Rabbit Daily Diet Calculator
Calculate the ideal daily diet for your pet rabbit.
Get recommended portions of hay, pellets, fresh vegetables, and water based on weight and age.
Rabbit Nutritional Needs
Rabbits have a unique digestive system that requires a very specific diet to stay healthy. Unlike cats or dogs, rabbits are strict herbivores and their gut needs a constant supply of fiber to keep moving. The wrong diet is the leading cause of preventable illness in pet rabbits.
The four components of a healthy rabbit diet:
1. Hay — Unlimited (the most important food) Hay must make up 80–85% of a rabbit’s diet by volume. For adult rabbits (over 7 months), Timothy hay is the gold standard. Oat hay and meadow hay are also excellent. Alfalfa hay is only appropriate for young rabbits under 7 months or underweight adults — it is too high in calcium and protein for healthy adults. Rule of thumb: provide a pile of hay roughly the size of your rabbit’s body each day.
2. Pellets — Small supplemental amounts Pellets are a concentrated supplement, not a staple. They provide nutrients that hay alone may be short on. Adult guideline: 1/4 cup per 2.3 kg (5 lbs) of body weight per day. Young rabbits under 7 months can have unlimited pellets. Senior rabbits may need slightly more pellets if they lose condition.
Choose plain, high-fiber pellets (18%+ fiber). Avoid muesli-style mixes with seeds, corn, or dried fruit — rabbits pick out the sugary pieces and leave the rest.
3. Fresh Vegetables Adults: approximately 1 cup of leafy greens per 1 kg of body weight per day. Introduce new vegetables slowly (one at a time) to avoid digestive upset.
Safe leafy greens: Romaine lettuce, green/red leaf lettuce, arugula, kale (in moderation), spinach (in moderation), bok choy, cilantro, parsley, basil, dill, mint.
NEVER feed: Iceberg lettuce (no nutrition, causes diarrhea), chocolate, avocado, onion, garlic, rhubarb, raw beans, potatoes, or any sugary human food.
4. Water Rabbits need 50–150 mL of fresh water per kg of body weight per day, depending on diet moisture content. Fresh water must always be available. Both bottles and bowls work — bowls allow more natural drinking posture.
Weight reference table:
| Rabbit Weight | Pellets/day | Veggies/day | Water/day |
|---|---|---|---|
| 1 kg (2.2 lbs) | ~1 tbsp | ~1 cup | 50–150 mL |
| 2 kg (4.4 lbs) | ~2 tbsp | ~2 cups | 100–300 mL |
| 3 kg (6.6 lbs) | ~3 tbsp | ~3 cups | 150–450 mL |
| 4 kg (8.8 lbs) | ~4 tbsp | ~4 cups | 200–600 mL |