How many grams is one medium sweet potato?

One medium sweet potato is about 200 grams, a small one about 130 grams and a large one about 320 grams. Sweet potatoes vary in size, which is the main reason a recipe that counts sweet potatoes can still vary in weight. Set the size selector to match what you have, then read the exact figure for any count above.

Convert Sweet Potato from Whole Sweet potatoes to Grams

Sweet Potato converter

Use the tool below to convert sweet potato from Whole Sweet potatoes to Grams.

A small sweet potato is around 40% of the weight of a large one, so 'three sweet potatoes' in a tray bake or pie can swing the yield. Pick the right size below to keep mash, fries, and casseroles on target.

How much does a sweet potato weigh in grams?

A medium sweet potato weighs about 200 g, with a small one around 130 g and a large one around 320 g. Set the size selector to match what you have, then read the exact gram weight for any number of sweet potatoes above.

Out of sweet potato? See sweet potato substitutes →

Using regular potato instead? The potato converter handles whole-item counts and cubed cups across small, medium, and large sizes. See what one medium potato is in grams.

Adding carrot to the roast? The carrot converter works out whole-item counts and chopped cups across small, medium, and large sizes. See what one medium carrot is in grams.

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

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Sweet potato sizeSize applies to whole sweet potatoes (small / medium / large).

Result

200 g

Common Sweet Potato conversions

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

sweet potatoes	Grams
1 sweet potato	200 g
2 sweet potatoes	400 g
3 sweet potatoes	600 g
4 sweet potatoes	800 g
5 sweet potatoes	1000 g
6 sweet potatoes	1200 g

Sweet Potato conversion chart

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

sweet potatoes	g	cups	cups (US)	oz	lb	kg
1 sweet potato	200 g	1.44 cups	1.5 cups (US)	7.05 oz	0.44 lb	0.2 kg
2 sweet potatoes	400 g	2.88 cups	3.01 cups (US)	14.11 oz	0.88 lb	0.4 kg
3 sweet potatoes	600 g	4.32 cups	4.51 cups (US)	21.16 oz	1.32 lb	0.6 kg
4 sweet potatoes	800 g	5.76 cups	6.02 cups (US)	28.22 oz	1.76 lb	0.8 kg
5 sweet potatoes	1000 g	7.19 cups	7.52 cups (US)	35.27 oz	2.2 lb	1 kg

Sweet Potato 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 sweet potato varieties compare.

Variety	Best for
Beauregard	Everyday baking, mash, and roasting: deep orange flesh, sweet and reliably moist; the standard US supermarket sweet potato.
Garnet	Mash, pies, and casseroles: red-purple skin and deep orange flesh, very moist and sweet.
Jewel	Roasting and baking whole: copper skin and orange flesh, mild and sweet with a moist texture.
Japanese (Murasaki)	Roasted wedges and savoury sides: purple skin and pale flesh, drier and less sweet with a chestnut flavour.
Stokes Purple	Showpiece purées and colourful plates: purple skin and deep purple flesh, slightly drier and earthy.

Which should I pick?

For everyday baking, mashing, and roasting, Beauregard is the supermarket default: deep orange flesh, sweet and reliably moist. No Beauregard? Garnet or Jewel are interchangeable orange-flesh substitutes, equally sweet. For drier, savoury dishes and roasted wedges, Japanese (purple skin, pale flesh) holds its shape with a chestnut sweetness. Stokes purple-flesh sweet potatoes are the pick for colourful purées and showpiece plates.

Frequently Asked Questions

How many grams is one medium sweet potato?: One medium sweet potato is about 200 grams, a small one about 130 grams and a large one about 320 grams. Sweet potatoes vary in size, which is the main reason a recipe that counts sweet potatoes 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 sweet potato converter
Which sweet potato variety should I use?: For everyday baking, mashing, and roasting, Beauregard is the supermarket default: deep orange flesh, sweet and reliably moist. No Beauregard? Garnet or Jewel are interchangeable orange-flesh substitutes, equally sweet. For drier, savoury dishes and roasted wedges, Japanese (purple skin, pale flesh) holds its shape with a chestnut sweetness. Stokes purple-flesh sweet potatoes are the pick for colourful purées and showpiece plates.

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