Savings Goal Calculator

Find how long it takes to reach a savings goal with monthly contributions.

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How it works

The tool projects your savings forward month by month. Starting from your current balance, each month it adds interest at the monthly rate (annual rate ÷ 12) and your fixed contribution, until the balance reaches your goal. It then reports how many months and years that takes, plus the total you will have contributed versus earned in interest. Compounding monthly makes the estimate realistic for a typical savings account. Currency formatting is configurable and all math runs locally.


              balance = balance × (1 + r/12) + contribution
// repeat until balance ≥ goal

Common use cases

  • Estimating how long until you save a house deposit.
  • Seeing how a higher monthly contribution speeds up a goal.
  • Planning an emergency fund timeline with interest included.

Frequently asked questions

Does it include interest on my savings?

Yes. Each month interest is applied at your annual rate divided by twelve, then your contribution is added, so the projection compounds monthly like a real savings account.

What if I enter a 0% interest rate?

That is fine. With no interest the tool simply divides the remaining amount by your monthly contribution, which is useful for a plain savings plan.

Is my information saved?

No. Everything is calculated in your browser and nothing is uploaded or stored.