Rabbit Breeding Calculator

Use this free rabbit breeding calculator to estimate important dates after mating your doe. Enter the breeding date and select the closest rabbit breed type to calculate an estimated pregnancy-check window, nest-box window, kindling date, kit eye-opening date, weaning date, and optional breeding-cycle dates.

Most domestic rabbits have a gestation period of approximately 28–33 days, with many does kindling around Day 31. These results are planning estimates only because the actual delivery date can vary between individual rabbits.

Calculate Your Rabbit’s Breeding and Kindling Dates

Breeding date

Enter the date when the doe was successfully mated.

Rabbit breed or type

Enter a breeding date and select a rabbit type to calculate an estimated pregnancy and kindling schedule.

Calculation based on: — mated on —.

Estimated kindling date
—

Expected kindling window

—

Suggested pregnancy-check window —

Recommended nest-box window —

Kit eye-opening date —

Estimated weaning date —

Optional 45-day breeding-cycle date —

Optional 60-day breeding-cycle date —

Optional 90-day breeding-cycle date —

These are optional planning dates calculated from the original mating date. They are not recommendations to breed a doe on a specific date. The appropriate interval depends on the doe’s health, body condition, litter, nutrition, recovery, and breeding goals.

This rabbit due-date calculator estimates when your doe may kindle based on the mating date and selected rabbit type.

What Does This Rabbit Breeding Calculator Calculate?

This calculator creates an estimated rabbit pregnancy schedule from the date of mating. Depending on the selected rabbit type, it estimates the following planning milestones. These results are for planning and record keeping only and do not confirm pregnancy or guarantee the date of birth.

Pregnancy-check window: An estimated period when pregnancy palpation may be performed by someone experienced with rabbits.
Nest-box window: An estimated period for preparing and adding the nest box.
Kindling date: The estimated date when the doe may give birth.
Kindling window: A range showing that delivery may occur earlier or later than the estimated date.
Kit development dates: Approximate dates for eye opening and weaning.
Breeding-cycle dates: Optional planning dates based on 45-day, 60-day, or 90-day intervals. These dates are not recommendations to breed a specific doe.

How the Rabbit Breeding Calculator Works

The calculator treats the mating date as Day 0 and adds the estimated gestation period for the selected rabbit type. Most domestic rabbits have a gestation period of approximately 28–33 days, and many does kindle around Day 31.

For example, if a doe is bred on June 1 and the selected gestation period is 31 days, the estimated kindling date is July 2. The rabbit due-date calculation is based on adding the selected gestation period to the mating date.

The actual delivery date can vary between rabbits. Use this calculator as a general breeding-calendar tool for planning and record keeping, not as a guaranteed delivery-date calculator.

Rabbit Pregnancy Timeline

Breeding

Day 0

Record the date of a confirmed mating. Use the date of the successful breeding as the starting point for the calculator.

Pregnancy-Check Planning

Days 10–14 after mating

Many breeders record a pregnancy-check reminder approximately 10–14 days after mating. This calculator provides that date as a planning reminder only.

Recommended nest-box window

Around Days 28–29

Prepare and add a clean, appropriately sized nest box near the end of pregnancy. Day 28 marks the beginning of the normal planning window.

The exact timing may vary according to the doe, housing conditions, weather, nesting behavior, and local rabbitry practice.

Expected Kindling

Around Days 30–33

Many domestic rabbits give birth around Day 31, but delivery can occur earlier or later. Monitor the doe without unnecessary disturbance and make sure clean water, suitable feed, and a safe environment are available.

Litter and Breeding Records

After Kindling

After kindling, breeders can continue recording litter-related dates and rabbitry milestones. This calculator is designed to organize breeding dates and schedules, not to provide medical or animal-care instructions.

Weaning and Rebreeding

Post-Kindling

Weaning and rebreeding schedules should be based on the doe’s body condition, litter development, nutrition, health, and breeding objective. A 45-day, 60-day, or 90-day cycle is not automatically appropriate for every doe.

