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Cat Calculators

Cat Calorie Calculator

Daily calories for a cat, with safe weight-loss targets and treat allowance.

Enter values

Results update as you type.

Result

Daily calories

302 kcal

From main food
272 kcal
Treat allowance
30 kcal
Resting energy requirement
251 kcal
Weight to lose
1 kg
Safe loss rate
0.055 kg per week
Weeks to the ideal weight
18

About the Cat Calorie Calculator

Daily calories for a cat, with safe weight-loss targets and treat allowance.

Also known as: cat calories per day, feline energy requirement, cat weight loss calories, overweight cat diet.

How to use this calculator

  1. Enter current weight, ideal weight, goal, status and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

RER = 70 × weight^0.75, then × status factor (or × 0.8 for weight loss)

Worked example

Using the values pre-filled in the calculator above:

  • Current weight = 5.5 kg
  • Ideal weight = 4.5 kg
  • Goal: Maintain
  • Status: Neutered indoor (1.2)
  • Treats allowance = 10 %

the calculator returns:

  • Daily calories: 302 kcal
  • From main food: 272 kcal
  • Treat allowance: 30 kcal
  • Resting energy requirement: 251 kcal