How Much Raw Food Should My Dog Eat? (Free Calculator by Weight)

The short version: most adult dogs eat about 2–3% of their ideal body weight in raw food per day. But that one line hides a lot, a 5-pound Chihuahua and a 90-pound Shepherd don’t share a percentage, a puppy eats roughly double what an adult of the same weight does, and “ideal” weight isn’t the number currently on the scale for an overweight dog. Getting it wrong means a dog that’s slowly gaining or quietly dropping condition. 

This guide How Much Raw Food Should My Dog Eat gives the exact percentages by weight and life stage, walks through the math, and points to a free calculator that does it instantly.

The Simple Rule: 2–3% of Ideal Body Weight

For a healthy adult dog at a good weight, the starting point is 2–3% of ideal body weight per day. Most dogs land somewhere in the middle, around 2.5%.

The word that matters most there is ideal. If a dog is carrying extra weight, the calculation should use the weight the dog should be, not the weight it is now, otherwise the diet just maintains the excess. For a dog at a healthy weight, current and ideal weight are the same, and the math is straightforward.

Here’s the basic formula:

Ideal weight × feeding percentage = daily food amount

A 50-pound dog at 2.5% needs about 1.25 pounds of raw food per day. Split that across one or two meals and that’s the bowl.

Feeding Percentage by Activity and Body Condition

The 2–3% range isn’t one-size-fits-all. Where a dog falls inside (or outside) that band depends on metabolism, age, and activity:

• Active or underweight adult: around 3% of ideal weight — these dogs burn more and need more
• Adult at ideal weight, normal activity: 2–2.5%, the sweet spot for most dogs
• Senior, less active, or overweight adult: about 1.5–2%, slower metabolism, lower needs

The takeaway: start with the percentage that matches the dog’s lifestyle, then adjust based on what the scale and the body show over the next few weeks.

Smaller Dogs Need a Higher Percentage

This trips up a lot of new raw feeders. Small dogs have faster metabolisms relative to their size, so they need a higher percentage of their body weight than big dogs. Larger dogs need a smaller percentage. A rough breakdown commonly used by raw feeders:

• Dogs up to 5 lbs: roughly 5–6% of ideal weight per day
• Dogs 6–10 lbs: about 4–5%
• Dogs 11–14 lbs: around 3–3.5%
• Dogs 15–20 lbs: about 2.5–3%
• Dogs over 20 lbs: settle into the standard 2–3% range

So a tiny dog isn’t just “a big dog scaled down”, proportionally, it eats more. This is exactly the kind of nuance a calculator handles without the headache.

How Much Raw Food for a Puppy? (How Much Raw Food Should My Dog Eat?)

Puppies are a different equation entirely, and the most common mistake is feeding them like small adults. A growing puppy eats far more for its size, and the amount changes almost weekly.

The cleanest way to think about it: feed a puppy roughly 2 to 3 times the amount an adult dog of the same current weight would eat. Translated into percentages, puppies generally need:

• 8 weeks to ~4 months: around 8–10% of current body weight per day (very young pups at the top of that)
• 4 to 6 months: about 6–8%, tapering down
• 6 to 12 months: roughly 4–6%, easing toward adult levels
• Around 12 months: transition toward the adult 2–3% of ideal weight

Because puppies grow so fast, the rule is to weigh weekly and recalculate, not set a number and forget it. Puppies should stay lean, a pudgy puppy puts unnecessary stress on developing joints, which matters even more for larger breeds.

How Often Should a Dog Eat Raw?

Meal frequency changes with age:

• Puppies up to ~16 weeks: split the daily amount across 4 meals
• 4 to 6 months: drop to 3 meals
• 6+ months and adults: 1–2 meals per day works for most dogs

Splitting an adult’s food into two meals can help with energy stability and comfort. One important rule: treats count toward the daily total, not on top of it. A generous treat habit means trimming the bowl to match, or the calories quietly add up.

A Quick Worked Example

Say a dog has an ideal weight of 40 pounds, normal activity, and a healthy body condition.

1. Pick the percentage: 2.5% for a normal-activity adult
2. Multiply: 40 lbs × 0.025 = 1 pound of raw food per day
3. Convert if it helps: 1 lb × 16 = 16 ounces per day (handy for smaller portions)
4. Scale up: about 7 lbs per week, roughly 30 lbs per month
5. Split: feed as two 8-ounce meals, or one 16-ounce meal

That’s the entire process. The calculator runs all five steps the moment a weight is entered, and lets the percentage be adjusted for activity or weight goals.

How to Find Your Dog’s Ideal Weight

Since the whole calculation rests on ideal weight, it’s worth getting that number right. Two reliable approaches:

Weigh the dog. For small and medium dogs, step on a scale alone, then again holding the dog, and subtract. Most vet clinics also offer free use of large-dog scales.

Use Body Condition Scoring. This is the method canine professionals rely on. A dog at ideal weight has ribs that are easy to feel but not see, a visible waist when viewed from above, and a tucked-up belly from the side. If the ribs are buried or the waist has vanished, the ideal weight is lower than the current weight, and that’s the number to feed to.

Adjust as You Go: The Most Important Step

No calculator, chart, or formula replaces watching the actual dog. Every guideline is a starting point, not a final answer, because metabolism and lifestyle vary from dog to dog.

Check body condition, energy, and stool quality every few weeks. Firm, consistent stool is a good sign the amount is right. Soft stool can mean too much (or too much organ); a dog losing condition needs more. It’s also normal for a dog switching from kibble to raw to drop a little weight at first, partly water weight, but ongoing loss means it’s time to bump the portion up.

One simple rhythm works well: weigh and reassess monthly for adults, weekly for puppies, and adjust the percentage up or down based on what’s actually happening.

How much raw food should a 50-pound dog eat?

A 50-pound adult dog at a healthy weight eats roughly 1 to 1.5 pounds of raw food per day (2–3% of body weight), or about 8 pounds a week. Active dogs trend higher; seniors and less active dogs trend lower.

Should I feed based on current or ideal weight?

Ideal weight for adults. Feeding an overweight dog based on its current weight just maintains the excess. Puppies are the exception, their fast growth means current weight is used and recalculated frequently.

Why is my raw-fed dog losing weight?

Some early weight loss after switching from kibble is normal and often water weight. If a dog keeps losing condition, the daily percentage is likely too low, increase it gradually and monitor. Persistent loss without an obvious cause is worth a vet visit.

Do treats count toward the daily amount?

Yes. Treats should be part of the total daily allowance, not added on top, or the extra calories can lead to weight gain over time.

The Bottom Line

Most adult dogs eat 2–3% of their ideal body weight in raw food daily, smaller dogs more, seniors less, and puppies a good deal more for their size. The formula is simple, but the real skill is using ideal weight, accounting for life stage and activity, and adjusting based on what the dog actually looks and feels like over time. Start with the percentage that fits, run the numbers, and tweak from there.

For puppies, pregnant or nursing dogs, seniors, and any dog with a health condition, it’s always worth confirming portions with a veterinarian or canine nutritionist, they can pin down the right amount for an individual dog far better than any average can.

These figures are general guidelines and not a substitute for professional veterinary advice.

Auston

Auston is the founder of Frenchie Nova and a longtime French Bulldog owner. He writes practical, research-backed guides on Frenchie care, feeding, and health. Not a veterinarian — always consult your vet for medical concerns.