Rabbit Gestation Period by Breed Type

Rabbit gestation periods can vary between breeds and individual does. The ranges below are approximate planning estimates, not fixed guarantees for every rabbit.

Rabbit Type	Approximate Planning Period
Dwarf and mini breeds	About 30–31 days
Standard and medium breeds	About 31 days
Commercial meat breeds	About 31–32 days
Giant breeds	About 31–33 days
Rex and fur breeds	About 31 days

These ranges are intended for planning only. Gestation length can vary between individual rabbits, and the actual kindling date may be earlier or later than the estimate.

How Accurate Is the Rabbit Breeding Calculator?

The calculator estimates dates from the entered mating date and selected rabbit type. Most domestic rabbits kindle around 31 days after mating, but the actual date may be earlier or later.

The estimate can vary because of:

Use the result as a breeding-calendar estimate rather than a guaranteed delivery date.

Frequently Asked Questions

How long are rabbits pregnant?

A domestic rabbit pregnancy commonly lasts approximately 28 to 33 days, with many does kindling around 31 days. The exact duration can vary between individual rabbits.

How do I calculate a rabbit’s due date?

Enter the confirmed mating date into the rabbit breeding calculator and select the closest breed type. The calculator adds an estimated gestation period and provides an expected kindling date and planning window.

When should I put the nest box in?

Many breeders prepare the nest box near the end of the pregnancy, often around Day 28. The correct timing depends on the doe, housing, nesting behavior, and local management practices.

When should I check whether my rabbit is pregnant?

Pregnancy palpation is often performed around Days 10 to 14 after mating by someone experienced with rabbits. Do not press hard on the abdomen. Ask a veterinarian or experienced breeder for assistance if you are unsure.

Can this calculator confirm pregnancy?

No. This calculator estimates dates from a breeding date. It cannot confirm pregnancy. Palpation, veterinary examination, or other appropriate methods are needed for confirmation.

When should rabbit kits be weaned?

Weaning timing depends on kit development, health, housing, and management goals. Many breeders consider weaning at approximately six to eight weeks, but the decision should be made based on the condition of the litter and guidance from an experienced breeder or veterinarian.

Should I use a 45-day, 60-day, or 90-day rebreeding schedule?

The appropriate schedule depends on the doe’s body condition, health, litter, nutrition, and breeding goals. A longer rest period may be more suitable for some does. Do not select a schedule only because it produces more litters.

About This Calculator

Rabbit Breeding Calculator is a simple online tool for organizing rabbit breeding dates and estimated kindling schedules.

Enter a mating date, choose the closest rabbit type, and receive estimated dates for pregnancy-check planning, nest-box preparation, kindling, kit milestones, weaning, and optional breeding cycles.

The calculator is intended for general planning and record keeping. It does not provide veterinary advice or diagnose pregnancy.

Written by: Sarim Hassan, Rabbit Breeding Calculator
Last updated: September 15, 2026
Contact: sarim@rabbitbreedingcalculator.com

Sources and Further Reading

The following references were consulted when preparing the general breeding, gestation, and date-planning information on this page. The calculator is intended for general planning and record keeping.

Merck Veterinary Manual: Management of Rabbits — general rabbit management, gestation, breeding, and nest-box guidance.

FAO: The Rabbit — rabbit production and reproductive information.

Tamil Nadu Agricultural University: Breeding of Rabbit — rabbit breeding and gestation information.

RSPCA: Pregnant Rabbits — general pregnancy and welfare guidance.

This calculator is provided for planning and record keeping. It does not diagnose pregnancy or replace veterinary care.

Use the Rabbit Breeding Calculator App

If you manage multiple rabbits or want to keep breeding records on your phone, you can also use the Rabbit Breeding Calculator app on Google Play. The app is designed to help rabbit owners and breeders organize breeding dates, expected kindling dates, pregnancy milestones, and rabbitry records.