Horse Pregnancy Calculator - Mare Gestation Chart

Horse Pregnancy Calculator - Mare Gestation Chart

Mare Gestation Calculator

Result

Horse Pregnancy Calculator 

  • Horse Pregnancy Calculator or Mare Gestation Calculator will help you to find the estimated due date for your favorite pregnant Horse due date.
  • The mare gestation calculator will estimate your pregnant mare's foaling day (due date) and guide you through all the stages of the horse's gestational period.

 

Steps To Calculate Horse Pregnancy

  1. Enter the First Date of Horse Mating
  2. Calculate Estimate Foaling Date
  3. Calculate Min & Max Foaling Date

 

Horse Pregnancy Calculator Formula

 

You may use the equation identical to the one used in our horse due date calculator:

Pregnancy day = Current date - Mating date

 

The Horse Pregnancy calculator uses the following formula: You can easily replicate the results of our horse gestation period calculator using a few easy equations:

For the estimated delivery date:
Foaling = MatingDate + 338
338 days = 11 months


For the full range of possible foaling days:
Earliest possible foaling = MatingDate + 331
Latest possible foaling = MatingDate + 346

 

Signs Of Horse Pregnancy

If you suspect that your Horse is pregnant, look for the following signs that indiHorsee common physical changes during Horse pregnancy length:

  • Increase of appetite
  • Weight gain
  • Swelling of nipples
  • Rose-colored nipples
  • Vomiting
  • Enlarged abdomen
  • Exhaustion
  • Affectionate behavior

 

Horse Gestation Table / Chart

 
A horse gestation table or chart is another means to determine the due date (foaling date) of a pregnant mare. It could be used interchangeably with an online horse gestation calculator
  • Horse gestation chart
  • Equine gestation calendar
  • Horse gestation chart
  • Equine gestation calendar

