Compound Interest Calculator
Calculate compound interest growth on savings or investments.
- On your device
- No signup
Project savings growth with initial deposit and monthly contributions.
Private on your device
Your information stays on your device and is not uploaded.
Calculate compound interest growth on savings or investments.
Project investment growth from a lump sum and monthly contributions.
Project retirement savings growth over time.
Estimate returns from systematic investment plans.
See how inflation affects purchasing power over time.
Calculate simple or compound interest on a principal over time.
Estimate monthly EMI, total interest, and amount payable for a loan.
Estimate monthly mortgage payments with optional tax, insurance, and HOA (defaults to 30 years).
Enter an initial deposit, monthly contribution, annual interest rate, and years to estimate future balance, total deposits, and interest earned with monthly compounding.
Savings calculators motivate automatic transfers by making compound growth visible. Small contribution increases early matter more than late catch-up due to compounding time.
Bank savings APY differs from long-term investment return assumptions—match rate inputs to account type.
Inflation reduces real purchasing power; nominal ending balance is not future lifestyle dollars unless adjusted.
1. Enter starting balance (optional). 2. Enter monthly contribution amount. 3. Set annual interest rate and number of years. 4. Click Calculate savings. 5. Review future balance, total deposits, and interest earned.
Example: $1,000 starting balance with $200/month at 4% for 10 years grows to a future balance above $26,000 total contributions—exact interest depends on compounding in the calculator.
Projects future savings from an initial deposit, regular monthly contributions, annual interest rate, and number of years. Compounds monthly and shows total contributed versus estimated interest earned.
Results are estimates for educational purposes and are not financial advice. Assumed rates are not guaranteed. Consult a qualified financial professional for personal guidance.
Your data stays on your device and is not uploaded.
Future value compounds the initial deposit and each monthly contribution at the monthly rate derived from the annual percentage.
FAQ
Yes. It is free to use and you do not need to sign in or create an account.
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.
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