How much apple can a 30lb dog eat in a day?

About 40 g of apple flesh per day (two standard slices) is the comfortable daily max for a typical 30lb (13.6 kg) dog. This applies the AAFCO 10% daily calorie treat rule, assuming a typical medium-breed daily calorie need of around 550 to 700 kcal. Apple is roughly 52 kcal per 100 g; two slices contribute about 21 kcal.

What breeds typically weigh 30lb?

Beagle, Cocker Spaniel, French Bulldog, Cavalier King Charles Spaniel (larger end), Shetland Sheepdog, Welsh Corgi, Miniature Schnauzer (larger end), Border Terrier (larger end). Adult weight matters more than breed name; many medium breeds cluster in the 25 to 35 lb range.

Can a 30lb dog eat a whole apple?

Not in one sitting routinely. A whole medium apple is roughly 180 to 220 g of flesh, which is four to five times the comfortable daily max for a 30lb dog. A dog that occasionally eats more than its target portion at one meal will usually have GI upset (vomiting or loose stool) but will recover; this is not a poisoning emergency assuming the core and seeds were removed and the apple was fresh. See dog ate whole apple for the protocol.

How Much Apple Can a 30lb Dog Eat?

Updated May 2026

Direct answer

Two standard slices per day (about 40 g, roughly 21 kcal) is the comfortable max for a typical 30lb dog. This is based on the AAFCO 10% daily calorie treat guidance applied to a medium-breed daily calorie need of around 550 to 700 kcal. Apple is roughly 52 kcal per 100 g per USDA FoodData Central.

Daily and weekly breakdown

Timeframe	Comfortable max	Calorie load	% daily calories
Per serving	20-40g (1-2 slices)	10-21 kcal	2-4%
Daily	40g (2 slices)	21 kcal	3-4%
Weekly (if daily)	280g (~1.5 medium apples)	146 kcal	Spread across week
Single binge limit (safe)	80g (4 slices)	42 kcal	~7%
Single binge limit (likely upset)	120g+ (most of a small apple)	62+ kcal	10%+

Breed examples

Adult dogs typically in the 25 to 35 lb range:

Beagle

Cocker Spaniel

French Bulldog

Pembroke Welsh Corgi

Cardigan Welsh Corgi

Shetland Sheepdog

Miniature Schnauzer (large)

Boston Terrier (large)

Border Terrier

Whippet (small)

Smaller Australian Shepherd

Cavalier King Charles Spaniel (large)

Medium-breed-specific notes

Brachycephalic exception. A 30lb French Bulldog or Boston Terrier should be treated more like a small dog for choking risk. Smaller cubes, supervised eating. See the brachycephalic dogs page.
Cube size. 1.5 to 2 cm cubes for typical 30lb dogs. Larger cubes are fine for slow eaters; smaller for gulpers.
Skin is okay. Most 30lb dogs tolerate apple skin without issue and benefit from the fibre. Peel only if there is a known fibre sensitivity.
Two slices makes a useful training portion. Cut into 8 small training-sized pieces; useful for a 5 minute training session.
Daily is fine. A 30lb dog tolerating apple well can have its daily portion every day with no concerns, as long as the total treat budget stays under 10% of daily calories.

When to feed less than the table

Halve to one slice (20 g) per day if your 30lb dog is overweight, diabetic (then with vet supervision; see diabetic dogs), on a vet-prescribed diet, recovering from GI upset, or new to apple. Skip apple entirely if vet-recommended for the current condition or if the dog has had reaction to apple before.

Frequently asked questions

My 30lb dog ate three apples while I was out. What now?+

Three medium apples is roughly 600 g of apple flesh, far in excess of the daily target. Likely outcome: vomiting or significant loose stool within 12 to 24 hours. Watch for repeated vomiting (vet call), severe lethargy, abdominal pain, or if you cannot account for what happened to the cores (potential obstruction concern, see dog ate apple core). For a healthy adult medium-sized dog without core ingestion, monitor for 48 hours; most recover with self-limited GI upset.

Can my 30lb dog have apple every day?+

Yes, in the recommended portion. The 40 g daily target is comfortably within the AAFCO treat allowance and provides nutritional benefit (fibre, vitamin C, antioxidants). Variation with other safe fruits (blueberries, watermelon, strawberries, banana) is the smarter pattern but not required for safety.

Are two slices of Granny Smith the same as two of Honeycrisp for a 30lb dog?+

Calorically and in mass terms, yes. Sugar content differs (Granny Smith roughly 9.6 g per 100 g, Honeycrisp roughly 12 g per 100 g). For a healthy 30lb dog, the difference is not clinically significant. For a diabetic 30lb dog, Granny Smith is the preferred variety; see diabetic dogs.

How should I weigh out 40 g of apple?+

A kitchen scale is the easiest. Alternatively: a standard medium apple yields about 160 to 200 g of usable flesh after coring and seeding. One-fifth of that medium apple is roughly the 40 g target. Two visible slices from an eighth-cut apple is the eyeball equivalent.

My 30lb dog turns up his nose at Granny Smith but loves Fuji. Should I worry about the sugar?+

Not for a healthy dog at the recommended portion. The difference between two slices of Granny Smith (around 4 g sugar) and two slices of Fuji (around 5 g sugar) is 1 g per day. Even daily, this is well within tolerance for a healthy 30lb dog. Pick the variety the dog will actually eat; ration the portion.

10lb dog portions 60lb dog portions 100lb dog portions Portion calculator Dog ate whole apple

Sources: USDA FoodData Central, AAFCO treat-portion guidance, ASPCA Animal Poison Control Center. Educational reference only; not veterinary advice.