Cavy Gestation Calculator
Are you a guinea pig owner and have a pregnant guinea pig or cavy? You need to know when your pregnant sow (adult female guinea pig) will give birth.
With the following cavy/guinea pig gestation period calculator, you will find it easier and faster to determine the estimated due date for your pregnant cavy to deliver her pups. To calculate the gestation period in a guinea pig using this calculator, select the day the cavy was bred and click the calculate button. The farrowing date would be displayed instantly.
How Long are Guinea Pigs Pregnant?
The gestation period in guinea pigs is 59 – 72 days from the first day of mating. They have an average gestation period of 66 days.
Breeds of Guinea Pigs
You can also use this cavy or guinea pig gestation period calculator for these guinea pig breeds.
| Abyssinian | Abyssinian Satin |
| American | American Satin |
| Coronet | Peruvian |
| Peruvian Satin | Silkie |
| Silkie Satin | Teddy |
| Teddy Satin | Texel |
| White Crested |
Guinea Pig Gestation Table / Chart
Another useful tool and an alternative to an online cavy gestation calculator is the gestation chart/table. It could be used to determine the date of farrowing for a pregnant guinea pig.
The guinea pig gestation table could also be called any of the following:
- Cavy gestation chart
- Cavy gestation calendar
- Guinea pig gestation chart
- Guinea pig gestation calendar
This due date table is based on a 66-day Gestation Period.
Guinea Pig Gestation Table
Based on a 66-Day Gestation Period| Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date | Date Bred | Farrowing Date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-Jan | 8-Mar | 1-Feb | 8-Apr | 1-Mar | 6-May | 1-Apr | 6-Jun | 1-May | 6-Jul | 1-Jun | 6-Aug | 1-Jul | 5-Sep | 1-Aug | 6-Oct | 1-Sep | 6-Nov | 1-Oct | 6-Dec | 1-Nov | 6-Jan | 1-Dec | 5-Feb |
| 2-Jan | 9-Mar | 2-Feb | 9-Apr | 2-Mar | 7-May | 2-Apr | 7-Jun | 2-May | 7-Jul | 2-Jun | 7-Aug | 2-Jul | 6-Sep | 2-Aug | 7-Oct | 2-Sep | 7-Nov | 2-Oct | 7-Dec | 2-Nov | 7-Jan | 2-Dec | 6-Feb |
| 3-Jan | 10-Mar | 3-Feb | 10-Apr | 3-Mar | 8-May | 3-Apr | 8-Jun | 3-May | 8-Jul | 3-Jun | 8-Aug | 3-Jul | 7-Sep | 3-Aug | 8-Oct | 3-Sep | 8-Nov | 3-Oct | 8-Dec | 3-Nov | 8-Jan | 3-Dec | 7-Feb |
| 4-Jan | 11-Mar | 4-Feb | 11-Apr | 4-Mar | 9-May | 4-Apr | 9-Jun | 4-May | 9-Jul | 4-Jun | 9-Aug | 4-Jul | 8-Sep | 4-Aug | 9-Oct | 4-Sep | 9-Nov | 4-Oct | 9-Dec | 4-Nov | 9-Jan | 4-Dec | 8-Feb |
| 5-Jan | 12-Mar | 5-Feb | 12-Apr | 5-Mar | 10-May | 5-Apr | 10-Jun | 5-May | 10-Jul | 5-Jun | 10-Aug | 5-Jul | 9-Sep | 5-Aug | 10-Oct | 5-Sep | 10-Nov | 5-Oct | 10-Dec | 5-Nov | 10-Jan | 5-Dec | 9-Feb |
