Doubling Time Calculator

Time to double at a growth rate.

Periods to double 10.245

Step-by-step with your numbers:

1. Values used:

2. Growth rate = 7 %

3. Periods to double = 10.245

Did we solve your problem today?

Doubling time = ln(2) ÷ ln(1 + rate).

FAQ

Rule of 72?

72 ÷ rate is a quick approximation.