Home >

Growing Degree Unit (GDU) Calculator


GDU Calculator

(1) Enter postal code for field location. (2) Move the green slider to set plant date. Results show total GDUs and Year-To-Year Comparisons change by date. (3) Move the brown sliders to set daily, weekly, monthly or annual accumulations. (4) Click on any graph line for number estimates. (5) Click on any graph bar for daily details.

Benefit: Get field-by-field crop progress and 14-day forecast. See disclaimer.


Select Map Location
CRM value must be between 70 and 135.

Total GDUs Since

To Date
Versus Normal
(+14 days)
Accumulated GDUs
Individual GDUs

Year-To-Year Comparisons From   to 

Season Total GDUs GDUs From Normal
- - -

GDU = Growing Degree Units