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Dog food needs calculator

Dog food needs calculator: Pet values are rough planning estimates.

Your result

Complete the fields and calculate.

Calculation method and formula

Daily energy need [kcal] ÷ Food energy [kcal/100 g] × 100

Understand the inputs

Daily energy need
Unit: kcal. Minimum 1. Use a measured value or your own assumption.
Food energy
Unit: kcal/100 g. Minimum 1. Use a measured value or your own assumption.

Assumptions and limitations

Pet values are rough planning estimates. Food energy, body condition, growth, weather and illness affect needs. Ask a vet about individual feeding and fluid needs.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Daily energy need
750 kcal
Food energy
350 kcal/100 g
Example result214 g/day

Use the energy value on the food label and adjust for body condition and veterinary advice.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Dog food needs calculator work?+

Daily energy need [kcal] ÷ Food energy [kcal/100 g] × 100. Pet values are rough planning estimates. Food energy, body condition, growth, weather and illness affect needs. Ask a vet about individual feeding and fluid needs.

What assumptions should I consider for this result?+

Pet values are rough planning estimates. Food energy, body condition, growth, weather and illness affect needs. Ask a vet about individual feeding and fluid needs. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Health values are general information, not a diagnosis or personal treatment recommendation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

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