Calculate compound interest growth over time based on rate, contributions, and frequency.

Compute simple interest based on principal, rate, and time.

Estimate your 401(k) balance at retirement based on contributions, employer match, and investment growth.

Project your Roth IRA balance at retirement based on contributions, annual return, and optional contribution increases.

Estimate annual and monthly withdrawals, total income drawn, and projected portfolio longevity based on your balance and withdrawal rate.

Calculate NPV for any project or investment by discounting up to 10 years of cash flows at your required rate of return.