Converters · Volume

40 US gallons to US cups

40 gal =

640 cup

40 us gallons equals 640 us cups

gal

How to convert us gallons to us cups

To get us cups, multiply by 16.

cup = gal × 16

Worked example: 40 × 16 = 640 cup.

Going the other way, multiply by 0.0625 — one us cup is 0.0625 us gallons.

Values near 40 gal

US gallonUS cup
20 gal320 cup
38 gal608 cup
39 gal624 cup
41 gal656 cup
42 gal672 cup
80 gal1280 cup

US gallon to US cup — common values

US gallonUS cup
1 gal16 cup
2 gal32 cup
3 gal48 cup
5 gal80 cup
10 gal160 cup
25 gal400 cup
50 gal800 cup
100 gal1600 cup

Convert US gallon to other units

← Reverse: US cup to US gallon

Questions

How do you convert us gallons to us cups?
To convert us gallons to us cups, multiply by 16. For example, 40 gal is 640 cup.
How many us cups are in a us gallon?
There are 16 us cups in one us gallon.
How do you convert us cups back to us gallons?
Go the other way: multiply by 0.0625. One us cup is 0.0625 us gallons.

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