Finance Calculators

Payment Calculator

Use this payment calculator to compare payment, payoff, or borrowing scenarios for payment.

Primary answer
Monthly payment
Inputs to verify
Loan amount, Annual rate, and Loan term
Use type
Use as an estimate that depends on assumptions.
Keyword intent
payment calculator

Calculator

Payment Calculator

Calculates monthly payment from loan amount, annual rate, loan term. Defaults are filled in so you can review a working example before changing inputs.

USD

Principal balance to repay before taxes, fees, insurance, or escrow.

%

Use 6.25 for 6.25%. The calculator divides this by 12 for the monthly periodic rate.

months

Whole number of monthly end-of-period payments.

Result

Result reflects the current submitted inputs.

  • Risk B
  • Reviewed 2026-05-26
  • 3 sources
Monthly payment590 USD
Total payment28,319.78 USD
Total interest3,319.78 USD
Monthly periodic rate0.520833%

Breakdown

Monthly periodic rate
0.5208%
Number of payments
48
  • The loan is fully amortizing with fixed monthly payments.
  • Payments are due at the end of each monthly period.
  • Annual rate input is treated as a nominal annual APR/rate divided by 12.
  • Taxes, fees, insurance, escrow, reserve payments, late fees, prepayment penalties, and lender-specific first-payment timing are excluded.
  • This is an educational estimate, not financial advice, a lender quote, or a Truth in Lending disclosure.

Accuracy notes

Risk level
B
Reviewed
2026-05-26
Sources
3
Primary result
Monthly payment

Formula logic is kept in a pure calculator module with fixtures, source notes, and page-visible assumptions.

What the result means

Use Monthly payment as the headline answer for payment. Fixed monthly principal-and-interest payment. Read the payment or payoff number first, then compare interest, balance, and timing outputs before changing a loan decision. Use total payment, total interest, and monthly periodic rate to explain why monthly payment moved when an input changed. Run at least one conservative and one optimistic scenario before comparing with a real quote or statement.

Monthly paymentFixed monthly principal-and-interest payment.
Total paymentUnrounded monthly payment multiplied by the number of payments.
Total interestTotal payment minus the loan amount.
Monthly periodic rateAnnual rate divided by 12 after converting percent to decimal.

Use the result this way

  1. Start with Monthly payment, then use supporting outputs only to explain the primary answer.
  2. Verify loan amount, annual rate, and loan term before copying the result.
  3. Keep units consistent with the labels shown in the form, stay within the documented minimum and maximum ranges, and enter percentages as whole percents, such as 6.5 for 6.5%, unless a field says otherwise.
  4. Run at least one conservative and one optimistic scenario before comparing with a real quote or statement.

User job

How to use this calculator

Use Payment Calculator when you need monthly payment, then use total payment and total interest to check the context for planning conversations, quote comparisons, payment checks, and scenario review.

Best for

  • Comparing one financial scenario with another
  • Preparing questions for a lender, advisor, or statement review
  • Reviewing a default example before entering your own loan amount and annual rate.

Check before relying

  • Verify rates, fees, timing, taxes, and local rules against official documents before acting.
  • The loan is fully amortizing with fixed monthly payments.
  • Payments are due at the end of each monthly period.
  • Source context: Microsoft Support, reviewed 2026-05-26.

Next useful step

  • Auto Loan CalculatorUse next when the borrowing comparison needs auto loan inputs such as vehicle price and down payment.
  • Boat Loan CalculatorUse next when the borrowing comparison needs boat loan inputs such as boat price and down payment.
  • Mortgage Amortization CalculatorUse next when the borrowing comparison needs mortgage amortization inputs such as loan amount and annual interest rate.

Formula

Fixed monthly payment uses P * r * (1 + r)^n / ((1 + r)^n - 1), with r = annualRatePercent / 100 / 12 and a zero-rate straight-line repayment edge case. Key assumptions: The loan is fully amortizing with fixed monthly payments. Payments are due at the end of each monthly period. Annual rate input is treated as a nominal annual APR/rate divided by 12.

