Convert Watermelon from Whole Watermelons to US cups (chopped)

Convert whole watermelons to US cups below. One medium watermelon is about 29.61 US cups, and 2 watermelons make roughly 59.21 US cups.

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 US cups is a watermelon?

One medium watermelon gives about 29.61 US cups of watermelon when chopped, so 2 watermelons come to roughly 59.21 US cups. A small watermelon is about 13.16 US cups and a large one about 59.21 US cups, so set the size selector to match what you have.

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Watermelon converter tool

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

Size applies to whole watermelons (small / medium / large).

Result

29.61 cups (US)

Watermelon Calculators & Kitchen Tools

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

Common Watermelon conversions

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

watermelonsUS cups (chopped)
1 watermelon29.61 cups (US)
2 watermelons59.21 cups (US)
3 watermelons88.82 cups (US)
4 watermelons118.42 cups (US)
5 watermelons148.03 cups (US)
6 watermelons177.63 cups (US)

For the reverse conversion, see how many watermelons are in a US cup.

Watermelon conversion chart

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

watermelonscups (US)cupsgozlbkg
1 watermelon29.61 cups (US)28.48 cups4500 g158.73 oz9.92 lb4.5 kg
2 watermelons59.21 cups (US)56.96 cups9000 g317.47 oz19.84 lb9 kg
3 watermelons88.82 cups (US)85.44 cups13500 g476.2 oz29.76 lb13.5 kg
4 watermelons118.42 cups (US)113.92 cups18000 g634.93 oz39.68 lb18 kg
5 watermelons148.03 cups (US)142.41 cups22500 g793.66 oz49.6 lb22.5 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.

VarietyBest for
Crimson Sweet (Seeded)Slicing and eating: the classic large, sweet red-flesh melon with seeds.
SeedlessEveryday eating and salads: sweet and crisp with no mature seeds, the supermarket default.
Sugar BabySmall kitchens: a compact icebox melon with deep red, sweet flesh.
Yellow-fleshFruit 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 cups is one medium watermelon?
One medium watermelon (about 4500 g) gives roughly 28.48 cups of chopped flesh. A small one (around 2000 g) yields about 12.66 cups and a large one (around 9000 g) about 56.96 cups, so set the size selector to match the watermelons you actually have before you trust the figure. Open watermelon converter
How much does a medium watermelon weigh?
A medium watermelon weighs about 4500 g, with a small one around 2000 g and a large one near 9000 g. That range changes the weight of any recipe that counts watermelons by the piece, so set the size selector to match what you actually have before trusting a cup or gram figure.
How much does an average watermelon weigh?
An average watermelon is the same as a medium one: about 4500 g. A small watermelon is lighter at around 2000 g and a large one heavier at about 9000 g, so the size you actually have changes the total for any recipe that counts watermelons by the piece rather than by weight.
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.
How much does a large watermelon weigh?
A large watermelon weighs about 9000 g, noticeably more than a medium, or average, one at 4500 g or a small one at 2000 g. Set the size selector to large to convert cups, grams and ounces for the bigger watermelons you actually have on the counter.

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