Compound Interest Calculator

Part of Finance Tools

Project future investment growth by factoring in regular contributions, compounding frequencies, and interest rates.

Compound Interest Optimizer

Calculation Formula Rules

A = P(1 + r/n)^(nt) + PMT * [((1 + r/n)^(nt) - 1) / (r/n)] (with regular contributions)

How to Use Compound Interest Calculator

  1. Enter your starting principal balance.
  2. Define monthly/annual additions.
  3. Input target interest rates and investment length.
  4. Set the compounding frequency (daily, monthly, quarterly, or annually).
  5. Review the growth chart showing cumulative interest versus core cash deposits.