  • Fixed monthly payment uses P * r * (1 + r)^n / ((1 + r)^n - 1), with r = annualRatePercent / 100 / 12 and a zero-rate straight-line repayment edge case.
  • The loan is fully amortizing with fixed monthly payments.
  • Payments are due at the end of each monthly period.
  • Primary source context: Microsoft Support.

Inputs

Enter loan amount, annual rate, and loan term for planning conversations, scenario checks, and lender or statement comparison. Before calculating, keep units consistent with the labels shown in the form, stay within the documented minimum and maximum ranges, and enter percentages as whole percents, such as 6.5 for 6.5%, unless a field says otherwise. Loan amount: Principal balance to repay before taxes, fees, insurance, or escrow. Annual rate: Use 6.25 for 6.25%. The calculator divides this by 12 for the monthly periodic rate. Loan term: Whole number of monthly end-of-period payments.

Loan amountPrincipal balance to repay before taxes, fees, insurance, or escrow.
Annual rateUse 6.25 for 6.25%. The calculator divides this by 12 for the monthly periodic rate.
Loan termWhole number of monthly end-of-period payments.

Example

Using the default inputs, Payment Calculator returns monthly payment of 590 USD. Adjust loan amount, annual rate, and loan term to match your own scenario.

FAQ

How is monthly payment calculated here?

Fixed monthly payment uses P * r * (1 + r)^n / ((1 + r)^n - 1), with r = annualRatePercent / 100 / 12 and a zero-rate straight-line repayment edge case. The first assumption to check is: The loan is fully amortizing with fixed monthly payments.

What does Monthly payment mean for payment?

Read the payment or payoff number first, then compare interest, balance, and timing outputs before changing a loan decision. Secondary values such as total payment, total interest, and monthly periodic rate are there to explain the primary answer, not to replace it.

What should I enter for Loan amount?

Principal balance to repay before taxes, fees, insurance, or escrow. Use USD for this field. Keep units consistent with the labels shown in the form, stay within the documented minimum and maximum ranges, and enter percentages as whole percents, such as 6.5 for 6.5%, unless a field says otherwise.

How does Annual rate change monthly payment?

Use 6.25 for 6.25%. The calculator divides this by 12 for the monthly periodic rate. Changing it can alter monthly payment because the formula uses the submitted inputs together. Also compare APR period, compounding, fees, payment timing, taxes, insurance, and extra-payment assumptions.

Why does the payment example show 590 USD for monthly payment?

The default inputs produce 590 USD for monthly payment. Treat that as a format and scale check, then replace every default value with your own inputs.

What should I compare before using the payment payment result?

Compare the rate period, payment timing, fees, taxes, escrow items, payoff assumptions, and the actual quote or statement that governs the decision.

Sources

Last reviewed: 2026-05-26

  • Reviewed 2026-05-26
    PMT functionMicrosoft Support. Payment inputs, monthly rate consistency, end-of-period payment assumption, taxes/reserves/fees exclusion, total paid as payment multiplied by periods, and published PMT example.
    Scope
    Financial function documentation for fixed payments and constant interest rate loans.
    Supports
    Payment inputs, monthly rate consistency, end-of-period payment assumption, taxes/reserves/fees exclusion, total paid as payment multiplied by periods, and published PMT example.
  • Reviewed 2026-05-26
    Paying Off Your Loans: Loan AmortizationMississippi State University Extension Service. Fixed payment formula, periodic-rate interpretation, and explanation that payments split between interest and principal.
    Scope
    Educational finance reference for fixed-payment amortized loans.
    Supports
    Fixed payment formula, periodic-rate interpretation, and explanation that payments split between interest and principal.
  • Reviewed 2026-05-26
    What is the difference between a loan interest rate and the APR?Consumer Financial Protection Bureau. APR assumption notes, fee exclusion warning, and page-visible finance disclaimer.
    Scope
    Consumer finance guidance for APR versus interest rate.
    Supports
    APR assumption notes, fee exclusion warning, and page-visible finance disclaimer.

Disclaimer

This borrowing calculator is for educational payment and payoff estimates only. It is not a lender quote, credit approval, legal disclosure, tax advice, or a substitute for reviewing contracts, fees, escrow items, and local rules.