| 6-Jan | 13-Mar | 6-Feb | 13-Apr | 6-Mar | 11-May | 6-Apr | 11-Jun | 6-May | 11-Jul | 6-Jun | 11-Aug | 6-Jul | 10-Sep | 6-Aug | 11-Oct | 6-Sep | 11-Nov | 6-Oct | 11-Dec | 6-Nov | 11-Jan | 6-Dec | 10-Feb |
| 7-Jan | 14-Mar | 7-Feb | 14-Apr | 7-Mar | 12-May | 7-Apr | 12-Jun | 7-May | 12-Jul | 7-Jun | 12-Aug | 7-Jul | 11-Sep | 7-Aug | 12-Oct | 7-Sep | 12-Nov | 7-Oct | 12-Dec | 7-Nov | 12-Jan | 7-Dec | 11-Feb |
| 8-Jan | 15-Mar | 8-Feb | 15-Apr | 8-Mar | 13-May | 8-Apr | 13-Jun | 8-May | 13-Jul | 8-Jun | 13-Aug | 8-Jul | 12-Sep | 8-Aug | 13-Oct | 8-Sep | 13-Nov | 8-Oct | 13-Dec | 8-Nov | 13-Jan | 8-Dec | 12-Feb |
| 9-Jan | 16-Mar | 9-Feb | 16-Apr | 9-Mar | 14-May | 9-Apr | 14-Jun | 9-May | 14-Jul | 9-Jun | 14-Aug | 9-Jul | 13-Sep | 9-Aug | 14-Oct | 9-Sep | 14-Nov | 9-Oct | 14-Dec | 9-Nov | 14-Jan | 9-Dec | 13-Feb |
| 10-Jan | 17-Mar | 10-Feb | 17-Apr | 10-Mar | 15-May | 10-Apr | 15-Jun | 10-May | 15-Jul | 10-Jun | 15-Aug | 10-Jul | 14-Sep | 10-Aug | 15-Oct | 10-Sep | 15-Nov | 10-Oct | 15-Dec | 10-Nov | 15-Jan | 10-Dec | 14-Feb |
| 11-Jan | 18-Mar | 11-Feb | 18-Apr | 11-Mar | 16-May | 11-Apr | 16-Jun | 11-May | 16-Jul | 11-Jun | 16-Aug | 11-Jul | 15-Sep | 11-Aug | 16-Oct | 11-Sep | 16-Nov | 11-Oct | 16-Dec | 11-Nov | 16-Jan | 11-Dec | 15-Feb |
| 12-Jan | 19-Mar | 12-Feb | 19-Apr | 12-Mar | 17-May | 12-Apr | 17-Jun | 12-May | 17-Jul | 12-Jun | 17-Aug | 12-Jul | 16-Sep | 12-Aug | 17-Oct | 12-Sep | 17-Nov | 12-Oct | 17-Dec | 12-Nov | 17-Jan | 12-Dec | 16-Feb |
| 13-Jan | 20-Mar | 13-Feb | 20-Apr | 13-Mar | 18-May | 13-Apr | 18-Jun | 13-May | 18-Jul | 13-Jun | 18-Aug | 13-Jul | 17-Sep | 13-Aug | 18-Oct | 13-Sep | 18-Nov | 13-Oct | 18-Dec | 13-Nov | 18-Jan | 13-Dec | 17-Feb |
| 14-Jan | 21-Mar | 14-Feb | 21-Apr | 14-Mar | 19-May | 14-Apr | 19-Jun | 14-May | 19-Jul | 14-Jun | 19-Aug | 14-Jul | 18-Sep | 14-Aug | 19-Oct | 14-Sep | 19-Nov | 14-Oct | 19-Dec | 14-Nov | 19-Jan | 14-Dec | 18-Feb |
| 15-Jan | 22-Mar | 15-Feb | 22-Apr | 15-Mar | 20-May | 15-Apr | 20-Jun | 15-May | 20-Jul | 15-Jun | 20-Aug | 15-Jul | 19-Sep | 15-Aug | 20-Oct | 15-Sep | 20-Nov | 15-Oct | 20-Dec | 15-Nov | 20-Jan | 15-Dec | 19-Feb |
| 16-Jan | 23-Mar | 16-Feb | 23-Apr | 16-Mar | 21-May | 16-Apr | 21-Jun | 16-May | 21-Jul | 16-Jun | 21-Aug | 16-Jul | 20-Sep | 16-Aug | 21-Oct | 16-Sep | 21-Nov | 16-Oct | 21-Dec | 16-Nov | 21-Jan | 16-Dec | 20-Feb |
| 17-Jan | 24-Mar | 17-Feb | 24-Apr | 17-Mar | 22-May | 17-Apr | 22-Jun | 17-May | 22-Jul | 17-Jun | 22-Aug | 17-Jul | 21-Sep | 17-Aug | 22-Oct | 17-Sep | 22-Nov | 17-Oct | 22-Dec | 17-Nov | 22-Jan | 17-Dec | 21-Feb |
| 18-Jan | 25-Mar | 18-Feb | 25-Apr | 18-Mar | 23-May | 18-Apr | 23-Jun | 18-May | 23-Jul | 18-Jun | 23-Aug | 18-Jul | 22-Sep | 18-Aug | 23-Oct | 18-Sep | 23-Nov | 18-Oct | 23-Dec | 18-Nov | 23-Jan | 18-Dec | 22-Feb |
