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Money & finance

Savings calculator

Calculate savings growth with monthly contributions.

Your result

Complete the fields and calculate.

Calculation method and formula

r = Annual return [%] ÷ 1200; n = round(Years × 12); Starting capital × (1 + r)^n + Monthly contribution × ((1 + r)^n − 1) ÷ r

Understand the inputs

Starting capital
Use a measured value or your own assumption.
Monthly contribution
Use a measured value or your own assumption.
Annual return
Unit: %. Use a measured value or your own assumption.
Years
Minimum 1. Use a measured value or your own assumption.

Assumptions and limitations

Compounding is monthly, with contributions at month-end. The annual rate is divided by twelve. Taxes, fees, inflation and fluctuating returns are not part of the model.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Starting capital
1000
Monthly contribution
200
Annual return
6 %
Years
10
Example result34,595.27

Monthly compounding assumed; fees and taxes are not included.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Savings calculator work?+

r = Annual return [%] ÷ 1200; n = round(Years × 12); Starting capital × (1 + r)^n + Monthly contribution × ((1 + r)^n − 1) ÷ r. Compounding is monthly, with contributions at month-end. The annual rate is divided by twelve. Taxes, fees, inflation and fluctuating returns are not part of the model.

What assumptions should I consider for this result?+

Compounding is monthly, with contributions at month-end. The annual rate is divided by twelve. Taxes, fees, inflation and fluctuating returns are not part of the model. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

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