What is the average watermelon weight in ounces?

The average, or medium, watermelon weighs about 158.73 ounces. A small one is closer to 70.55 ounces and a large one closer to 317.47 ounces, so watermelons vary a fair amount by size. Set the size selector above to match what you have, then read the exact ounces figure for any count.

Convert Watermelon from Whole Watermelons to Ounces

Use the tool below to convert watermelon from Whole Watermelons to Ounces.

Watermelons range hugely: a small one is around 2000 g while a large one tops 9000 g, and the rind is heavy, so the flesh yield is hard to eyeball. Pick the right size below to keep agua fresca, salads, and fruit platters on target.

How many ounces is one medium watermelon?

One medium watermelon is about 158.73 ounces. A small watermelon is about 70.55 ounces and a large one about 317.47 ounces, so set the size selector to match what you have. Use the converter above for any amount, or the chart below for the most common quantities.

Related Watermelon Ingredients

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After a milder melon? The honeydew converter handles whole-melon weights and diced cups across small, medium, and large sizes. See what one medium honeydew melon is in ounces.

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Watermelon converter tool

Enter an amount, pick your units, and set the size for counting whole watermelons.

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Watermelon sizeSize applies to whole watermelons (small / medium / large).

Result

158.73 oz

Watermelon Calculators & Kitchen Tools

Working with watermelon? These tools handle the jobs a converter cannot.

Juice Yield Calculator Estimate how much juice you get from fresh produce.
Recipe Scaler Scale any recipe up or down and keep every ingredient in ratio.

Common Watermelon conversions

Quick reference for watermelon at medium size. Switch the size in the converter above for small or large.

watermelons	Ounces
1 watermelon	158.73 oz
2 watermelons	317.47 oz
3 watermelons	476.2 oz
4 watermelons	634.93 oz
5 watermelons	793.66 oz
6 watermelons	952.4 oz

For the reverse conversion, see how many watermelons are in an ounce.

Watermelon conversion chart

The chart below shows how whole watermelons (medium size) convert to cups, grams and ounces.

watermelons	oz	cups	cups (US)	g	lb	kg
1 watermelon	158.73 oz	28.48 cups	29.61 cups (US)	4500 g	9.92 lb	4.5 kg
2 watermelons	317.47 oz	56.96 cups	59.21 cups (US)	9000 g	19.84 lb	9 kg
3 watermelons	476.2 oz	85.44 cups	88.82 cups (US)	13500 g	29.76 lb	13.5 kg
4 watermelons	634.93 oz	113.92 cups	118.42 cups (US)	18000 g	39.68 lb	18 kg
5 watermelons	793.66 oz	142.41 cups	148.03 cups (US)	22500 g	49.6 lb	22.5 kg

Watermelon varieties and best uses

The conversions above are the same whatever variety you use; the difference is what each is good for. Here is how the common watermelon varieties compare.

Variety	Best for
Crimson Sweet (Seeded)	Slicing and eating: the classic large, sweet red-flesh melon with seeds.
Seedless	Everyday eating and salads: sweet and crisp with no mature seeds, the supermarket default.
Sugar Baby	Small kitchens: a compact icebox melon with deep red, sweet flesh.
Yellow-flesh	Fruit salads and novelty: honeyed flavour with golden flesh.

Which should I pick?

For everyday eating and salads, a Seedless watermelon is the convenient supermarket default: sweet, crisp, and no seeds to pick out. No Seedless? Crimson Sweet (Seeded) is the classic large, sweet red-flesh melon. Reach for Sugar Baby when you want a small icebox melon that fits the fridge, or a Yellow-flesh variety for a honeyed twist in fruit salads.

Frequently Asked Questions

How many ounces is one medium watermelon?: One medium watermelon is about 158.73 ounces, a small one about 70.55 ounces and a large one about 317.47 ounces. Watermelons vary in size, which is the main reason a recipe that counts watermelons can still vary in weight. Set the size selector to match what you have, then read the exact figure for any count above. Open the watermelon converter
What is the average watermelon weight in ounces?: The average, or medium, watermelon weighs about 158.73 ounces. A small one is closer to 70.55 ounces and a large one closer to 317.47 ounces, so watermelons vary a fair amount by size. Set the size selector above to match what you have, then read the exact ounces figure for any count.
Which watermelon variety should I use?: For everyday eating and salads, a Seedless watermelon is the convenient supermarket default: sweet, crisp, and no seeds to pick out. No Seedless? Crimson Sweet (Seeded) is the classic large, sweet red-flesh melon. Reach for Sugar Baby when you want a small icebox melon that fits the fridge, or a Yellow-flesh variety for a honeyed twist in fruit salads.

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