African elephant
African elephant Gestation Period: Free Calculator, Chart and Key Dates
An African elephant is pregnant for 645 days on average, which is 92 weeks and 1 day, or about 21 months. The normal range is 640 to 660 days. Enter the mating date in the calculator below to receive the due date, the earliest and latest calving dates and every milestone.
645 days
Average
640–660
Normal range (days)
1
Calf per birth
What Is the African elephant Gestation Calculator?
The African elephant gestation calculator is a free calculator that converts a mating date into a calving date. Gestation is the time from conception to birth. An African elephant carries its young for 645 days on average, and a normal pregnancy ends between day 640 and day 660. Each birth produces 1 calf.
The calculator returns:
- Expected calving date The most likely date, counted from your breeding date.
- Earliest and latest normal dates Day 640 and day 660.
- 5 milestones With calendar dates, from day 60 to day 645.
- Calendar file Add the dates to Google Calendar, Apple Calendar and Outlook.
Entering a target calving date returns the matching mating date.
Example: an African elephant with a mating date of 1 March 2026 is due on 6 December 2027 (day 645). The normal range runs from 1 December 2027 (day 640) to 21 December 2027 (day 660).
Problems the African elephant Gestation Calculator Solves
- You do not know when the calf are due. The calculator applies the 645-day average and the 640–660 day range to your date, so you know the day to prepare and the day the calving window opens.
- You are counting days by hand. Counting 645 days across months and years causes errors. The calculator performs the date arithmetic and shows each stage on a calendar.
- You need to plan ahead. Each result dates 5 milestones, starting on day 60 (pregnancy detectable from faecal or urinary hormone monitoring) and ending with the expected calving on day 645.
- You compare species. The calculator places the African elephant next to lion and the other animals on the home page.
How the African elephant Gestation Calculator Works
- Enter the date. Use the mating date, or enter a target calving date to work backwards.
- Add your own gestation length (optional). Enter the figure your veterinarian gives you if it differs from the 645-day average.
- Read the result. See the calving date, the 640–660 day range and the milestones.
- Save or share it. Add the dates to your calendar, print the chart, or copy a link that reopens the calculator with your dates.
African elephant Timeline: Key Dates
This table lists the 5 milestones the calculator dates for an African elephant. Day numbers count from the mating date. The dates assume a mating date of 1 March 2026.
| Day | Date | Milestone |
|---|---|---|
| 60 | 30 April 2026 | Pregnancy detectable from faecal or urinary hormone monitoring |
| 240 | 27 October 2026 | Ultrasound in managed care tracks calf growth and viability |
| 480 | 24 June 2027 | Progesterone levels remain high; calf grows rapidly |
| 630 | 21 November 2027 | Progesterone drops sharply — birth is normally within 2 to 5 days |
| 645 | 6 December 2027 | Expected calving |
Source: published averages, loaded into the calculator. Each animal falls anywhere inside the 640–660 day range.
Why Choose Animal Gestation Calculator for Your African elephant
- A range with every date. You see day 640, day 645 and day 660, not one guess.
- Your own gestation length. Enter the figure your veterinarian provides.
- Dated milestones. Every milestone sits on your calendar.
- Calendar export and printing. Add the dates to Google Calendar, Apple Calendar or Outlook, or print the 12-month breeding chart.
- Free and private. No account is required, and your entries stay in your browser.
- Published sources. Every figure comes from a published average, and every page labels it an estimate.
Who Uses the African elephant Gestation Calculator
- Zookeepers and wildlife-park staff planning care around a due date.
- Wildlife and biology students comparing gestation lengths.
- Researchers and educators who need a sourced figure.
- Nature writers checking how long a species carries its young.
Gestation Calculators for Other Wild Animals
Compare the African elephant’s 645 days with nearby wild animals: the Asian elephant gestation calculator (617 days), the giraffe gestation calculator (430 days), the lion gestation calculator (110 days), the tiger gestation calculator (105 days). The home page lists the gestation period of all 75 animals.
