Doubling Time
MONEY & BUSINESS
Doubling Time
Find exact doubling time for constant annual compound growth.
UNDERSTAND YOUR RESULT
How it works
Find exact doubling time for constant annual compound growth.
THE CALCULATIONyears = ln(2) / ln(1 + annual growth/100)
Using this calculator
Enter annual growth (%). years = ln(2) / ln(1 + annual growth/100).
What to keep in mind
An arithmetic scenario using your own inputs. Use one currency throughout. No live rates, fees, legal tax rules or personal financial advice are included.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.