loan Term Impact on Monthly Payments

Compare different terms on a $300,000 loan at 5.5% APR:. Loan Term Monthly Payment Total Payments Total Interest. 10 years $5,980 $717,600 $417,600. 15 years $3,976 $715,680 $215,680. 20 years $3,150 $756,000 $456,000. 30 years $2,170 $781,200 $481,200. Tradeoff: 15-year saves $265K vs 30-year but costs $1,806 more per month. Choose based on cash flow ability and long-term financial goals.

6 Core PMT Principles

1. Linear with Principal. Double the loan amount = double the monthly payment (at same rate/term). 2. Inverse with Term Length. Longer term = lower monthly payment, but more total interest paid. 3. Sensitive to Interest Rate. Small rate changes create large payment and interest differences (1% ≈ $200/mo). 4. Fixed Payment Amount. PMT is the same every month (with fixed-rate loans). Early payments are mostly interest, later payments mostly principal. 5. Compounding Effect. Interest compounds monthly. Daily compounding can reduce PMT slightly but is rare in consumer loans. 6. Early Prepayment Benefit. Extra principal payments dramatically reduce total interest and loan term. $500 extra/month saves decades on mortgages.

Step-by-Step Guide

1. Enter Loan Principal Amount Input the total amount borrowed (loan amount). This is the principal that will be repaid over time. Examples: $300,000 (mortgage), $25,000 (car loan), $10,000 (personal loan), $50,000 (student loan), $500,000 (business equipment financing). Tip: Use the exact loan amount after down payments. For a $400K home with 20% down, enter $320K principal. 2. Specify Annual Interest Rate (%) Enter the annual interest rate (APR) offered on the loan. This is the annual percentage cost of borrowing. Common rates: 3-5% (mortgages), 4-7% (auto loans), 5-12% (personal loans), 3-5% (student loans in US), 7-15% (business loans). Where to find APR: Check your loan offer, credit union rates, bank quotes, or mortgage estimates. Shop rates from multiple lenders to get the best offer. 3. Set Loan Term (Years) Enter the loan repayment period in years. Shorter terms = higher monthly payment but less total interest. Longer terms = lower monthly payment but more total interest. Common terms: 15-30 years (mortgages), 3-7 years (auto), 2-5 years (personal loans), 10 years (student loans), 5-20 years (business). Strategy: Shorten term if you can afford higher monthly payments to save on interest. Extend term if you need lower monthly payments for cash flow. 4. Review Monthly Payment Result The calculator instantly displays your monthly PMT payment. This is the fixed amount you'll pay each month for the loan term. The result also shows total interest paid (principal × years × 12 - principal) and total amount paid (monthly payment × number of months). Interpretation: If monthly payment exceeds 28% of gross monthly income, the loan may be unaffordable. Compare payment to your budget before proceeding. 5. Test Scenarios & Make Decision Adjust the inputs to see how different rates and terms affect your payment. Test multiple scenarios: What if I get a better rate? What if I shorten the term? What if I increase down payment? This helps you evaluate offers and find the best loan option. Advanced: Compare monthly payment vs. total interest paid to balance affordability with long-term cost efficiency.

Real-World Example: $300K Mortgage for 30 Years

You're buying a $400,000 home with 25% down ($100K). You need to borrow $300,000. The mortgage lender offers 6% interest for 30 years. What's your monthly payment?. Principal. $300,000. Interest Rate. 6%. Loan Term. 30 years. Monthly Payment (PMT). $1,799.37. Total Interest Paid: $347,757.60 (360 payments). Total Amount Paid: $647,757.60. Key Insight: Over 30 years, you pay $347,757 in interest—equivalent to the entire down payment. If you could afford to shorten the term or make extra payments, substantial interest savings are possible. Alternative Scenario: 15-year mortgage at 6%: PMT ≈ $2,699/month, but total interest ≈ $185,361 (saves $162K vs 30-year).

Formula & methodology

Formula used

Periodic rate and period count

r = annual rate ÷ 100 ÷ m;  n = m × years

The annual rate is split across the m compounding periods per year, and the term is expressed in those same periods.

Payment (PMT)

PMT = PV × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

The level payment that fully amortises the present value over n periods. At a zero rate this becomes PV ÷ n.

Total interest

total interest = (PMT × n) − PV

The sum of all payments less the original balance.

Variable definitions

Symbol	Meaning	Unit
PV	Loan amount (present value). the balance being repaid	currency
r	Rate per period. the annual rate divided by the number of periods per year	decimal
n	Number of periods. periods per year multiplied by the number of years	count
m	Periods per year. 12 for monthly, 4 for quarterly, 1 for annual	count

Step-by-step calculation

1. Enter the amount, annual rate and term in years
The rate entered is the nominal annual rate.
2. Choose the number of periods per year
This sets both the payment frequency and how the rate is divided.

Limitations

Assumes a fixed rate and a payment at the end of each period (an ordinary annuity). Payments made at the start of each period would be slightly smaller.
Fees, insurance and taxes are excluded, so this is the pure principal-and-interest payment.

How the PMT Formula Works

Calculator inputs

Loan Details

Your results

Sources & methodology

Formula & methodology

Formula used

Periodic rate and period count

Payment (PMT)

Total interest

Variable definitions

Step-by-step calculation

Limitations

Sources & references

What does PMT mean in loan calculations?

How do I calculate my monthly loan payment?

What's the difference between PMT and EMI?

What's the total interest I'll pay over the loan term?

What's this calculator best used for, and what does it not include?

Related calculators

More everyday calculators

Calculator inputs

Loan Details

Your results

Sources & methodology

How to Use This Calculator

Example: $100,000 at 5% for 30 Years

Understanding Your Results

Key Tips

How the PMT Formula Works

The PMT Formula Explained

Why Longer Terms Cost So Much More

PMT vs EMI

1. Forgetting to Convert Annual Rate to Monthly

2. Using Wrong Number of Payments

3. Not Including Closing Costs and Fees in Loan Amount

4. Confusing Different Interest Rate Types

5. Ignoring Taxes, Insurance, and Other Costs

6. Not Comparing Different Loan Terms Before Deciding

7. Overestimating How Much Extra Payment Helps

8. Forgetting to Account for Variable/Adjustable Rates

Decision Checklist: Before Accepting a Loan

Understanding PMT (Payment

Why PMT Calculation Matters for Your Finances

Real-World Applications of PMT Calculation

Example 1: Home Mortgage Loan

Example 2: Auto Loan - Car Purchase

Example 3: Personal Loan - Debt Consolidation

Example 4: Student Loan - Education Financing

Key Takeaways from Examples

PMT Formula Explained

Step-by-Step PMT Calculation

How Interest Rates Affect Monthly Payments

Loan Term Impact on Monthly Payments

6 Core PMT Principles

Step-by-Step Guide

Real-World Example: $300K Mortgage for 30 Years

Formula & methodology

Formula used

Periodic rate and period count

Payment (PMT)

Total interest

Variable definitions

Step-by-step calculation

Limitations

Sources & references

How to Use This Calculator

Example: $100,000 at 5% for 30 Years

Understanding Your Results

Key Tips

How the PMT Formula Works

The PMT Formula Explained

Why Longer Terms Cost So Much More

PMT vs EMI

1. Forgetting to Convert Annual Rate to Monthly

2. Using Wrong Number of Payments

3. Not Including Closing Costs and Fees in Loan Amount

4. Confusing Different Interest Rate Types

5. Ignoring Taxes, Insurance, and Other Costs

6. Not Comparing Different Loan Terms Before Deciding

7. Overestimating How Much Extra Payment Helps