Payback
Calculate Payback instantly with the exact formula and a worked example. Free online calculator — no signup.
Payback
System cost
Savings/year
Payback
10yrs
More about: Payback
What it calculates
The “Payback” calculator computes Payback in yrs from 2 parameters: system cost, savings/year.
Estimates environmental impact and carbon footprint.
Example calculation
With parameters System cost = 500,000, Savings/year = 50,000 the result is 10 yrs.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.