This horse gestation table is based on a 345-day Gestation Period

Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date Date Bred Foaling Date
1-Jan 12-Dec 1-Feb 12-Jan 1-Mar 9-Feb 1-Apr 12-Mar 1-May 11-Apr 1-Jun 12-May 1-Jul 11-Jun 1-Aug 12-Jul 1-Sep 12-Aug 1-Oct 11-Sep 1-Nov 12-Oct 1-Dec 11-Nov
2-Jan 13-Dec 2-Feb 13-Jan 2-Mar 10-Feb 2-Apr 13-Mar 2-May 12-Apr 2-Jun 13-May 2-Jul 12-Jun 2-Aug 13-Jul 2-Sep 13-Aug 2-Oct 12-Sep 2-Nov 13-Oct 2-Dec 12-Nov
3-Jan 14-Dec 3-Feb 14-Jan 3-Mar 11-Feb 3-Apr 14-Mar 3-May 13-Apr 3-Jun 14-May 3-Jul 13-Jun 3-Aug 14-Jul 3-Sep 14-Aug 3-Oct 13-Sep 3-Nov 14-Oct 3-Dec 13-Nov
4-Jan 15-Dec 4-Feb 15-Jan 4-Mar 12-Feb 4-Apr 15-Mar 4-May 14-Apr 4-Jun 15-May 4-Jul 14-Jun 4-Aug 15-Jul 4-Sep 15-Aug 4-Oct 14-Sep 4-Nov 15-Oct 4-Dec 14-Nov
5-Jan 16-Dec 5-Feb 16-Jan 5-Mar 13-Feb 5-Apr 16-Mar 5-May 15-Apr 5-Jun 16-May 5-Jul 15-Jun 5-Aug 16-Jul 5-Sep 16-Aug 5-Oct 15-Sep 5-Nov 16-Oct 5-Dec 15-Nov
6-Jan 17-Dec 6-Feb 17-Jan 6-Mar 14-Feb 6-Apr 17-Mar 6-May 16-Apr 6-Jun 17-May 6-Jul 16-Jun 6-Aug 17-Jul 6-Sep 17-Aug 6-Oct 16-Sep 6-Nov 17-Oct 6-Dec 16-Nov
7-Jan 18-Dec 7-Feb 18-Jan 7-Mar 15-Feb 7-Apr 18-Mar 7-May 17-Apr 7-Jun 18-May 7-Jul 17-Jun 7-Aug 18-Jul 7-Sep 18-Aug 7-Oct 17-Sep 7-Nov 18-Oct 7-Dec 17-Nov
8-Jan 19-Dec 8-Feb 19-Jan 8-Mar 16-Feb 8-Apr 19-Mar 8-May 18-Apr 8-Jun 19-May 8-Jul 18-Jun 8-Aug 19-Jul 8-Sep 19-Aug 8-Oct 18-Sep 8-Nov 19-Oct 8-Dec 18-Nov
9-Jan 20-Dec 9-Feb 20-Jan 9-Mar 17-Feb 9-Apr 20-Mar 9-May 19-Apr 9-Jun 20-May 9-Jul 19-Jun 9-Aug 20-Jul 9-Sep 20-Aug 9-Oct 19-Sep 9-Nov 20-Oct 9-Dec 19-Nov
10-Jan 21-Dec 10-Feb 21-Jan 10-Mar 18-Feb 10-Apr 21-Mar 10-May 20-Apr 10-Jun 21-May 10-Jul 20-Jun 10-Aug 21-Jul 10-Sep 21-Aug 10-Oct 20-Sep 10-Nov 21-Oct 10-Dec 20-Nov
11-Jan 22-Dec 11-Feb 22-Jan 11-Mar 19-Feb 11-Apr 22-Mar 11-May 21-Apr 11-Jun 22-May 11-Jul 21-Jun 11-Aug 22-Jul 11-Sep 22-Aug 11-Oct 21-Sep 11-Nov 22-Oct 11-Dec 21-Nov
12-Jan 23-Dec 12-Feb 23-Jan 12-Mar 20-Feb 12-Apr 23-Mar 12-May 22-Apr 12-Jun 23-May 12-Jul 22-Jun 12-Aug 23-Jul 12-Sep 23-Aug 12-Oct 22-Sep 12-Nov 23-Oct 12-Dec 22-Nov
13-Jan 24-Dec 13-Feb 24-Jan 13-Mar 21-Feb 13-Apr 24-Mar 13-May 23-Apr 13-Jun 24-May 13-Jul 23-Jun 13-Aug 24-Jul 13-Sep 24-Aug 13-Oct 23-Sep 13-Nov 24-Oct 13-Dec 23-Nov
14-Jan 25-Dec 14-Feb 25-Jan 14-Mar 22-Feb 14-Apr 25-Mar 14-May 24-Apr 14-Jun 25-May 14-Jul 24-Jun 14-Aug 25-Jul 14-Sep 25-Aug 14-Oct 24-Sep 14-Nov 25-Oct 14-Dec 24-Nov
15-Jan 26-Dec 15-Feb 26-Jan 15-Mar 23-Feb 15-Apr 26-Mar 15-May 25-Apr 15-Jun 26-May 15-Jul 25-Jun 15-Aug 26-Jul 15-Sep 26-Aug 15-Oct 25-Sep 15-Nov 26-Oct 15-Dec 25-Nov
16-Jan 27-Dec 16-Feb 27-Jan 16-Mar 24-Feb 16-Apr 27-Mar 16-May 26-Apr 16-Jun 27-May 16-Jul 26-Jun 16-Aug 27-Jul 16-Sep 27-Aug 16-Oct 26-Sep 16-Nov 27-Oct 16-Dec 26-Nov
17-Jan 28-Dec 17-Feb 28-Jan 17-Mar 25-Feb 17-Apr 28-Mar 17-May 27-Apr 17-Jun 28-May 17-Jul 27-Jun 17-Aug 28-Jul 17-Sep 28-Aug 17-Oct 27-Sep 17-Nov 28-Oct 17-Dec 27-Nov
18-Jan 29-Dec 18-Feb 29-Jan 18-Mar 26-Feb 18-Apr 29-Mar 18-May 28-Apr 18-Jun 29-May 18-Jul 28-Jun 18-Aug 29-Jul 18-Sep 29-Aug 18-Oct 28-Sep 18-Nov 29-Oct 18-Dec 28-Nov
19-Jan 30-Dec 19-Feb 30-Jan 19-Mar 27-Feb 19-Apr 30-Mar 19-May 29-Apr 19-Jun 30-May 19-Jul 29-Jun 19-Aug 30-Jul 19-Sep 30-Aug 19-Oct 29-Sep 19-Nov 30-Oct 19-Dec 29-Nov
