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Enter your chihuahua's weight to get personalised daily portions in grams and cups.
About the Chihuahua
Chihuahuas have very fast metabolisms and can be prone to hypoglycaemia if underfed. Small frequent meals are recommended.
Typical adult weight: 1.5–3 kg. This range is important — a Chihuahua at the lower end of the weight range needs significantly fewer calories than one at the upper end.
How many calories does a Chihuahua need?
We calculate calorie needs using the veterinary RER formula: 70 × weight(kg)⁰·⁷⁵, then multiply by a lifestyle factor. For a typical neutered adult Chihuahua, the lifestyle multiplier is approximately ×1.6.
| Weight | Daily kcal (neutered adult) | Dry kibble (3,700 kcal/kg) |
|---|---|---|
| 5 kg | 374 kcal | 101g / 0.8 cups |
| 10 kg | 630 kcal | 170g / 1.4 cups |
| 15 kg | 854 kcal | 231g / 1.9 cups |
| 20 kg | 1,059 kcal | 286g / 2.4 cups |
| 25 kg | 1,252 kcal | 338g / 2.8 cups |
| 30 kg | 1,436 kcal | 388g / 3.2 cups |
| 35 kg | 1,612 kcal | 436g / 3.6 cups |
| 40 kg | 1,781 kcal | 481g / 4.0 cups |
Practical feeding tips for Chihuahuas
- Weigh the food: Use a kitchen scale rather than a scoop — cup measurements are inaccurate and can vary by 20–30% depending on kibble size.
- Split into 2 meals: Most adult dogs do best with two meals per day. This reduces the risk of bloat (especially important for large breeds) and keeps blood sugar stable.
- Count treats: Treats should make up no more than 10% of daily calories. If your Chihuahua gets regular treats, subtract their calorie value from the daily food portion.
- Recalculate every few months: Body weight and lifestyle change. Recalculate whenever your dog's weight changes by more than 5%.
- Monitor body condition: You should be able to feel your Chihuahua's ribs with light pressure but not see them. A visible waist from above is a good sign of healthy weight.