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Exponential growth calculator
Exponential growth
Some things grow or decay in an exponential way. This means that for every time unit (e.g. a day) the metric changes with ± the same percentage.
If you can say "
it doubles every _ days
" => this means it has
exponential growth/increase
! If you can say "
it drops to half every _ days
", it has
logarithmic decay/decrease
!
Data Point 1
Data Point 2
Time in between
sec
min
hour
day
week
month
year
decade
century
Calculate !
Growth calculation
Exponential factor
1000 → 1000000 = multiply by 1000.00 (or + 99900.00 %) in 20 year(s)
multiply by 1.03 (or + 2.92 %) in 1
month
multiply by 1.41 (or + 41.25 %) in 1
year
multiply by 31.68 in 1
decade
goes x
2
every 2.01 year(s)
goes x
5
every 4.66 year(s)
goes x
10
every 6.67 year(s)
goes x
100
every 1.33 decade(s)
Extrapolation of data points
start point
1,000
data point
after 5.00 year
5,623
interpolation
after 10.00 year
31,623
interpolation
after 15.00 year
177,828
interpolation
after 20.00 year
1,000,000
data point
after 25.00 year
5,623,413
extrapolation
after 30.00 year
31,622,777
extrapolation
after 35.00 year
177,827,941
extrapolation
after 40.00 year
1,000,000,000
extrapolation
after 45.00 year
5,623,413,252
extrapolation
after 50.00 year
31,622,776,602
extrapolation
after 5.50 decade
177,827,941,004
extrapolation
after 6.00 decade
1,000,000,000,000
extrapolation
Examples
Carbon-14 has a radioactive half-life of 5730 years
Social Media: Facebook grew from 1 mio MAU in 2004 to 2.32 bil in 2018
Moore's Law: number of transistors on a chip doubles every 2 years (1990-2010)
Growth of people infected by COVID-19 in the USA between 15 and 29 March 2020
Business: month on month double digit growth = x 3.14 per year