Annuity Payment

Annuity Payment Calculator

Input Fields

Loan amount

P

$

Enter the initial loan amount or principal

Annual interest rate

r

%

Enter the annual interest rate

Loan term (years)

n

years

Enter the number of years for the loan

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Annuity Payment

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Annuity Payment Formula

$$PMT = \frac{P \times r}{1 – (1 + r)^{-n}}$$

Where:

• $$PMT$$ = Annuity payment (periodic payment)
• $$P$$ = Principal amount (initial loan or investment)
• $$r$$ = Interest rate per period (as decimal)
• $$n$$ = Total number of payment periods

The Annuity Payment calculator is useful for financial planning, helping you determine how much you need to pay or save periodically to meet a loan repayment schedule or a future financial goal. It assumes a fixed interest rate and equal payment intervals.