Annuity Calculator - Future Value of Payments
Find the periodic payment a principal can sustain.
£0.00
£0.00
0.00%
Practical Example
Formula: PMT = P × r / (1 − (1 + r)^−n) where P = principal, r = rate per period, n = periods. Example: $500,000 at 4% for 20 years ≈ $36,800/year.
Frequently Asked Questions
What is an annuity payment?
An annuity payment is a fixed amount paid at regular intervals (monthly, yearly) from a lump sum that earns interest over the payout period.
What's the difference between ordinary annuity and annuity due?
Ordinary annuities pay at the end of each period; annuities due pay at the beginning, which slightly increases their present and future value.
Are these projections guaranteed?
No — actual returns depend on the interest rate, fees, and provider; this is an estimate and does not include taxes.
How do interest rates affect my monthly payment?
Interest rates have a major impact on monthly payments. Even a 0.5% difference in APR can change your payment by $50-$200 per month on a typical loan. Use this calculator to compare different rate scenarios side by side.
Should I choose a fixed or variable rate?
Fixed rates give you predictable payments for the life of the loan, while variable rates start lower but can rise over time. Fixed is usually safer for long-term loans (mortgages, auto); variable can make sense for short-term borrowing when you expect rates to fall.
Disclaimer: This calculator provides estimates for informational purposes only. Actual results may vary. Consult a qualified professional for personalized advice.