| 19-Jan | 26-Mar | 19-Feb | 26-Apr | 19-Mar | 24-May | 19-Apr | 24-Jun | 19-May | 24-Jul | 19-Jun | 24-Aug | 19-Jul | 23-Sep | 19-Aug | 24-Oct | 19-Sep | 24-Nov | 19-Oct | 24-Dec | 19-Nov | 24-Jan | 19-Dec | 23-Feb |
| 20-Jan | 27-Mar | 20-Feb | 27-Apr | 20-Mar | 25-May | 20-Apr | 25-Jun | 20-May | 25-Jul | 20-Jun | 25-Aug | 20-Jul | 24-Sep | 20-Aug | 25-Oct | 20-Sep | 25-Nov | 20-Oct | 25-Dec | 20-Nov | 25-Jan | 20-Dec | 24-Feb |
| 21-Jan | 28-Mar | 21-Feb | 28-Apr | 21-Mar | 26-May | 21-Apr | 26-Jun | 21-May | 26-Jul | 21-Jun | 26-Aug | 21-Jul | 25-Sep | 21-Aug | 26-Oct | 21-Sep | 26-Nov | 21-Oct | 26-Dec | 21-Nov | 26-Jan | 21-Dec | 25-Feb |
| 22-Jan | 29-Mar | 22-Feb | 29-Apr | 22-Mar | 27-May | 22-Apr | 27-Jun | 22-May | 27-Jul | 22-Jun | 27-Aug | 22-Jul | 26-Sep | 22-Aug | 27-Oct | 22-Sep | 27-Nov | 22-Oct | 27-Dec | 22-Nov | 27-Jan | 22-Dec | 26-Feb |
| 23-Jan | 30-Mar | 23-Feb | 30-Apr | 23-Mar | 28-May | 23-Apr | 28-Jun | 23-May | 28-Jul | 23-Jun | 28-Aug | 23-Jul | 27-Sep | 23-Aug | 28-Oct | 23-Sep | 28-Nov | 23-Oct | 28-Dec | 23-Nov | 28-Jan | 23-Dec | 27-Feb |
| 24-Jan | 31-Mar | 24-Feb | 1-May | 24-Mar | 29-May | 24-Apr | 29-Jun | 24-May | 29-Jul | 24-Jun | 29-Aug | 24-Jul | 28-Sep | 24-Aug | 29-Oct | 24-Sep | 29-Nov | 24-Oct | 29-Dec | 24-Nov | 29-Jan | 24-Dec | 28-Feb |
| 25-Jan | 1-Apr | 25-Feb | 2-May | 25-Mar | 30-May | 25-Apr | 30-Jun | 25-May | 30-Jul | 25-Jun | 30-Aug | 25-Jul | 29-Sep | 25-Aug | 30-Oct | 25-Sep | 30-Nov | 25-Oct | 30-Dec | 25-Nov | 30-Jan | 25-Dec | 1-Mar |
| 26-Jan | 2-Apr | 26-Feb | 3-May | 26-Mar | 31-May | 26-Apr | 1-Jul | 26-May | 31-Jul | 26-Jun | 31-Aug | 26-Jul | 30-Sep | 26-Aug | 31-Oct | 26-Sep | 1-Dec | 26-Oct | 31-Dec | 26-Nov | 31-Jan | 26-Dec | 2-Mar |
| 27-Jan | 3-Apr | 27-Feb | 4-May | 27-Mar | 1-Jun | 27-Apr | 2-Jul | 27-May | 1-Aug | 27-Jun | 1-Sep | 27-Jul | 1-Oct | 27-Aug | 1-Nov | 27-Sep | 2-Dec | 27-Oct | 1-Jan | 27-Nov | 1-Feb | 27-Dec | 3-Mar |
| 28-Jan | 4-Apr | 28-Feb | 5-May | 28-Mar | 2-Jun | 28-Apr | 3-Jul | 28-May | 2-Aug | 28-Jun | 2-Sep | 28-Jul | 2-Oct | 28-Aug | 2-Nov | 28-Sep | 3-Dec | 28-Oct | 2-Jan | 28-Nov | 2-Feb | 28-Dec | 4-Mar |
| 29-Jan | 5-Apr | 29-Mar | 3-Jun | 29-Apr | 4-Jul | 29-May | 3-Aug | 29-Jun | 3-Sep | 29-Jul | 3-Oct | 29-Aug | 3-Nov | 29-Sep | 4-Dec | 29-Oct | 3-Jan | 29-Nov | 3-Feb | 29-Dec | 5-Mar | ||
| 30-Jan | 6-Apr | 30-Mar | 4-Jun | 30-Apr | 5-Jul | 30-May | 4-Aug | 30-Jun | 4-Sep | 30-Jul | 4-Oct | 30-Aug | 4-Nov | 30-Sep | 5-Dec | 30-Oct | 4-Jan | 30-Nov | 4-Feb | 30-Dec | 6-Mar | ||
| 31-Jan | 7-Apr | 31-Mar | 5-Jun | 31-May | 5-Aug | 31-Jul | 5-Oct | 31-Aug | 5-Nov | 31-Oct | 5-Jan | 31-Dec | 7-Mar |
