Dog Food Calculator

Your quick and accurate feeding guide for puppies, adults, and seniors. Calculate daily calories, grams, cups, and per-meal amounts based on your dog’s weight, activity level, and diet type.

Your Dog

Units

kg / cm lb / inch

Body Weight (kg) Enter current or ideal body weight. For weight loss, use ideal weight.

Life Stage

Activity Level: Average

SedentaryLowAverageActiveAthlete

Adjusts the daily calorie multiplier (MER).

Body Condition BCS tweak: Lean +5%, Overweight −10% calories.

Feeding Type

Diet

Kcal per cup (dry) Check your bag (typical 320–420 kcal/cup).

Grams per cup Weigh 1 cup of your kibble for best accuracy.

Meals per day

Results

Calories

— kcal/day

RER: — kcal • MER factor: —

Food Amount (per day)

— g • — cups

Per meal: —

Shopping Planner

— g / week • — g / 30 days

That’s — × 12 kg bags / month (approx.)

How this calculator works

We estimate your dog’s daily calories using the Resting Energy Requirement (RER = 70 × BW^0.75) multiplied by life-stage and activity factors (MER). We then convert calories to grams/cups using the energy density of your selected food.

Puppies: 2–4 mo ≈ 3.0× RER • 4–12 mo ≈ 2.0× RER
Adults: Sedentary 1.2× • Low 1.4× • Average 1.6× • Active 2.0× • Athlete 2.8×
Seniors: Typically 1.3–1.5× depending on activity.

Dog Food Calculator FAQs

Should I use current or ideal weight?

Use ideal weight if your dog needs to gain or lose weight. Otherwise, use current weight.

How many meals per day?

Most adults do well with 2 meals/day. Puppies often need 3–4 smaller meals.

What if my kibble’s calories per cup are unknown?

Check the bag or the brand’s website. If unsure, start with 360 kcal/cup and adjust based on body condition after 2–3 weeks.

Is raw feeding amount based on % body weight?

Yes. Adults commonly eat 2–3% of body weight per day. Puppies may need 5–10% split across more meals.