1. Confusing Different Cup Standards
Not all cups have the same volume. US customary, US legal, and metric cups use different milliliter values.
2. Entering the Wrong Amount
Check your measurement before calculating. For example, 0.5 cups and 5 cups produce very different results.
3. Confusing Volume with Weight
Milliliters measure volume, while grams measure mass. Converting cups to milliliters does not directly provide the weight in grams unless the ingredient's density is known.
4. Rounding Too Early
Keep the original measurement for the calculation and round only the final result for a more consistent answer.
5. Assuming the Result Is Exact for Every Recipe
The result follows the conversion factor programmed into this calculator. If a recipe uses a different cup standard, the converted value may differ slightly.