Can cats eat watermelon?

Watermelons are a popular and sweet fruit usually eaten across summer. They are usually eaten fresh in slices, or dices into fruit salads. They can also be juiced and drunk as a drink. It’s juice can be blended with other types of fruit juice. It can also be made into wine.

Its seeds have a slightly nutty flavor and can also be roasted or dried. The seeds can be ground into flour. They are eaten often as snacks in far eastern countries.

The rind can be eaten but they don’t taste that good and so are tended to be avoided.

Can cats eat watermelon?

Let’s take a look at their nutritional data and find out more. By looking at what they contain we can make a good assessment as to whether they actually make a good food for them to eat rather than relying on the word of others.

In particular, their carbohydrate, acidic, water, sugar, salt, calcium, phosphorous, and fat content is of most interest as far as cats are concerned.

Nutritional value per 100 g (3.5 oz)
Energy 127 kJ (30 kcal)
7.55 g
Sugars 6.2 g
Dietary fiber 0.4 g
0.15 g
0.61 g
Vitamins Quantity %DV†
Vitamin A equiv.
4% 28 μg
3% 303 μg
Thiamine (B1) 3% 0.033 mg
Riboflavin (B2) 2% 0.021 mg
Niacin (B3) 1% 0.178 mg
Pantothenic acid (B5) 4% 0.221 mg
Vitamin B6 3% 0.045 mg
Choline 1% 4.1 mg
Vitamin C 10% 8.1 mg
Minerals Quantity %DV†
Calcium 1% 7 mg
Iron 2% 0.24 mg
Magnesium 3% 10 mg
Manganese 2% 0.038 mg
Phosphorus 2% 11 mg
Potassium 2% 112 mg
Sodium 0% 1 mg
Zinc 1% 0.1 mg
Other constituents

Water 91.45 g
Lycopene 4532 µg


As you can see watermelon contains a huge amount of water, a tiny amount of salt and fat, a little phosphorus, acidic content and calcium, quite a bit of sugar and carbohydrates.

This means that cats can eat watermelon. However don’t feed them too much due to the sheer amount of water it contains and its sugar content. A few chunks of watermelon is absolutely fine. Lots of slices of watermelon is not though!

Eating a lot of watermelon cat give them diarrhea and also affect them if they have diabetes due to the amount of sugar it contains.

Watermelon is actually good for the re-hydration of a kitty. It also contains good levels of vitamin A and C which is very good for a cat.

Make sure you take the seeds out though before you feed them watermelon as they may choke on them if they happen to swallow one.

Cats also should not eat the skin as it is just too rubbery for them to eat. Although if they happen to nibble it they will be fine. It’s just not the best thing for them to eat.

Just strip it away after you have cut up the watermelon for your cat and just give them the flesh.

For more foods that cats can and can’t eat, check out our cat food list.


Wikipedia –



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