20-Jan 31-Dec 20-Feb 31-Jan 20-Mar 28-Feb 20-Apr 31-Mar 20-May 30-Apr 20-Jun 31-May 20-Jul 30-Jun 20-Aug 31-Jul 20-Sep 31-Aug 20-Oct 30-Sep 20-Nov 31-Oct 20-Dec 30-Nov
21-Jan 1-Jan 21-Feb 1-Feb 21-Mar 1-Mar 21-Apr 1-Apr 21-May 1-May 21-Jun 1-Jun 21-Jul 1-Jul 21-Aug 1-Aug 21-Sep 1-Sep 21-Oct 1-Oct 21-Nov 1-Nov 21-Dec 1-Dec
22-Jan 2-Jan 22-Feb 2-Feb 22-Mar 2-Mar 22-Apr 2-Apr 22-May 2-May 22-Jun 2-Jun 22-Jul 2-Jul 22-Aug 2-Aug 22-Sep 2-Sep 22-Oct 2-Oct 22-Nov 2-Nov 22-Dec 2-Dec
23-Jan 3-Jan 23-Feb 3-Feb 23-Mar 3-Mar 23-Apr 3-Apr 23-May 3-May 23-Jun 3-Jun 23-Jul 3-Jul 23-Aug 3-Aug 23-Sep 3-Sep 23-Oct 3-Oct 23-Nov 3-Nov 23-Dec 3-Dec
24-Jan 4-Jan 24-Feb 4-Feb 24-Mar 4-Mar 24-Apr 4-Apr 24-May 4-May 24-Jun 4-Jun 24-Jul 4-Jul 24-Aug 4-Aug 24-Sep 4-Sep 24-Oct 4-Oct 24-Nov 4-Nov 24-Dec 4-Dec
25-Jan 5-Jan 25-Feb 5-Feb 25-Mar 5-Mar 25-Apr 5-Apr 25-May 5-May 25-Jun 5-Jun 25-Jul 5-Jul 25-Aug 5-Aug 25-Sep 5-Sep 25-Oct 5-Oct 25-Nov 5-Nov 25-Dec 5-Dec
26-Jan 6-Jan 26-Feb 6-Feb 26-Mar 6-Mar 26-Apr 6-Apr 26-May 6-May 26-Jun 6-Jun 26-Jul 6-Jul 26-Aug 6-Aug 26-Sep 6-Sep 26-Oct 6-Oct 26-Nov 6-Nov 26-Dec 6-Dec
27-Jan 7-Jan 27-Feb 7-Feb 27-Mar 7-Mar 27-Apr 7-Apr 27-May 7-May 27-Jun 7-Jun 27-Jul 7-Jul 27-Aug 7-Aug 27-Sep 7-Sep 27-Oct 7-Oct 27-Nov 7-Nov 27-Dec 7-Dec
28-Jan 8-Jan 28-Feb 8-Feb 28-Mar 8-Mar 28-Apr 8-Apr 28-May 8-May 28-Jun 8-Jun 28-Jul 8-Jul 28-Aug 8-Aug 28-Sep 8-Sep 28-Oct 8-Oct 28-Nov 8-Nov 28-Dec 8-Dec
29-Jan 9-Jan     29-Mar 9-Mar 29-Apr 9-Apr 29-May 9-May 29-Jun 9-Jun 29-Jul 9-Jul 29-Aug 9-Aug 29-Sep 9-Sep 29-Oct 9-Oct 29-Nov 9-Nov 29-Dec 9-Dec
30-Jan 10-Jan     30-Mar 10-Mar 30-Apr 10-Apr 30-May 10-May 30-Jun 10-Jun 30-Jul 10-Jul 30-Aug 10-Aug 30-Sep 10-Sep 30-Oct 10-Oct 30-Nov 10-Nov 30-Dec 10-Dec
31-Jan 11-Jan     31-Mar 11-Mar     31-May 11-May     31-Jul 11-Jul 31-Aug 11-Aug     31-Oct 11-Oct     31-Dec 11-Dec
 

Summary

Overall Horse Pregnancy Due Date Calculator will give you the pregnancy date of Horse Due Date. Check More Pet And Animal Related Calculators on Drlogy Calculator to get the exact solution for your questions.

 

Reference

  • Symptoms and Stages of Pregnancy in Horses [1].
  • Pregnancy Determination in Horses [2].
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Mare Gestation Calculator FAQ

How do you calculate mare due date?

To calculate how far along your mare is, follow these steps:

  1. Take the current date.
  2. Get the mating date.
  3. Subtract mating date from current date: Current date - Mating date
  4. Now you know how the current length of your horse's pregnancy!
  5. Keep in mind, the average horse pregnancy length is equal to 338 days.

How many days pregnant is my mare?

  • The average length of gestation for horses is 320 – 360 days.
  • The mare gestation calculator will estimate your pregnant mare's foaling day (due date) and guide you through all the stages of the horse gestational period

How far along is my mare?

  • If you know the breeding (mating) date, it's effortless to establish the day of your mare's pregnancy.
  • You may use the equation identical to the one used in our horse due date calculator:
  • Pregnancy day = Current date - Mating date

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