A pig pregnancy lasts about 114 days, counted from the breeding date; most births fall between day 110 and day 117. Pick the breeding date below to see the due date, the usual window and the milestones on the way.
Bred on
Length (days)
114
Average: 114 days. Adjust it for your breed.
Due date
Wed, Jun 23, 2027
Usually Jun 19 – Jun 26, 2027 · 3 months, 3 weeks, 3 days
Milestones
💕
Bred
Day 0 · Mon, Mar 1, 2027
⏳
Halfway
Day 57 · Tue, Apr 27, 2027
🧺
About a week to go: get a clean, quiet birthing area ready
Day 107 · Wed, Jun 16, 2027
🎉
Due date (farrowing)
Day 114 · Wed, Jun 23, 2027
How the date is worked out
Due date = breeding date + 114 days. Day 0 is the day of breeding, so a pig bred on Mar 1, 2027 is due on Jun 23, 2027, and births usually fall between Jun 19, 2027 and Jun 26, 2027. If the pig was bred on several days, count from the first breeding and expect the window to run to the last breeding + 117 days.
Good to know
The old rule “three months, three weeks and three days” is 114 days. Most sows farrow between day 110 and day 117 (Penn State Extension).
2027 gestation table: breeding date and due date
Every breeding date of 2027 with its due date (114 days later), month by month. Print it for the barn or kennel wall.
January 2027
Bred
Due
Jan 1
Apr 25, 2027
Jan 2
Apr 26, 2027
Jan 3
Apr 27, 2027
Jan 4
Apr 28, 2027
Jan 5
Apr 29, 2027
Jan 6
Apr 30, 2027
Jan 7
May 1, 2027
Jan 8
May 2, 2027
Jan 9
May 3, 2027
Jan 10
May 4, 2027
Jan 11
May 5, 2027
Jan 12
May 6, 2027
Jan 13
May 7, 2027
Jan 14
May 8, 2027
Jan 15
May 9, 2027
Jan 16
May 10, 2027
Jan 17
May 11, 2027
Jan 18
May 12, 2027
Jan 19
May 13, 2027
Jan 20
May 14, 2027
Jan 21
May 15, 2027
Jan 22
May 16, 2027
Jan 23
May 17, 2027
Jan 24
May 18, 2027
Jan 25
May 19, 2027
Jan 26
May 20, 2027
Jan 27
May 21, 2027
Jan 28
May 22, 2027
Jan 29
May 23, 2027
Jan 30
May 24, 2027
Jan 31
May 25, 2027
February 2027
Bred
Due
Feb 1
May 26, 2027
Feb 2
May 27, 2027
Feb 3
May 28, 2027
Feb 4
May 29, 2027
Feb 5
May 30, 2027
Feb 6
May 31, 2027
Feb 7
Jun 1, 2027
Feb 8
Jun 2, 2027
Feb 9
Jun 3, 2027
Feb 10
Jun 4, 2027
Feb 11
Jun 5, 2027
Feb 12
Jun 6, 2027
Feb 13
Jun 7, 2027
Feb 14
Jun 8, 2027
Feb 15
Jun 9, 2027
Feb 16
Jun 10, 2027
Feb 17
Jun 11, 2027
Feb 18
Jun 12, 2027
Feb 19
Jun 13, 2027
Feb 20
Jun 14, 2027
Feb 21
Jun 15, 2027
Feb 22
Jun 16, 2027
Feb 23
Jun 17, 2027
Feb 24
Jun 18, 2027
Feb 25
Jun 19, 2027
Feb 26
Jun 20, 2027
Feb 27
