Foaling Date Calculator

Find out when your long awaited foal is due!

This page calculates an approximate date of when your mare is due.

Enter in the date your mare was last served in the field below and the calculation will happen almost instantly!


Southern Hemisphere typically uses 340 days. Northern Hemisphere typically uses 342 days.
A mare served on 13 Jun 2024 will foal on or around:
19 May 2025
Brought to you by HorseRecords
This foaling date calculator is brought to you by HorseRecords. Did you know that HorseRecords calculates the foaling date automatically for you whenever you enter in the serving date of a mare?

Why not give HorseRecords a go? The first horse is free! Click here to find out more!

Foaling dates for all your mares!

My favourite feature is the foaling date report!

- Kelsey, Tarrawonga Stock Horses.

With foaling season upon us - it is good to know which mares are due next. You can then easily organise them to move into your foaling paddocks.

You can see the foaling date report on your phone or desktop!

If you are a recent member of HorseRecords you can back date the serving date of your mare with the "Served" event - and the foaling date will be automatically calculated for you.