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Savings Goal Calculator

Enter your goal and what you have saved so far. Then either see how long your monthly saving takes to get there, or the monthly amount needed to reach it by a target month. Add an estimated annual return if you like. Calculated locally in your browser — an educational estimate only.

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1. Your goal

Monthly compounding
What do you want to estimate?
Assumptions
  • Contributions are made at the end of each month, starting with the end of the starting month.
  • Any estimated annual return is divided by 12 and compounded monthly on the balance at the start of each month.
  • No taxes, fees, inflation or withdrawals are included.

2. Estimate

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Enter your goal and savings, then press Calculate.
Educational estimate only — not financial advice. Returns are not certain and can be negative.
About this tool

About Savings Goal Calculator

Savings Goal Calculator estimates how long it would take to reach a savings goal with a monthly contribution, or how much you would need to save each month to reach it by a target month. It supports an optional estimated annual return compounded monthly, including 0%, and shows a yearly progress table. Educational estimate only — not financial advice.

Turning a goal into a time frame or a monthly amount makes it easier to plan. Seeing the assumptions and a year-by-year table shows how contributions and growth add up.

How to use

Step by step

  1. Choose whether to find the time to reach the goal or the monthly amount needed.
  2. Enter the goal amount and your current savings.
  3. Enter the monthly contribution, or choose a target month.
  4. Optionally enter an estimated annual return and choose a starting month.
  5. Press Calculate, then review the table and copy or download the summary.
Key features

What it offers

  • Two modes: time to goal and monthly contribution needed
  • Optional estimated annual return compounded monthly, including 0%
  • Estimated month the goal is reached
  • Yearly progress table with balance, contributions and growth
  • Clear message when a goal cannot be reached with the inputs given
  • Summary includes inputs, assumptions, results and disclaimer
Best practices

Tips for best results

  • Use a cautious return estimate, or 0%, for short-term goals.
  • Remember returns are not certain and can be negative in practice.
  • Recalculate when your savings, contribution or goal changes.
  • Allow for taxes, fees and inflation, which are not included.
Benefits

Why people use it

Two questions answered

How long, or how much per month.

Clear assumptions

Contribution timing and compounding stated.

Year by year

Progress table to follow along.

Private

Calculated in your browser.

FAQ

Common questions

At the end of each month, starting with the end of the starting month. Any growth for the month is added first, based on the balance at the start of that month, and then the contribution is added.
The annual rate you enter is divided by 12 and applied once a month (monthly compounding). For example, 6% a year becomes 0.5% a month. Leave it blank or enter 0 for no growth.
With a return, the calculator uses the future-value formula for a series of end-of-month payments: monthly amount = (goal − current savings × (1 + i)^n) × i ÷ ((1 + i)^n − 1), where i is the monthly rate and n the number of months. With 0% it is simply (goal − current savings) ÷ n. The result is rounded up to the next cent.
If you save nothing each month and there is no growth — or there is nothing saved yet to grow — the balance never increases, so the goal is never reached. The same applies if reaching it would take more than 100 years.
The estimated balance at the end of each year of the plan (and at the final month), with the total you contributed and the estimated growth up to that point.
No. Real returns vary from year to year and can be negative. The estimated return is an assumption you choose, used only to illustrate how growth could affect the timeline.
As a starting point for your own understanding. Educational estimate only — not financial advice. It does not include taxes, fees or inflation.

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Private by design

This runs entirely in your browser

No file or text you enter here is uploaded. Encoding and decoding happen on your device using native browser APIs — close the tab and nothing remains on a server.

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