1. Basic Information
Is your guinea pig neutered?
Usually rare but done in mixed flocks; affects metabolic rate.
Use our Guinea Pig Calorie Calculator to estimate how many calories your guinea pig may need each day based on weight, age, activity level, and life stage.
This tool helps guinea pig owners make informed feeding decisions that support healthy weight, proper nutrition, digestive health, and long-term wellbeing.
1. Basic Information
Is your guinea pig neutered?
Usually rare but done in mixed flocks; affects metabolic rate.
2. Body Condition Score
5 / 9
Current interpretation: Ideal range
3. Lifestyle & Activity
Include Veg & Fruit Allowance
Fresh greens and treats capped at 10% of daily calories.
After entering your guinea pig's details, the Guinea Pig Calorie Calculator estimates a daily calorie target tailored to your pet's needs.
For guinea pigs within this calorie range:
For more nutrition guidance, explore our Guinea Pig Feeding Guide and Best Guinea Pig Food Guide.

Provide your guinea pig's current body weight for the most accurate estimate.
Choose the body condition that best reflects your guinea pig's current shape.
Activity levels may vary based on enclosure size, exercise opportunities, and age.
The calculator instantly estimates your guinea pig's daily calorie requirement.