What is compound interest?

Compound interest is interest earned on both the principal and on previously accumulated interest, creating exponential growth.

What is the Rule of 72?

Divide 72 by the interest rate to estimate how long it takes to double your money. At 6%, money doubles in ~12 years.

Roi Calculator Chart on CalcAll — free educational content with detailed examples.

What is compound interest?: Compound interest is interest earned on both the principal and on previously accumulated interest, creating exponential growth.
What is the Rule of 72?: Divide 72 by the interest rate to estimate how long it takes to double your money. At 6%, money doubles in ~12 years.