Free tool

Guinea Pig Gestation Calculator

A Guinea Pig pregnancy lasts on average 65 days — about 9 weeks. Enter the breeding date below to estimate the due date.

Estimate the date

Guinea Pig breeding facts

Average gestation period
65 days (about 9 weeks)
Age of sexual maturity
2 months
Typical litter size
3
Scientific name
Cavia porcellus

Common Guinea Pig breeds

  • Abyssinian Guinea Pig
  • Peruvian Guinea Pig

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These figures are species averages — actual timing varies with breed, age and individual animal. Use the estimate as a planning guide, not a veterinary diagnosis.

Managing a whole herd or flock?

AniCore tracks breeding, due and hatch dates for every animal automatically — no spreadsheets, no manual counting.

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