Animal Gestation Calculator

Rabbit Gestation Calculator

Last updated

A rabbit's gestation period is about 31 days, or roughly 1 month, though it ranges from 28 to 33 days depending on breed and individual animal.

Calculate a kit due date

What do you know?

Estimated kindling date

Friday, 27 November 2026

Earliest

24 Nov 2026

Latest

29 Nov 2026

31 days remaining0% complete

0 of 31 days elapsed

Milestone timeline

Key Rabbit pregnancy milestones with calculated calendar dates
DayMilestoneDate
14Palpation confirms pregnancy10 Nov 2026
28Add nest box24 Nov 2026
31Expected kindling27 Nov 2026

What to do next

How to use the rabbit gestation calculator

  1. 1. Choose what you know. Enter the breeding date to get a due date, or switch to the target due date mode to work backwards to the breeding date you need.
  2. 2. Refine the inputs. The calculator uses the 31-day average for this species.
  3. 3. Plan around the range. Use the earliest and latest dates and the milestone timeline to schedule checks, feed changes and preparation of the kindling area.

How long is a rabbit's gestation period?

The average is 31 days from breeding to kindling, about 1 month. Anything between 28 and 33 days is normal, and a typical litter is 4-12 kits. Treat the calculated date as the middle of that window rather than a fixed appointment.

Rabbit gestation table: breeding date to kindling date

Breeding dates one week apart with the matching kindling date at 31 days.

Twelve sample Rabbit breeding dates and their calculated due dates
Breeding dateExpected kindling date
27 Oct 202627 Nov 2026
3 Nov 20264 Dec 2026
10 Nov 202611 Dec 2026
17 Nov 202618 Dec 2026
24 Nov 202625 Dec 2026
1 Dec 20261 Jan 2027
8 Dec 20268 Jan 2027
15 Dec 202615 Jan 2027
22 Dec 202622 Jan 2027
29 Dec 202629 Jan 2027
5 Jan 20275 Feb 2027
12 Jan 202712 Feb 2027

Working backwards from a target kindling date

If you want kits on the ground in a particular week, switch the calculator to target date mode and enter the date you are aiming for. It subtracts 31 days to give the breeding date to book, plus the earliest and latest service dates that still land inside your window.

Rabbit gestation calculator FAQs

How do I calculate a rabbit due date?

Enter the breeding or mating date and the calculator adds the average rabbit gestation of 31 days. It also shows the earliest (28 days) and latest (33 days) dates that are still normal.

Should I use the first or last mating date?

If mating happened over several days, run the calculator for the first and the last date. The kit is most likely to arrive between the earliest result of the first date and the latest result of the last date.

Can I work out when to breed for a target rabbit due date?

Yes. Switch to target due date mode and enter the date you want; the calculator subtracts 31 days to give the breeding date, plus the earliest and latest breeding dates that still fit.

How accurate is the rabbit due date calculator?

It gives a planning estimate from published averages. Most births fall inside the 28–33 day window shown, but ask a vet to confirm the pregnancy and check anything outside that range.

More gestation pages

Pet gestation chart