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Is my dog overweight? How to check at home

You don't need a scale to spot a few extra pounds — a quick hands-on check tells you most of what you need to know. Here's how, using the score vets use.

By Emma Hart · NatBuddy editorial
July 4, 2026 · 5 min read
Is my dog overweight? How to check at home

The quickest way to tell isn't the scale — it's your hands. Vets judge weight with a body condition score, and you can do a simple version at home in under a minute by checking three things: the ribs, the waist and the tuck of the belly.

The three-part check

Ribs: run your hands along your dog's side — you should feel the ribs easily under a thin layer of cover, a bit like feeling the back of your hand. Waist: looking down from above, there should be a visible narrowing behind the ribs. Tuck: from the side, the belly should rise up toward the back legs rather than hanging level. If the ribs are hard to find, the waist has disappeared, and the belly is flat or sagging, your dog is probably carrying extra weight.

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Charlie's tip

This is the same idea as the WSAVA 9-point body condition score your vet uses, where 4 to 5 out of 9 is ideal. It works better than a number on the scale because a healthy weight depends so much on breed and frame.

What to do if your dog is overweight

Carrying a little extra is common and very manageable. The usual first steps are tightening up portions (measured, not eyeballed), cutting back on treats and table scraps, and building in a bit more activity — all worth running past your vet, who can rule out medical causes and set a safe target. Small, steady changes work better than a crash diet.

Feel for the ribs, look for the waist — your hands tell you more than the scale does.

Re-check every few weeks and adjust as you go; slow, steady loss is the goal. Keeping portions right for your dog's size and activity is where a retrospective food log helps — the NatBuddy app works the amounts out per pet. Informational only — always consult your vet for dietary decisions.

Common questions

How can I tell if my dog is overweight without a scale?

Use the hands-on check: you should feel the ribs easily, see a waist from above, and see a belly tuck from the side. If not, your dog is likely overweight.

What is a healthy body condition score for a dog?

On the vet's 9-point scale, 4 to 5 out of 9 is ideal — ribs easily felt, a visible waist, and a tucked belly.

How do I help my dog lose weight?

Measure portions, cut back on treats, add gentle activity, and re-check every few weeks — with your vet's guidance and after ruling out medical causes.

How fast should a dog lose weight?

Slowly and steadily. Your vet can set a safe rate and target; rapid weight loss can cause its own problems.

Sources

Guidance on this page is grounded in established veterinary-nutrition and animal-health authorities.

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Informational only — not a substitute for veterinary advice. Recipes here are vet-informed and use no ingredients known to be toxic to dogs, but every dog is different. Consult your vet before changing your dog's diet.

Is my dog overweight? How to check at home | NatBuddy

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Excellent
Score 94
Beef & sardine bowl
For skin & coat
NatBuddy recipe detail — Beef & sardine bowl with per-pet nutrition
Vet-informed Bags, cans & treats Private by default
The quiet worry

The bag says premium. The label says otherwise.

You read the front. You pay more. You hope. But the truth is buried three lines into the ingredient list — where you were never meant to look.

On the front What sells it
Golden Meadow™
Premium Recipe
Made with real chicken & garden veggies
Real chicken No by-products All-natural Vet-recommended
On the back Ingredients · in order
01 Ground Yellow Corn Filler
02 Chicken By-Product Meal Not real meat
03 Corn Gluten Meal
04 Caramel Color Added dye
05 Natural Flavors + 9 more
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I've sniffed a lot of bags that smelled better on the front than the inside. Let's go read the back.
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How it works

Three steps that loop into one habit.

Start with a single scan. The picture builds from there.

01
Scan

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Point your camera at any bag, can or treat. NatBuddy reads the ingredient list and gives you a single rating — mint for good, coral for caution. This is the color you'll see everywhere from here.