Jun 21, 2027
Feb 28
Jun 22, 2027
March 2027
Bred
Due
Mar 1
Jun 23, 2027
Mar 2
Jun 24, 2027
Mar 3
Jun 25, 2027
Mar 4
Jun 26, 2027
Mar 5
Jun 27, 2027
Mar 6
Jun 28, 2027
Mar 7
Jun 29, 2027
Mar 8
Jun 30, 2027
Mar 9
Jul 1, 2027
Mar 10
Jul 2, 2027
Mar 11
Jul 3, 2027
Mar 12
Jul 4, 2027
Mar 13
Jul 5, 2027
Mar 14
Jul 6, 2027
Mar 15
Jul 7, 2027
Mar 16
Jul 8, 2027
Mar 17
Jul 9, 2027
Mar 18
Jul 10, 2027
Mar 19
Jul 11, 2027
Mar 20
Jul 12, 2027
Mar 21
Jul 13, 2027
Mar 22
Jul 14, 2027
Mar 23
Jul 15, 2027
Mar 24
Jul 16, 2027
Mar 25
Jul 17, 2027
Mar 26
Jul 18, 2027
Mar 27
Jul 19, 2027
Mar 28
Jul 20, 2027
Mar 29
Jul 21, 2027
Mar 30
Jul 22, 2027
Mar 31
Jul 23, 2027
April 2027
Bred
Due
Apr 1
Jul 24, 2027
Apr 2
Jul 25, 2027
Apr 3
Jul 26, 2027
Apr 4
Jul 27, 2027
Apr 5
Jul 28, 2027
Apr 6
Jul 29, 2027
Apr 7
Jul 30, 2027
Apr 8
Jul 31, 2027
Apr 9
Aug 1, 2027
Apr 10
Aug 2, 2027
Apr 11
Aug 3, 2027
Apr 12
Aug 4, 2027
Apr 13
Aug 5, 2027
Apr 14
Aug 6, 2027
Apr 15
Aug 7, 2027
Apr 16
Aug 8, 2027
Apr 17
Aug 9, 2027
Apr 18
Aug 10, 2027
Apr 19
Aug 11, 2027
Apr 20
Aug 12, 2027
Apr 21
Aug 13, 2027
Apr 22
Aug 14, 2027
Apr 23
Aug 15, 2027
Apr 24
Aug 16, 2027
Apr 25
Aug 17, 2027
Apr 26
Aug 18, 2027
Apr 27
Aug 19, 2027
Apr 28
Aug 20, 2027
Apr 29
Aug 21, 2027
Apr 30
Aug 22, 2027
May 2027
Bred
Due
May 1
Aug 23, 2027
May 2
Aug 24, 2027
May 3
Aug 25, 2027
May 4
Aug 26, 2027
May 5
Aug 27, 2027
May 6
Aug 28, 2027
May 7
Aug 29, 2027
May 8
Aug 30, 2027
May 9
Aug 31, 2027
May 10
Sep 1, 2027
May 11
Sep 2, 2027
May 12
Sep 3, 2027
May 13
Sep 4, 2027
May 14
Sep 5, 2027
May 15
Sep 6, 2027
May 16
Sep 7, 2027
May 17
Sep 8, 2027
May 18
Sep 9, 2027
May 19
Sep 10, 2027
May 20
Sep 11, 2027
May 21
Sep 12, 2027
May 22
Sep 13, 2027
May 23
Sep 14, 2027
May 24
Sep 15, 2027
May 25
Sep 16, 2027
May 26
Sep 17, 2027
May 27
Sep 18, 2027
May 28
Sep 19, 2027
May 29
Sep 20, 2027
May 30
Sep 21, 2027
May 31
Sep 22, 2027
June 2027
Bred
Due
Jun 1
Sep 23, 2027
Jun 2
Sep 24, 2027
Jun 3
Sep 25, 2027
Jun 4
Sep 26, 2027
Jun 5
Sep 27, 2027
Jun 6
Sep 28, 2027
Jun 7
Sep 29, 2027
Jun 8
Sep 30, 2027
Jun 9
Oct 1, 2027
Jun 10
Oct 2, 2027
Jun 11
Oct 3, 2027
Jun 12
Oct 4, 2027
Jun 13
Oct 5, 2027
Jun 14
Oct 6, 2027
Jun 15
Oct 7, 2027
Jun 16
Oct 8, 2027
Jun 17
Oct 9, 2027
Jun 18
Oct 10, 2027
Jun 19
Oct 11, 2027
Jun 20
Oct 12, 2027
Jun 21
Oct 13, 2027
Jun 22
Oct 14, 2027
Jun 23
Oct 15, 2027
Jun 24
Oct 16, 2027
Jun 25
Oct 17, 2027
Jun 26
Oct 18, 2027