African elephant 12-Month Breeding Date Chart
Based on a 645-day gestation, using 2027 as the example year. Find the breeding date on the left and the expected calving date on the right. A year after the date means it falls in a later year. In a leap year, dates after 29 February move by a day.
| Bred | Due |
|---|---|
| 1 | Oct 7 2028 |
| 2 | Oct 8 2028 |
| 3 | Oct 9 2028 |
| 4 | Oct 10 2028 |
| 5 | Oct 11 2028 |
| 6 | Oct 12 2028 |
| 7 | Oct 13 2028 |
| 8 | Oct 14 2028 |
| 9 | Oct 15 2028 |
| 10 | Oct 16 2028 |
| 11 | Oct 17 2028 |
| 12 | Oct 18 2028 |
| 13 | Oct 19 2028 |
| 14 | Oct 20 2028 |
| 15 | Oct 21 2028 |
| 16 | Oct 22 2028 |
| 17 | Oct 23 2028 |
| 18 | Oct 24 2028 |
| 19 | Oct 25 2028 |
| 20 | Oct 26 2028 |
| 21 | Oct 27 2028 |
| 22 | Oct 28 2028 |
| 23 | Oct 29 2028 |
| 24 | Oct 30 2028 |
| 25 | Oct 31 2028 |
| 26 | Nov 1 2028 |
| 27 | Nov 2 2028 |
| 28 | Nov 3 2028 |
| 29 | Nov 4 2028 |
| 30 | Nov 5 2028 |
| 31 | Nov 6 2028 |
| Bred | Due |
|---|---|
| 1 | Nov 7 2028 |
| 2 | Nov 8 2028 |
| 3 | Nov 9 2028 |
| 4 | Nov 10 2028 |
| 5 | Nov 11 2028 |
| 6 | Nov 12 2028 |
| 7 | Nov 13 2028 |
| 8 | Nov 14 2028 |
| 9 | Nov 15 2028 |
| 10 | Nov 16 2028 |
| 11 | Nov 17 2028 |
| 12 | Nov 18 2028 |
| 13 | Nov 19 2028 |
| 14 | Nov 20 2028 |
| 15 | Nov 21 2028 |
| 16 | Nov 22 2028 |
| 17 | Nov 23 2028 |
| 18 | Nov 24 2028 |
| 19 | Nov 25 2028 |
| 20 | Nov 26 2028 |
| 21 | Nov 27 2028 |
| 22 | Nov 28 2028 |
| 23 | Nov 29 2028 |
| 24 | Nov 30 2028 |
| 25 | Dec 1 2028 |
| 26 | Dec 2 2028 |
| 27 | Dec 3 2028 |
| 28 | Dec 4 2028 |
| Bred | Due |
|---|---|
| 1 | Dec 5 2028 |
| 2 | Dec 6 2028 |
| 3 | Dec 7 2028 |
| 4 | Dec 8 2028 |
| 5 | Dec 9 2028 |
| 6 | Dec 10 2028 |
| 7 | Dec 11 2028 |
| 8 | Dec 12 2028 |
| 9 | Dec 13 2028 |
| 10 | Dec 14 2028 |
| 11 | Dec 15 2028 |
| 12 | Dec 16 2028 |
| 13 | Dec 17 2028 |
| 14 | Dec 18 2028 |
| 15 | Dec 19 2028 |
| 16 | Dec 20 2028 |
| 17 | Dec 21 2028 |
| 18 | Dec 22 2028 |
| 19 | Dec 23 2028 |
| 20 | Dec 24 2028 |
| 21 | Dec 25 2028 |
| 22 | Dec 26 2028 |
| 23 | Dec 27 2028 |
| 24 | Dec 28 2028 |
| 25 | Dec 29 2028 |
| 26 | Dec 30 2028 |
| 27 | Dec 31 2028 |
| 28 | Jan 1 2029 |
| 29 | Jan 2 2029 |
| 30 | Jan 3 2029 |
| 31 | Jan 4 2029 |
| Bred | Due |
|---|---|
| 1 | Jan 5 2029 |
| 2 | Jan 6 2029 |
| 3 | Jan 7 2029 |
| 4 | Jan 8 2029 |
| 5 | Jan 9 2029 |
| 6 | Jan 10 2029 |
| 7 | Jan 11 2029 |
| 8 | Jan 12 2029 |
| 9 | Jan 13 2029 |
| 10 | Jan 14 2029 |
| 11 | Jan 15 2029 |
| 12 | Jan 16 2029 |
| 13 | Jan 17 2029 |
| 14 | Jan 18 2029 |
| 15 | Jan 19 2029 |
| 16 | Jan 20 2029 |
| 17 | Jan 21 2029 |
| 18 | Jan 22 2029 |
| 19 | Jan 23 2029 |