Mint — good
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Point me at any label. I'll tell you straight.
Excellent
Score 94
Wild salmon recipe
Real salmon first
Caution
Score 38
Grocery kibble
Corn first, vague meat
02
Cook

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96 · Excellent
Vet-informed · 18 min
Chicken thigh & flax bowl
38 g protein·210 kcal·6 items
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03
The day

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This week
6 of 7 balanced
83
Chicken bowl210 kcal
Peanut butter treat90 kcal
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Shih Tzu · 7.8 kg

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Theodor
French Bulldog · 18.3 kg

A sensitive stomach and a drawer full of "maybe" treats. One quiet afternoon of scanning sorted the safe from the questionable for good.

The reveal

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One scan turns any label into a single rating — mint for good, coral for caution. Here's the difference it surfaces, side by side.

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Same shelf, same price. One I'd eat, one I'd walk past.
Excellent
Score 94
Wild salmon recipe
Real salmon first, no fillers
Caution
Score 38
Grocery kibble
Corn first, vague meat
01
Read the label

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02
Flag the risks

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One color

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In their words
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01
Scan

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Point your camera at any bag, can or treat. NatBuddy reads the ingredient list and returns a single rating — mint for good, coral for caution. Start with the food you trust most; that's usually the eye-opener.

Mint — good
Coral — caution
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02
Cook

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Open the library, choose what fits your dog, follow the steps. Portions come pre-sized to their weight and calorie target. Tap Cook for Charlie and it's queued for the day.

A library you pick from, never a plan you're handed.
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Every recipe carries the same score you trust from a scan.
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03
Track

Watch the day add up to 92.

Log what your dog actually ate — the cooked bowl, the scoop of kibble, the treats that sneak in. The ring fills with the real story, not a wish, so a coral day shows up as a coral day.

Add to today's log Save to Charlie's day
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04
Ask Charlie

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Always here
Bella's a Lab — is salmon good for her coat?
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Salmon's gold for a Lab's coat — the omega-3s do the work. 🐟 Want the wild-salmon recipe? It scored 94.
How much for 22 kg?
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About 410 kcal a day across two meals. I'll size the bowl for you.
Ask Charlie anything…
05
Photo health scan

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Three quick photos — body, mouth, coat — and Charlie turns them into a Health Report Card: a wellness snapshot across the zones that matter, with plain-language notes you can act on.

Informational only — consult your vet.
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A snapshot, not a diagnosis. If something looks off, I'll tell you to ring the vet.
Health report · today
88Looking good
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Charlie's take
Coat's looking great. Eyes a touch cloudy — worth a mention next vet visit.
Coat & skinExcellent
Body conditionGood
EyesKeep an eye
Informational only — consult your vet.
The whole pack

One app, every dog in the house.

Add each dog once. Scores, recipes and portions all right-size to the pet you've got selected — switch between them with a tap.

Charlie
Same recipe, two right-sized bowls. I do the math per pet.
Skin & coat · high protein
Beef & sardine bowl
94
520kcal · daily portion100% of Theodor's day
French Bulldog · 11.3 kg
Protein
84 g
Carbs
14 g
Fat
60 g
374kcal · daily portion100% of Luna's day
Border Collie · 5.0 kg
Protein
75 g
Carbs
10 g
Fat
51 g
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The science

How the dog food score is built.

One number on a single scale, built from the label and weighed against vet-informed thresholds. No black box, no scare tactics.

One scale, four bands
0 → 100
CautionFairGoodExcellent

On the surface you see two colors — mint for good, coral for caution. The number underneath is what moves the badge, so two foods that both look "fine" still rank against each other on the same scale.

Four things move the number.

01
Ingredient order

What's listed first is what's mostly in the bag. A named whole protein up top lifts the score; corn or "meat meal" first pulls it down.

02
Risk flags

Fillers, artificial dyes, vague by-products and known irritants are checked against a vet-informed watchlist. Every flag is a deduction you can see.

03
Nutrient balance

Protein, fat, fiber and sodium are read against the range for your dog's size and life stage — not a one-size-fits-all average.

04
Transparency

Specific labels score better than vague ones. If a brand won't say what's actually in the bag, that uncertainty counts against the score, not for it.

