Feeding your dog the right amount is not just about filling the bowl. Many owners rely on guesswork, which often leads to overfeeding or underfeeding.
A dog feeding chart by weight shows roughly how much food your dog needs based on body size. Charts alone are not enough, though, unless you know how to use them and when to adjust.
This guide explains how to read the chart, adjust portions, and avoid common mistakes.
Why Weight-Based Feeding Matters
Every dog has different nutritional needs, but body weight is the most reliable starting point. Feeding by weight helps you:
- Maintain a healthy body condition
- Prevent obesity and related diseases
- Keep energy levels steady
- Support long-term health
Dogs that are fed incorrectly often develop weight issues that affect their lifespan.
Dog Feeding Chart by Weight (kg)
The ranges below are for a healthy adult dog eating a typical dry food of about 370 kcal per 100 g. The low end suits a less active or neutered couch-lover; the high end suits a typical active adult. They come from the vet formula RER = 70 × (weight in kg)^0.75, multiplied by 1.2–1.6.
| Dog Weight | Daily Dry Food | Meals Per Day |
|---|
| 5 kg | 75–100 g | 2 |
| 10 kg | 130–170 g | 2 |
| 15 kg | 175–230 g | 2 |
| 20 kg | 215–285 g | 2 |
| 25 kg | 255–340 g | 2 |
| 30 kg | 290–390 g | 2 |
| 40 kg | 360–480 g | 2 |
| 50 kg | 425–570 g | 2 |
Foods vary a lot in calorie density. If your food is richer or leaner than 370 kcal per 100 g, scale the grams to match, or use the Dog Food Calculator with your food's exact kcal value from the bag.
How to Measure Dog Food Correctly
One of the biggest mistakes dog owners make is not measuring food properly. To stay accurate:
- Use a kitchen scale, or at least a real measuring cup
- Measure in grams rather than guessing by eye
- Check the calorie statement on the packaging
- Avoid scooping with mugs or random containers
Even small differences in portion size add up to weight changes over time.
Adjusting Portions Based on Dog Size
Small dogs have faster metabolisms and need more calories per kilogram than big dogs.
Medium dogs usually do well on standard portions.
Large dogs eat bigger portions overall but fewer calories per kilogram than small dogs.
Meal Timing
Most adult dogs should be fed twice daily. This helps:
- Improve digestion
- Keep energy levels stable
- Prevent overeating
Avoid feeding once a day or leaving food out all day.
Factors That Change Food Intake
Activity level. Active dogs need more food than less active ones.
Age. Puppies need more food per kilogram; senior dogs usually need less.
Health. Medical conditions can change appetite and nutrition needs, so check with your vet.
When to Adjust the Amount
Review your dog's portions regularly.
Increase food if your dog is losing weight or has low energy. Decrease food if your dog is gaining weight or activity has dropped. Change portions gradually, by about 10% at a time, to avoid digestive upset.
If your dog needs to actually lose weight rather than just have portions trimmed slightly, the Dog Feeding Calculator's weight loss mode builds a full reduced-calorie plan around your dog's current weight instead of scaling down the chart above.
Dry Food vs Wet Food
- Dry food is easier to measure and is what feeding charts are usually based on.
- Wet food contains much more moisture, so portions are larger for the same calories.
- Always compare calories per serving instead of relying on volume.
Common Feeding Mistakes
- Overestimating portion sizes
- Feeding by guesswork
- Giving too many treats
- Not adjusting for lifestyle changes
- Not tracking weight
Tracking Your Dog's Progress
Check your dog's body shape, weight, energy and appetite every few weeks, and make small adjustments when needed.
Use a Calculator for Better Accuracy
Charts give general guidance but can't replace a calculation for your specific dog and food. The Dog Food Calculator works out exact portions from your dog's details.
If your dog is still growing, the Dog Food Calculator by Weight & Age factors in age alongside current weight, so the recommendation adjusts as a puppy grows rather than staying fixed to one chart row.
→ Use the Dog Food Calculator