| 20 | Jan 24 2029 |
| 21 | Jan 25 2029 |
| 22 | Jan 26 2029 |
| 23 | Jan 27 2029 |
| 24 | Jan 28 2029 |
| 25 | Jan 29 2029 |
| 26 | Jan 30 2029 |
| 27 | Jan 31 2029 |
| 28 | Feb 1 2029 |
| 29 | Feb 2 2029 |
| 30 | Feb 3 2029 |
| Bred | Due |
|---|---|
| 1 | Feb 4 2029 |
| 2 | Feb 5 2029 |
| 3 | Feb 6 2029 |
| 4 | Feb 7 2029 |
| 5 | Feb 8 2029 |
| 6 | Feb 9 2029 |
| 7 | Feb 10 2029 |
| 8 | Feb 11 2029 |
| 9 | Feb 12 2029 |
| 10 | Feb 13 2029 |
| 11 | Feb 14 2029 |
| 12 | Feb 15 2029 |
| 13 | Feb 16 2029 |
| 14 | Feb 17 2029 |
| 15 | Feb 18 2029 |
| 16 | Feb 19 2029 |
| 17 | Feb 20 2029 |
| 18 | Feb 21 2029 |
| 19 | Feb 22 2029 |
| 20 | Feb 23 2029 |
| 21 | Feb 24 2029 |
| 22 | Feb 25 2029 |
| 23 | Feb 26 2029 |
| 24 | Feb 27 2029 |
| 25 | Feb 28 2029 |
| 26 | Mar 1 2029 |
| 27 | Mar 2 2029 |
| 28 | Mar 3 2029 |
| 29 | Mar 4 2029 |
| 30 | Mar 5 2029 |
| 31 | Mar 6 2029 |
| Bred | Due |
|---|---|
| 1 | Mar 7 2029 |
| 2 | Mar 8 2029 |
| 3 | Mar 9 2029 |
| 4 | Mar 10 2029 |
| 5 | Mar 11 2029 |
| 6 | Mar 12 2029 |
| 7 | Mar 13 2029 |
| 8 | Mar 14 2029 |
| 9 | Mar 15 2029 |
| 10 | Mar 16 2029 |
| 11 | Mar 17 2029 |
| 12 | Mar 18 2029 |
| 13 | Mar 19 2029 |
| 14 | Mar 20 2029 |
| 15 | Mar 21 2029 |
| 16 | Mar 22 2029 |
| 17 | Mar 23 2029 |
| 18 | Mar 24 2029 |
| 19 | Mar 25 2029 |
| 20 | Mar 26 2029 |
| 21 | Mar 27 2029 |
| 22 | Mar 28 2029 |
| 23 | Mar 29 2029 |
| 24 | Mar 30 2029 |
| 25 | Mar 31 2029 |
| 26 | Apr 1 2029 |
| 27 | Apr 2 2029 |
| 28 | Apr 3 2029 |
| 29 | Apr 4 2029 |
| 30 | Apr 5 2029 |
| Bred | Due |
|---|---|
| 1 | Apr 6 2029 |
| 2 | Apr 7 2029 |
| 3 | Apr 8 2029 |
| 4 | Apr 9 2029 |
| 5 | Apr 10 2029 |
| 6 | Apr 11 2029 |
| 7 | Apr 12 2029 |
| 8 | Apr 13 2029 |
| 9 | Apr 14 2029 |
| 10 | Apr 15 2029 |
| 11 | Apr 16 2029 |
| 12 | Apr 17 2029 |
| 13 | Apr 18 2029 |
| 14 | Apr 19 2029 |
| 15 | Apr 20 2029 |
| 16 | Apr 21 2029 |
| 17 | Apr 22 2029 |
| 18 | Apr 23 2029 |
| 19 | Apr 24 2029 |
| 20 | Apr 25 2029 |
| 21 | Apr 26 2029 |
| 22 | Apr 27 2029 |
| 23 | Apr 28 2029 |
| 24 | Apr 29 2029 |
| 25 | Apr 30 2029 |
| 26 | May 1 2029 |
| 27 | May 2 2029 |
| 28 | May 3 2029 |
| 29 | May 4 2029 |
| 30 | May 5 2029 |
| 31 | May 6 2029 |
| Bred | Due |
|---|---|
| 1 | May 7 2029 |
| 2 | May 8 2029 |
| 3 | May 9 2029 |
| 4 | May 10 2029 |
| 5 | May 11 2029 |
| 6 | May 12 2029 |
| 7 | May 13 2029 |
| 8 | May 14 2029 |
| 9 | May 15 2029 |
| 10 | May 16 2029 |
| 11 | May 17 2029 |
| 12 | May 18 2029 |
| 13 | May 19 2029 |
| 14 | May 20 2029 |
| 15 | May 21 2029 |
| 16 | May 22 2029 |
| 17 | May 23 2029 |
| 18 | May 24 2029 |
| 19 | May 25 2029 |
| 20 | May 26 2029 |
| 21 | May 27 2029 |
