How to Calculate Roth IRA
Project your Roth IRA balance at retirement — your contributions versus tax-free earnings.
The Formula
PMT * (((1 + r)^n - 1) / r)The roth ira formula uses the mathematical relationship: PMT * (((1 + r)^n - 1) / r). Each variable in the formula represents a measurable quantity that affects the final result.
Step-by-Step Method
- 1Identify all input values needed for the roth ira calculation.
- 2Substitute your known values into the formula: PMT * (((1 + r)^n - 1) / r).
- 3Perform the arithmetic operations in the correct order (PEMDAS/BODMAS).
- 4Check that your result has the correct units and is within a reasonable range.
- 5Verify using the interactive Roth IRA Calculator to confirm your answer.
Related Topics
Roth IRAIRAretirementtax-free growthcontribution limits
Use the Interactive Calculator
Skip the manual math — get instant results with our free Roth IRA calculator.