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US Cups to Milligrams Converter

Convert US cups (cup) to milligrams (mg), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Convert cups and spoons to grams or ounces (or back) for a chosen ingredient, using USDA weights, or enter your own density.

The quantity to convert. Fractions such as 3/4 or 1 1/2 are accepted.
Unit you want. Swap exchanges the two units.
Weight per cup differs by ingredient and by how it is measured (sifted, packed, chopped). Each option names the assumption used; choose Other to enter your own density.
Only used when the ingredient is Other: the weight per volume of your ingredient.
Result
Converted amount
236,588 mg
Density used
1 g/mL (USDA FDC 174158, 1 ml = 1 g)
Exact
236,588.2365

1 US cups of water = 236,588 milligrams. Weights for cups and spoons vary with how the ingredient is measured, so treat this as a close estimate.

The same amount in other weight units
UnitAmount
grams236.588
kilograms0.236588
ounces (avoirdupois)8.3454
pounds0.521588
Show the working
  1. 1 cup = 236.5882365 mL
  2. × 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 236.5882365 g
  3. = 236588.2365 mg

How to convert us cups to milligrams

1 cup = 236,588 mg, so multiply by 236,588 to go from US cups to milligrams. Going the other way, 1 mg = 0.00000422675 cup.

mg = cup × 236,588
cup = mg × 0.00000422675

Worked example:

5 cup = 1182.9411825 mL
× 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 1182.9411825 g
= 1182941.1825 mg

US Cups to milligrams table

US CupsMilligrams
1 cup236,588 mg
2 cup473,176 mg
3 cup709,765 mg
4 cup946,353 mg
5 cup1,182,940 mg
6 cup1,419,530 mg
7 cup1,656,120 mg
8 cup1,892,710 mg
9 cup2,129,290 mg
10 cup2,365,880 mg
15 cup3,548,820 mg
20 cup4,731,760 mg
25 cup5,914,710 mg
30 cup7,097,650 mg
40 cup9,463,530 mg
50 cup11,829,400 mg
75 cup17,744,100 mg
100 cup23,658,800 mg
250 cup59,147,100 mg
500 cup118,294,000 mg
1000 cup236,588,000 mg

About the units

US Cups (cup)
US cups, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
Milligrams (mg)
Milligrams, a metric unit. Definition: BIPM SI Brochure.

Formula version 0.1.0Reviewed