| 22 | May 28 2029 |
| 23 | May 29 2029 |
| 24 | May 30 2029 |
| 25 | May 31 2029 |
| 26 | Jun 1 2029 |
| 27 | Jun 2 2029 |
| 28 | Jun 3 2029 |
| 29 | Jun 4 2029 |
| 30 | Jun 5 2029 |
| 31 | Jun 6 2029 |
| Bred | Due |
|---|---|
| 1 | Jun 7 2029 |
| 2 | Jun 8 2029 |
| 3 | Jun 9 2029 |
| 4 | Jun 10 2029 |
| 5 | Jun 11 2029 |
| 6 | Jun 12 2029 |
| 7 | Jun 13 2029 |
| 8 | Jun 14 2029 |
| 9 | Jun 15 2029 |
| 10 | Jun 16 2029 |
| 11 | Jun 17 2029 |
| 12 | Jun 18 2029 |
| 13 | Jun 19 2029 |
| 14 | Jun 20 2029 |
| 15 | Jun 21 2029 |
| 16 | Jun 22 2029 |
| 17 | Jun 23 2029 |
| 18 | Jun 24 2029 |
| 19 | Jun 25 2029 |
| 20 | Jun 26 2029 |
| 21 | Jun 27 2029 |
| 22 | Jun 28 2029 |
| 23 | Jun 29 2029 |
| 24 | Jun 30 2029 |
| 25 | Jul 1 2029 |
| 26 | Jul 2 2029 |
| 27 | Jul 3 2029 |
| 28 | Jul 4 2029 |
| 29 | Jul 5 2029 |
| 30 | Jul 6 2029 |
| Bred | Due |
|---|---|
| 1 | Jul 7 2029 |
| 2 | Jul 8 2029 |
| 3 | Jul 9 2029 |
| 4 | Jul 10 2029 |
| 5 | Jul 11 2029 |
| 6 | Jul 12 2029 |
| 7 | Jul 13 2029 |
| 8 | Jul 14 2029 |
| 9 | Jul 15 2029 |
| 10 | Jul 16 2029 |
| 11 | Jul 17 2029 |
| 12 | Jul 18 2029 |
| 13 | Jul 19 2029 |
| 14 | Jul 20 2029 |
| 15 | Jul 21 2029 |
| 16 | Jul 22 2029 |
| 17 | Jul 23 2029 |
| 18 | Jul 24 2029 |
| 19 | Jul 25 2029 |
| 20 | Jul 26 2029 |
| 21 | Jul 27 2029 |
| 22 | Jul 28 2029 |
| 23 | Jul 29 2029 |
| 24 | Jul 30 2029 |
| 25 | Jul 31 2029 |
| 26 | Aug 1 2029 |
| 27 | Aug 2 2029 |
| 28 | Aug 3 2029 |
| 29 | Aug 4 2029 |
| 30 | Aug 5 2029 |
| 31 | Aug 6 2029 |
| Bred | Due |
|---|---|
| 1 | Aug 7 2029 |
| 2 | Aug 8 2029 |
| 3 | Aug 9 2029 |
| 4 | Aug 10 2029 |
| 5 | Aug 11 2029 |
| 6 | Aug 12 2029 |
| 7 | Aug 13 2029 |
| 8 | Aug 14 2029 |
| 9 | Aug 15 2029 |
| 10 | Aug 16 2029 |
| 11 | Aug 17 2029 |
| 12 | Aug 18 2029 |
| 13 | Aug 19 2029 |
| 14 | Aug 20 2029 |
| 15 | Aug 21 2029 |
| 16 | Aug 22 2029 |
| 17 | Aug 23 2029 |
| 18 | Aug 24 2029 |
| 19 | Aug 25 2029 |
| 20 | Aug 26 2029 |
| 21 | Aug 27 2029 |
| 22 | Aug 28 2029 |
| 23 | Aug 29 2029 |
| 24 | Aug 30 2029 |
| 25 | Aug 31 2029 |
| 26 | Sep 1 2029 |
| 27 | Sep 2 2029 |
| 28 | Sep 3 2029 |
| 29 | Sep 4 2029 |
| 30 | Sep 5 2029 |
| Bred | Due |
|---|---|
| 1 | Sep 6 2029 |
| 2 | Sep 7 2029 |
| 3 | Sep 8 2029 |
| 4 | Sep 9 2029 |
| 5 | Sep 10 2029 |
| 6 | Sep 11 2029 |
| 7 | Sep 12 2029 |
| 8 | Sep 13 2029 |
| 9 | Sep 14 2029 |
| 10 | Sep 15 2029 |
| 11 | Sep 16 2029 |
| 12 | Sep 17 2029 |
| 13 | Sep 18 2029 |
| 14 | Sep 19 2029 |
| 15 | Sep 20 2029 |
| 16 | Sep 21 2029 |
| 17 | Sep 22 2029 |
| 18 | Sep 23 2029 |
| 19 | Sep 24 2029 |
| 20 | Sep 25 2029 |
| 21 | Sep 26 2029 |
| 22 | Sep 27 2029 |