Jun 27
Oct 19, 2027
Jun 28
Oct 20, 2027
Jun 29
Oct 21, 2027
Jun 30
Oct 22, 2027
July 2027
Bred
Due
Jul 1
Oct 23, 2027
Jul 2
Oct 24, 2027
Jul 3
Oct 25, 2027
Jul 4
Oct 26, 2027
Jul 5
Oct 27, 2027
Jul 6
Oct 28, 2027
Jul 7
Oct 29, 2027
Jul 8
Oct 30, 2027
Jul 9
Oct 31, 2027
Jul 10
Nov 1, 2027
Jul 11
Nov 2, 2027
Jul 12
Nov 3, 2027
Jul 13
Nov 4, 2027
Jul 14
Nov 5, 2027
Jul 15
Nov 6, 2027
Jul 16
Nov 7, 2027
Jul 17
Nov 8, 2027
Jul 18
Nov 9, 2027
Jul 19
Nov 10, 2027
Jul 20
Nov 11, 2027
Jul 21
Nov 12, 2027
Jul 22
Nov 13, 2027
Jul 23
Nov 14, 2027
Jul 24
Nov 15, 2027
Jul 25
Nov 16, 2027
Jul 26
Nov 17, 2027
Jul 27
Nov 18, 2027
Jul 28
Nov 19, 2027
Jul 29
Nov 20, 2027
Jul 30
Nov 21, 2027
Jul 31
Nov 22, 2027
August 2027
Bred
Due
Aug 1
Nov 23, 2027
Aug 2
Nov 24, 2027
Aug 3
Nov 25, 2027
Aug 4
Nov 26, 2027
Aug 5
Nov 27, 2027
Aug 6
Nov 28, 2027
Aug 7
Nov 29, 2027
Aug 8
Nov 30, 2027
Aug 9
Dec 1, 2027
Aug 10
Dec 2, 2027
Aug 11
Dec 3, 2027
Aug 12
Dec 4, 2027
Aug 13
Dec 5, 2027
Aug 14
Dec 6, 2027
Aug 15
Dec 7, 2027
Aug 16
Dec 8, 2027
Aug 17
Dec 9, 2027
Aug 18
Dec 10, 2027
Aug 19
Dec 11, 2027
Aug 20
Dec 12, 2027
Aug 21
Dec 13, 2027
Aug 22
Dec 14, 2027
Aug 23
Dec 15, 2027
Aug 24
Dec 16, 2027
Aug 25
Dec 17, 2027
Aug 26
Dec 18, 2027
Aug 27
Dec 19, 2027
Aug 28
Dec 20, 2027
Aug 29
Dec 21, 2027
Aug 30
Dec 22, 2027
Aug 31
Dec 23, 2027
September 2027
Bred
Due
Sep 1
Dec 24, 2027
Sep 2
Dec 25, 2027
Sep 3
Dec 26, 2027
Sep 4
Dec 27, 2027
Sep 5
Dec 28, 2027
Sep 6
Dec 29, 2027
Sep 7
Dec 30, 2027
Sep 8
Dec 31, 2027
Sep 9
Jan 1, 2028
Sep 10
Jan 2, 2028
Sep 11
Jan 3, 2028
Sep 12
Jan 4, 2028
Sep 13
Jan 5, 2028
Sep 14
Jan 6, 2028
Sep 15
Jan 7, 2028
Sep 16
Jan 8, 2028
Sep 17
Jan 9, 2028
Sep 18
Jan 10, 2028
Sep 19
Jan 11, 2028
Sep 20
Jan 12, 2028
Sep 21
Jan 13, 2028
Sep 22
Jan 14, 2028
Sep 23
Jan 15, 2028
Sep 24
Jan 16, 2028
Sep 25
Jan 17, 2028
Sep 26
Jan 18, 2028
Sep 27
Jan 19, 2028
Sep 28
Jan 20, 2028
Sep 29
Jan 21, 2028
Sep 30
Jan 22, 2028
October 2027
Bred
Due
Oct 1
Jan 23, 2028
Oct 2
Jan 24, 2028
Oct 3
Jan 25, 2028
Oct 4
Jan 26, 2028
Oct 5
Jan 27, 2028
Oct 6
Jan 28, 2028
Oct 7
Jan 29, 2028
Oct 8
Jan 30, 2028
Oct 9
Jan 31, 2028
Oct 10
Feb 1, 2028
Oct 11
Feb 2, 2028
Oct 12
Feb 3, 2028
Oct 13
Feb 4, 2028
Oct 14
Feb 5, 2028
Oct 15
Feb 6, 2028
Oct 16
Feb 7, 2028
Oct 17
Feb 8, 2028
Oct 18
Feb 9, 2028
Oct 19
Feb 10, 2028
Oct 20
Feb 11, 2028
Oct 21
Feb 12, 2028
Oct 22
Feb 13, 2028
Oct 23
Feb 14, 2028
Oct 24
