Doubling Time Calculator

Calculate how long it will take for an amount to double at a given growth rate.

Understanding Doubling Time

What is Doubling Time?

Doubling time is the period required for a quantity to double in size or value at a constant growth rate. This concept is crucial in finance, biology, and population studies.

The Rule of 72

A quick way to estimate doubling time is using the Rule of 72: simply divide 72 by the growth rate percentage. For example, at 6% growth, money doubles in approximately 72/6 = 12 years.

Common Applications

Doubling time calculations are used in: • Investment planning • Population growth analysis • Compound interest calculations • Business growth projections