| 23 | Sep 28 2029 |
| 24 | Sep 29 2029 |
| 25 | Sep 30 2029 |
| 26 | Oct 1 2029 |
| 27 | Oct 2 2029 |
| 28 | Oct 3 2029 |
| 29 | Oct 4 2029 |
| 30 | Oct 5 2029 |
| 31 | Oct 6 2029 |
Frequently Asked Questions
How long is an African elephant pregnant?
An African elephant is pregnant for 645 days on average, which is 92 weeks and 1 day, or about 21 months. The normal range is 640 to 660 days. Use the African elephant gestation calculator for your animal’s date.
How many days is the pregnancy of an African elephant?
The average is 645 days. The shortest normal pregnancy is 640 days and the longest is 660 days, a spread of 20 days.
How do I calculate the due date?
Add 645 days to the mating date. An African elephant with a mating date of 1 March 2026 is due on 6 December 2027, within a range from 1 December 2027 to 21 December 2027. The calculator does the arithmetic for any date.
How accurate is the calculator?
The calculator gives an estimate from the published average. A normal pregnancy ends between day 640 and day 660. A veterinarian can give a more precise date for your animal.
How many young does an African elephant have?
Each birth produces 1 calf.
What are the key dates in the pregnancy?
The calculator dates 5 milestones: day 60, pregnancy detectable from faecal or urinary hormone monitoring; day 240, ultrasound in managed care tracks calf growth and viability; day 480, progesterone levels remain high; calf grows rapidly; day 630, progesterone drops sharply — birth is normally within 2 to 5 days; day 645, expected calving. The timeline table above lists each one.
When is the expected calving date?
The expected calving date is day 645, which is 92 weeks and 1 day, or about 21 months after the mating date.
How does the pregnancy compare with other animals?
At 645 days the African elephant carries its young longer than a human (280 days) and longer than a dog (63 days). The home page lists the gestation period of all 75 animals.
Is the calculator veterinary advice?
No. The calculator provides estimates for planning only. Every animal is different. Consult a qualified veterinarian about your animal’s pregnancy, health and calving, and contact a veterinarian immediately in an emergency.
Find Your African elephant’s Due Date Now
Enter the mating date and receive the calving date, the 640–660 day range and the milestones in seconds.
Read our Disclaimer, Privacy Policy and Terms of Use, or return to the Animal Gestation Calculator home page.
Important notice: All dates and figures are estimates for planning only and are not veterinary advice. Consult a qualified veterinarian.