Career & Money

Investment Calculator

See what a starting amount plus regular monthly contributions could grow to at a steady expected return, how much of it you put in, and the value at the end of every year.

By Aditya Kr Sharma Formula checked

  • Free
  • Instant
  • No sign-up

How to use this calculator

  1. Pick what to find Choose a mode, or start with the first box.
  2. Enter your numbers Type your values into the boxes.
  3. Read the result See the answer and the working, then copy or share it.

Investment calculator

An assumption, not a promise.

Increase contributions each year

For example 5 to raise the monthly amount by 5% each year.

Enter your amounts, return and years, then press Calculate.

How to use the investment calculator

  1. Enter your starting amount and monthly contribution.
  2. Enter the expected yearly return and the number of years.
  3. Optionally raise the contribution each year.
  4. Press Calculate.

Frequently asked questions

How is the future value calculated?

Each month the balance grows by the annual rate ÷ 12 and the contribution is added. The table shows the balance at the end of each year.

What does $500 a month become in 10 years?

With $10,000 to start and 7% a year: about $106,639, of which $70,000 is what you put in.

What return should I use?

Use a cautious long-run figure for the kind of investment. Try two or three rates to see the range.

About these results

Returns are not guaranteed; the result assumes the same return every month. Tax, fees and inflation are not included.

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