How much is 4 cups of cubed sweet potatoes?

November 28, 2025 •

3 min read

On average, one cup of raw, chopped sweet potatoes weighs approximately 200 grams. This means that how much is 4 cups of cubed sweet potatoes depends on a few factors, but typically equates to about 800 grams or 1.76 pounds of raw sweet potato.

Quick Summary

A precise conversion for 4 cups of cubed sweet potatoes is roughly 800 grams (1.76 pounds) of raw vegetable, which can be derived from four to six medium-sized tubers.

Key Points

Weight Conversion: 4 cups of raw, cubed sweet potatoes is approximately 800 grams or 1.76 pounds.
Number of Tubers: Plan on using four to six medium sweet potatoes to yield 4 cups once cubed.
Measurement Accuracy: For precise recipes, measuring by weight is far more accurate than measuring by volume.
Consistent Cubes: Cutting sweet potatoes into uniform cubes ensures they cook evenly and consistently.
Nutritional Value: A large portion of sweet potatoes offers significant beta-carotene, fiber, and vitamins, making them a nutritious addition to any meal.

When a recipe calls for a volume measurement like '4 cups cubed sweet potatoes,' it can be tricky to know exactly how much to buy. The weight can vary based on factors like the size of the cubes, the specific density of the tuber, and whether it's peeled or unpeeled. However, using standard culinary conversions, we can get a very reliable estimate that simplifies meal preparation.

The Standard Weight Conversion

Based on widely-cited culinary data, one cup of chopped or cubed sweet potato weighs around 200 grams. This conversion is a solid baseline for most home cooks. For 4 cups, the math is straightforward:

4 cups x 200 grams/cup = 800 grams
800 grams ÷ 453.6 grams/pound = 1.76 pounds

Therefore, 4 cups of cubed sweet potatoes will weigh approximately 800 grams or 1.76 pounds.

How Many Sweet Potatoes Will You Need?

The number of sweet potatoes required depends entirely on their size. A recipe from Allrecipes estimates that for 4 cups of peeled and chopped sweet potatoes, you will need approximately four to six medium-sized sweet potatoes. Other conversion tools confirm this, suggesting that 1.3 medium sweet potatoes are needed for 1 cup of cubed sweet potato, which would mean around 5.2 medium tubers for 4 cups. This range accounts for natural variation in produce.

Achieving Uniform Cubes for Even Cooking

To ensure your sweet potatoes cook evenly, especially for roasted dishes or casseroles, it's crucial to cut them into consistent-sized cubes. Here is a simple method for consistent dicing:

Peel the sweet potatoes: Use a vegetable peeler to remove the skin.
Square the sides: Cut off the ends and then slice a thin layer from each of the four sides to create a flat, rectangular shape.
Slice into planks: Stand the squared potato on one of its flat sides and slice it into uniform planks, about half an inch thick.
Cut into batons: Stack the planks and cut them into strips (batons) of the same thickness.
Dice into cubes: Finally, line up the batons and cut across to create your desired cubes.

How Measurement Methods Impact Your Results

While volume measurements are common, weight is the more precise method for cooking and nutrition tracking. Here's a comparison to help illustrate the difference:


Measurement Method	4 Cups Cubed Raw Sweet Potatoes	Best for...
Volume (Cups)	Approximately 800g / 1.76 lbs	Quick, general-purpose recipes where exact quantities are not critical.
Weight (Grams/Pounds)	Exact weight (requires a kitchen scale)	Accurate and consistent results, especially for baking, macro-tracking, and dietary control.
Count (Number of Tubers)	4–6 medium sweet potatoes	Estimating your grocery shopping needs.

The Case for Weighing Your Ingredients

When a recipe calls for a volume, the results can be inconsistent due to variations in cube size and how tightly the ingredient is packed. Measuring by weight with a kitchen scale removes this uncertainty, providing the most reliable and repeatable results. For example, a recipe that relies on a specific starch-to-fat ratio, like sweet potato fritters, will benefit from the accuracy of a weight measurement. This precision is also vital for anyone tracking nutritional intake, as the weight of food changes during cooking due to moisture loss.

Conclusion

To answer the question of how much is 4 cups of cubed sweet potatoes, the best general estimate is 800 grams or 1.76 pounds of raw sweet potato. This will likely require you to purchase about four to six medium-sized tubers. For the most consistent cooking and nutritional tracking, using a kitchen scale to measure by weight is the most reliable method. For an excellent resource on general ingredient conversions, the Healthy Food Guide offers some great quick reference tables.

Frequently Asked Questions

Four cups of raw, cubed sweet potatoes weigh approximately 800 grams or 1.76 pounds.

You will generally need between four and six medium-sized sweet potatoes to achieve 4 cups of cubed sweet potatoes, depending on the exact size of each tuber.

Measuring by weight is more accurate because it eliminates inconsistencies caused by variations in cube size and how tightly the sweet potatoes are packed into a measuring cup.

Yes, sweet potatoes lose weight during cooking due to moisture loss. A cooked sweet potato will weigh less than its raw counterpart, so it is best to weigh ingredients raw for accuracy.

For uniform cubes, peel the potato, cut off the ends, and square the sides by slicing off thin strips. Then, slice it into planks, cut the planks into strips, and finally dice into cubes of the same size.

To ensure even cooking, consistently cut your sweet potatoes into cubes of uniform size. This prevents smaller pieces from burning while larger pieces remain undercooked.

Sweet potatoes are a rich source of nutrients including beta-carotene (which the body converts to vitamin A), vitamin C, fiber, and potassium.