Exponential Growth/Decay Calculator

Online exponential growth/decay calculator.

Exponential growth/decay formula

x(t) = x0 × (1 + r) t

x(t) is the value at time t.

x0 is the initial value at time t=0.

r is the growth rate when r>0 or decay rate when r<0, in percent.

t is the time in discrete intervals and selected time units.

Exponential growth calculator

Enter initial value (x0):  
Enter growth/decay rate (r): %
Enter time (t):  
   
Value at time t (x(t)):  

Example

x0 = 50

r = 4% = 0.04

t = 90 hours

x(t) = x0 × (1 + r) t = 50×(1+0.04)90 = 1706

 

Exponent calculator ►

 


See also

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