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Doubling Time Calculator
Increase
Result
Doubling Time Calculator Description
The formula for calculating Doubling Time is
The formula for calculating Fraction To Percentages is
Doubling Time =
log(2)
/
log(1+increase)
Example of Calculations:
Example
Increase: 3%
Results=
log(2)
/
log(1+3%)
= 23.44977 periods
Doubling Time Calculator Explanation
Explanation
A straightforward tool that determines how long it will take for a quantity to double given a
constant growth rate is the doubling time calculator, often known as the doubling period calculator.
It is a unit of exponential growth since it quantifies how quickly something increases. Its opposite
is the half life, a unit that is used to measure exponential decay. Radioactive decay is described
by the term "halflife," which indicates how long it takes for something to decay to half its
original value.
The term "doubling time" refers to the amount of time required for a quantity to double in value. An
amount must increase by a specific amount over time in order to double at some point. A growth rate
is used to describe this rise. If this rise remains consistent over all time periods, the growth
rate is said to be constant.
Doubling Time Calculation Formula
Doubling Time =
log(2)
/
log(1+increase)
Manual Calculations
Suppose we have an increase value "4" which is actually the constant growth that is expressed as
a
percentage value.
Now take log of 2 which means log(2) = 0.301
Now take log of this increase+1 which means log(4%+1)= log(0.04+1)= log(1.04) =0.0170
Divide log of 2 with log of increase + 1 which means log(2)/log(4%+1) = 0.301/0.0170 = 17.67
periods
How to use Doubling Time Calculator?
You just need to enter the value of increase(constant growth).
Then press submit button and doubling time will be calculated and displayed in the specified
block.
More Calculation Examples
Doubling Time Example 1
Increase: 6%
Doubling Time =
log(2)
/
log(1+6%)
= 11.895661045942 periods
Doubling Time Example 2
Increase: 23%
Doubling Time =
log(2)
/
log(1+23%)
= 3.3483079086877 periods
Doubling Time Example 3
Increase: 67%
Doubling Time =
log(2)
/
log(1+67%)
= 1.3516287956291 periods
Doubling Time Example 4
Increase: 55%
Doubling Time =
log(2)
/
log(1+55%)
= 1.5816072601561 periods
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