Regular Deposits Calculator
Compound Interest Calculator with Regular Deposits
See how regular saving or investing changes your final balance over time. Include deposit frequency, timing, annual increases, inflation and fees.
Outputs
Results
Enter your numbers and click calculate.
Year-by-year table
A yearly summary of balance, contributions and interest.
| Year | Deposits | Withdrawals | Interest | Tax / fees | End balance |
|---|
What if I start 5 years earlier?
Calculate to see the comparison.
Simple vs compound interest
Calculate to see the comparison.
Excel formula
Copy a formula based on your current inputs.
=FV(...)Growth chart
Visualise how your balance builds from the starting amount plus accrued interest.
Month-by-month table
Click a year to expand the monthly breakdown.
Guide
How this calculator works
This version is set up for regular contributions. Add your starting amount, the amount you plan to deposit, and whether deposits happen weekly, monthly or annually. The calculator shows how much of the final value came from your own contributions and how much came from compound growth.
You can still change every input: currency, interest rate, years and months, compounding frequency, contribution timing, inflation and tax or fees. Use the share URL button to save a pre-filled version of the result.
FAQ