Free personal finance tool

ROI Calculator

Calculate total and annualized return from investment value, income, fees and time.

Enter your assumptions

Result

Enter values and select Calculate.

Educational estimate using fixed rates and monthly timing. Actual taxes, fees, daily interest, changing returns, inflation and product terms may differ.

Calculation method

ROI = net gain ÷ initial investment; annualized return uses the geometric yearly rate.

Important limitations

Educational estimate using fixed rates and monthly timing. Actual taxes, fees, daily interest, changing returns, inflation and product terms may differ.

Official references

Transparency

Sources & methodology

Calculation method
ROI = net gain ÷ initial investment; annualized return uses the geometric yearly rate.
Evidence basis
Transparent arithmetic using values entered by the user.
Applies to
No statutory reference year. Results use the values and assumptions entered now.
Last reviewed
Limitations
Educational estimate using fixed rates and monthly timing. Actual taxes, fees, daily interest, changing returns, inflation and product terms may differ.

Content basis and verification

· Calculations run in your browser. Check the formula and assumptions on this page, and confirm important financial, tax, medical or legal decisions against current official guidance.