A worked example

Same shelf. Two very different scores.

Wild salmon recipe
94 · Excellent
Salmon is the first ingredient
No fillers, no artificial dyes
Fat & sodium in range
"Premium" grocery kibble
38 · Caution
Corn listed first
Vague "meat meal"
Two artificial dyes flagged
Charlie

Vet-informed, not vet-replacing.

Our thresholds are built on veterinary nutrition guidance and kept current. A score is a fast second opinion on a label — it doesn't diagnose, and it never replaces a conversation with your own vet about your dog.

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Why it matters

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Know what's really in the bowl.

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Last updated: June 25, 2026
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Food safety A–Z

What can dogs eat? The complete A–Z.

One clear verdict per food — safe, in moderation, or best avoided — each linking to the full guide with portions, prep and the safe-vs-risky details. Grounded in ASPCA and AAFCO guidance.

Informational only — always consult your vet for dietary decisions, and for any suspected poisoning call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435.

Every food, one clear verdict

Safe In moderation Avoid
SafeApples — yes, with the core and seeds removed. In moderationBananas — small amounts; high in natural sugar. SafeBlueberries — a great low-calorie treat. In moderationBread — plain bread is safe but mostly empty calories. SafeCarrots — one of the best low-calorie treats. In moderationCheese — small amounts; watch the fat and salt. AvoidChocolate — toxic to dogs; keep it well out of reach. SafeEggs — cooked, never raw. AvoidGrapes & raisins — can cause kidney failure; never feed. SafeGreen beans — a great low-calorie treat, plain. In moderationPeanut butter — yes, but only if it's xylitol-free. SafePumpkin — plain pumpkin is gentle on digestion. SafeRice — plain, cooked rice is easy to digest. In moderationStrawberries — fine in moderation; high in natural sugar. SafeSweet potato — cooked and plain, never raw. SafeWatermelon — seeds and rind removed. In moderationYogurt — plain and unsweetened, small amounts.

More foods are added regularly. For anything not listed, scan the label in the app or ask your vet.

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Home / Blog / Emma Hart
NatBuddy editorial

Emma Hart

Dog nutrition writer · NatBuddy

Emma Hart writes NatBuddy's dog-nutrition guides — the food-safety explainers, feeding math, and homemade recipes you'll find on this blog. She isn't a veterinarian, and nothing she writes replaces yours.

What these guides cover

01
Food safety

Can dogs eat this? Clear answers on everyday foods — with genuine hazards like chocolate, grapes and xylitol flagged firmly, and the rest kept in proportion.

02
Feeding & portions

How much to feed, how often, and why it changes with a dog's weight, age and activity — the same math the NatBuddy app runs per pet.

03
Homemade recipes

Simple, real-food recipes with actual nutrition numbers, weighed against AAFCO baselines — a starting point to cook from, not a prescription.

04
Labels & ingredients

What ingredient lists actually tell you, what the marketing hides, and how to read a bag before you trust it.

Read the latest guides on the blog

How these guides are made

Every article is grounded in published guidance from the ASPCA, AAFCO, the National Research Council (NRC) and WSAVA — and each one lists its sources at the bottom, so you can check them yourself instead of taking our word for it.

Health topics use cautious language on purpose. We flag real dangers clearly, but we won't scare you about a food that's simply worth a quick word with your vet. The scores in our reviews come from the same method the app uses — you can read it in full on The Science.

Emma Hart is the byline for NatBuddy's editorial work — the writing, research and editing behind our nutrition content. She is not a veterinarian. For anything specific to your dog's health, talk to your vet. See our Vet Disclaimer.

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Common questions

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Sources

Guidance on this page is grounded in established veterinary-nutrition and animal-health authorities.

Keep reading

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See the whole picture in the app.

Scan their food, cook vet-informed recipes, and log what your dog really eats — with Charlie along for the ride.

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Informational only — not a substitute for veterinary advice. Recipes here are vet-informed and use no ingredients known to be toxic to dogs, but every dog is different. Consult your vet before changing your dog's diet.