Calculate an approximate due date

Enter last breeding date
in format mm/

Desired gestation duration:

Estimated foaling date:

Horse's Name


Pregnancy vaccination schedule calculator

Enter last breeding date:

This will give you the dates of ultrasound,
palpation and vaccinations

at 14 days/
2 weeks
at 28 days/
4 weeks
at 5 months/
140 days/20 weeks
at 7 months/
196 days/28 weeks
at 9 months/
252 days/36 weeks
All vaccines
at 11 months/
308 days/44 wks
Due date,
343 days


  Gestation  can be 320-370 days with most horses foaling the 340-348 day period

For  more information on foaling check out my information pages.


Coming Soon... Farrier and Worming calculator to with all your horses Dates