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FINANCE / MONEY PLANNING

Roth IRA Contribution Calculator

Estimate the future value of recurring retirement contributions at a constant return.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

Filter by unit name, symbol, or code. Your current selections remain available.

Preparing the calculator...

Use boundary

Calculation path

Enter the values shown. Nirmion calculates locally in your browser and explains the formula and assumptions beside the result.

Calculation path

Future value = starting amount compounded monthly + recurring contributions compounded monthly.

What you provide

What you provide

  • Starting balance: Current retirement balance.
  • Annual return: Illustrative annual return.
  • Investment period: Years of contributions.

What you receive

What you receive

  • A primary estimate
  • Supporting planning metrics
  • The formula and limitations used

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

Planning estimate only. Confirm current rates, local rules, fees, and professional guidance before making a financial decision.