How it works
Project a balance with a fixed nominal rate and regular compounding. No contributions, withdrawals, taxes or fees are included.
A = P(1+r/n)ⁿᵗ
Worked example
Show example inputs and result
Principal: 10,000 · Nominal annual rate: 8 · Compounds per year: 12 · Years: 10.
- Final balance
- 22,196.40234545
- Interest
- 12,196.40234545
Questions and answers
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Method reviewed: October 8, 2026 · Methods & accuracy