What is compound interest?

Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods.

How often should I compound?

More frequent compounding (daily or monthly) yields slightly more than annual compounding. The difference grows larger over time.

What is compound interest?

Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods.

How often should I compound?

More frequent compounding (daily or monthly) yields slightly more than annual compounding. The difference grows larger over time.

Compound Interest Calculator

Auto

Principal

Annual Interest Rate

Compounding Periods per Year

12 = monthly · 4 = quarterly · 1 = annually

Time

years

Result

Output will appear here…

About

Calculate compound interest on an investment or savings account. Enter your principal, annual rate, compounding frequency, and time period to see the final amount and interest earned.

Frequently Asked Questions

Compound Interest Calculator

Auto

Principal

Annual Interest Rate

Compounding Periods per Year

12 = monthly · 4 = quarterly · 1 = annually

Time

years

Result

Output will appear here…

About

Calculate compound interest on an investment or savings account. Enter your principal, annual rate, compounding frequency, and time period to see the final amount and interest earned.

Frequently Asked Questions