Dog Food Calculator
Calculate how much food your dog needs daily based on weight, age, and activity level.
By Konstantin Iakovlev · Updated April 2026 · Source: BLS
Daily Calories Needed
1,051
kcal per day
Cups per Day
3.0
Meals per Day
2
Cups per Meal
1.5
Feeding Schedule
| Morning | 1.5 cups |
| Evening | 1.5 cups |
Monthly Estimates
| Food Needed | 22.5 lbs |
| 30-lb Bags | 0.8 |
| Est. Monthly Cost | $56.28 |
These are general estimates. Consult your veterinarian for personalized feeding recommendations, especially for puppies, senior dogs, or dogs with health conditions.
Use the Dog Food Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
How It Works
Getting your dog's daily portion right is one of the simplest levers you have over their long-term health. Feed too much or too little and problems follow, with veterinary spending on obesity-related conditions projected to top $4.5 billion a year by 2026. The portion estimate here aims to keep your dog at a healthy weight and spare you those avoidable medical bills.
The calculation draws on current 2026 veterinary guidance for Canine Energy Requirements (CER), which start from a dog's Resting Energy Requirement (RER) and multiply it by an Activity Factor (AF). RER comes from the formula 70 * (Body Weight in kg)^0.75. The Activity Factor ranges from 1.0 for an inactive, neutered dog up to 2.0 for a hard-working, highly active one, and accounts for age and reproductive status along the way.
Any dog with a medical condition or unusual nutritional needs deserves a conversation with your veterinarian before you fix a feeding plan. The numbers printed on a food bag are broad averages and tend to run high, which is a common path to gradual weight gain. Revisit the portion whenever your dog gets older or their activity changes, since needs that fit last year may not fit today.
Example: Feeding a 25kg, moderately active, 3-year-old Spayed Female Labrador
- 1 Input: Weight = 25 kg, Age = 3 years (Adult), Activity Level = Moderate (AF = 1.6), Spayed.
- 2 Calculation: RER = 70 * (25)^0.75 ≈ 70 * 11.18 ≈ 782.6 kcal/day. Daily Energy Requirement (DER) = RER * AF = 782.6 kcal/day * 1.6 ≈ 1252.16 kcal/day. If dog food has 350 kcal/cup, then 1252.16 / 350 ≈ 3.58 cups/day.
- 3 Result: Approximately 1250-1260 calories per day, which translates to about 3.5 to 3.6 cups of a typical dog food (e.g., 350 kcal/cup).
- 4 Context: This amount ensures your Labrador maintains a healthy weight and energy level. Monitor your dog's body condition regularly and adjust food slightly as needed, aiming for a visible waist and palpable ribs without being prominent.
Source: BLS · Last updated: April 2026
Frequently Asked Questions
How much should I feed my dog per day?
Should I feed my dog once or twice a day?
How do I know if I am overfeeding my dog?
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