All calculators
Compound Interest & Savings Goal
See how your savings grow with monthly contributions and compound interest.
Enter your savings details to see how your money grows over time.
Formula
A = P × (1 + r/n)^(n·t), where n is the compounds per year and t the years
How to calculate
- 1Divide the annual rate by the compounding frequency (r/n).
- 2Multiply the frequency by the years (n·t).
- 3Raise (1 + r/n) to that power and multiply by the principal.
- 4Subtract the principal from the result to isolate the interest earned.
How to use this calculator
- 1Enter your starting amount and monthly contribution.
- 2Set the annual return rate and the number of years.
- 3Choose how often interest compounds.
- 4Watch the projected balance and a growth chart update instantly.
Examples
Monthly saving
$200/month at 7% for 30 years → ≈ $244,000 from $72,000 of contributions.
One-time deposit
$10,000 at 5% compounded monthly for 20 years → ≈ $27,126, with the growth accelerating in the later years.
Common questions
You might also like
Related guides
Explore by category
Recommended Tools
No recommended tools yet — add affiliate picks from the Settings panel.
