Growing Degree Days
Calculate Growing Degree Days instantly with the exact formula and a worked example.
Growing Degree Days
Tmax, °C
Tmin, °C
T base
GDD
10
More about: Growing Degree Days
What it calculates
The “Growing Degree Days” calculator computes GDD from 3 parameters: tmax, °c, tmin, °c, t base.
A handy everyday calculator for daily tasks.
Example calculation
With parameters Tmax, °C = 25, Tmin, °C = 15, T base = 10 the result is 10.
How to use
- Enter tmax, °c, tmin, °c and t base — each field above is adjustable with a slider.
- GDD is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
Related calculators
FAQ
How is Growing Degree Days calculated?
The Growing Degree Days calculator computes GDD from tmax, °c, tmin, °c, t base. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Growing Degree Days calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
More calculators in this category
Explore related free tools