Feb 15, 2028
Oct 25
Feb 16, 2028
Oct 26
Feb 17, 2028
Oct 27
Feb 18, 2028
Oct 28
Feb 19, 2028
Oct 29
Feb 20, 2028
Oct 30
Feb 21, 2028
Oct 31
Feb 22, 2028
November 2027
Bred
Due
Nov 1
Feb 23, 2028
Nov 2
Feb 24, 2028
Nov 3
Feb 25, 2028
Nov 4
Feb 26, 2028
Nov 5
Feb 27, 2028
Nov 6
Feb 28, 2028
Nov 7
Feb 29, 2028
Nov 8
Mar 1, 2028
Nov 9
Mar 2, 2028
Nov 10
Mar 3, 2028
Nov 11
Mar 4, 2028
Nov 12
Mar 5, 2028
Nov 13
Mar 6, 2028
Nov 14
Mar 7, 2028
Nov 15
Mar 8, 2028
Nov 16
Mar 9, 2028
Nov 17
Mar 10, 2028
Nov 18
Mar 11, 2028
Nov 19
Mar 12, 2028
Nov 20
Mar 13, 2028
Nov 21
Mar 14, 2028
Nov 22
Mar 15, 2028
Nov 23
Mar 16, 2028
Nov 24
Mar 17, 2028
Nov 25
Mar 18, 2028
Nov 26
Mar 19, 2028
Nov 27
Mar 20, 2028
Nov 28
Mar 21, 2028
Nov 29
Mar 22, 2028
Nov 30
Mar 23, 2028
December 2027
Bred
Due
Dec 1
Mar 24, 2028
Dec 2
Mar 25, 2028
Dec 3
Mar 26, 2028
Dec 4
Mar 27, 2028
Dec 5
Mar 28, 2028
Dec 6
Mar 29, 2028
Dec 7
Mar 30, 2028
Dec 8
Mar 31, 2028
Dec 9
Apr 1, 2028
Dec 10
Apr 2, 2028
Dec 11
Apr 3, 2028
Dec 12
Apr 4, 2028
Dec 13
Apr 5, 2028
Dec 14
Apr 6, 2028
Dec 15
Apr 7, 2028
Dec 16
Apr 8, 2028
Dec 17
Apr 9, 2028
Dec 18
Apr 10, 2028
Dec 19
Apr 11, 2028
Dec 20
Apr 12, 2028
Dec 21
Apr 13, 2028
Dec 22
Apr 14, 2028
Dec 23
Apr 15, 2028
Dec 24
Apr 16, 2028
Dec 25
Apr 17, 2028
Dec 26
Apr 18, 2028
Dec 27
Apr 19, 2028
Dec 28
Apr 20, 2028
Dec 29
Apr 21, 2028
Dec 30
Apr 22, 2028
Dec 31
Apr 23, 2028
Frequently asked questions
How long is a pig pregnant?
About 114 days on average, counted from the breeding date; most births fall between day 110 and day 117.
How do I calculate a pig due date?
Add 114 days to the breeding date. Example: bred on Mar 1, 2027, due on Jun 23, 2027. The calculator above does it for any date and lists the milestones.
What if the pig goes past the due date?
Most births fall by day 117 after breeding. If that day passes, or anything about the mother worries you, call your veterinarian.
Can I use a different length for my breed?
Yes. Change the length (in days) in the calculator; the date, the window and the milestones move with it. The Android app keeps the length for each animal or batch you save.
Where the numbers come from
Sources: Penn State Extension: Raising Pigs 1, Farrowing. Breeds and individual animals differ; change the length in the calculator if yours usually runs early or late. These dates are estimates, not veterinary advice: ask your veterinarian about your animal.