Math
Doubling Time Calculator
Time for a quantity to double at a constant percent growth rate.
Free to use — no sign-up or login.
Doubling time
periods
Amortization schedule
| # | Date | Payment | Principal | Extra | Interest | Balance |
|---|---|---|---|---|---|---|
This free Doubling Time Calculator covers Time for a quantity to double at a constant percent growth rate.
Constant growth doubles in ln(2) divided by ln(1 + r). Related math tools sit beside How it works, with no account required.
Using the Doubling Time Calculator
Time for a quantity to double at a constant percent growth rate. Typical inputs are Growth rate (%). How it works beside the form states the identity the Doubling Time Calculator applies.
FAQ
How do I use the Doubling Time Calculator?
Open the Doubling Time Calculator, fill Growth rate (%), and read the result. Constant growth doubles in ln(2) divided by ln(1 + r).
What formula does the Doubling Time Calculator use?
The Doubling Time Calculator uses the identity in How it works. In words: Constant growth doubles in ln(2) divided by ln(1 + r).