Compound Interest Calculator
Estimate savings growth with compound interest.
Future Value (Nominal)
—
—
Future Value (Real)
—
Adjusted for inflation
Total Contributed
—
—
Mini chart: Nominal (solid) vs Real (dashed).
Show yearly schedule
| Year | End Balance (Nominal) | End Balance (Real) | Interest Earned | Contrib This Year | Total Contrib |
|---|
Help & FAQ — Compound Interest Calculator
How to use
- Enter the initial amount, contribution schedule, and interest rate.
- Choose compounding frequency and duration.
- Review growth charts and tables for future value and total interest.
Use cases
- Project savings growth over several years.
- Compare different contribution scenarios.
Tips & FAQs
- Can I model withdrawals?
- This tool models non-negative contributions. Negative contribution amounts are treated as zero.
- Does it include taxes or fees?
- The projection uses your interest, contribution and inflation settings. It does not calculate taxes or fees.
Formats & limits
- Choose APR or APY and yearly, quarterly, monthly, weekly or daily compounding
- Contribution amounts are non-negative; timing can be at the start or end of a period
- Inputs are saved in this browser; projections are estimates
Privacy
Calculations run in your browser. Inputs are saved in local storage; Copy summary and Export CSV let you keep the results.
Related tools
Updated
15 October 2025