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US Gallons to Grams Converter

Convert US gallons (gal) to grams (g), 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
3,785.41 g
Density used
1 g/mL (USDA FDC 174158, 1 ml = 1 g)
Exact
3,785.411784

1 US gallons of water = 3,785.41 grams. 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
milligrams3,785,410
kilograms3.78541
ounces (avoirdupois)133.526
pounds8.3454
Show the working
  1. 1 gal = 3785.411784 mL
  2. × 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 3785.411784 g
  3. = 3785.411784 g

How to convert us gallons to grams

1 gal = 3,785.41 g, so multiply by 3,785.41 to go from US gallons to grams. Going the other way, 1 g = 0.000264172 gal.

g = gal × 3,785.41
gal = g × 0.000264172

Worked example:

5 gal = 18927.05892 mL
× 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 18927.05892 g
= 18927.05892 g

US Gallons to grams table

US GallonsGrams
1 gal3,785.41 g
2 gal7,570.82 g
3 gal11,356.2 g
4 gal15,141.6 g
5 gal18,927.1 g
6 gal22,712.5 g
7 gal26,497.9 g
8 gal30,283.3 g
9 gal34,068.7 g
10 gal37,854.1 g
15 gal56,781.2 g
20 gal75,708.2 g
25 gal94,635.3 g
30 gal113,562 g
40 gal151,416 g
50 gal189,271 g
75 gal283,906 g
100 gal378,541 g
250 gal946,353 g
500 gal1,892,710 g
1000 gal3,785,410 g

About the units

US Gallons (gal)
US gallons, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
Grams (g)
Grams, a metric unit. Definition: BIPM SI Brochure.

Formula version 0.1.0Reviewed