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Converters · Volume

20 US gallons to US cups

20 gal =

320 cup

20 us gallons equals 320 us cups

gal

How to convert us gallons to us cups

To get us cups, multiply by 16.

cup = gal × 16

Worked example: 20 × 16 = 320 cup.

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

Values near 20 gal

US gallonUS cup
10 gal160 cup
18 gal288 cup
19 gal304 cup
21 gal336 cup
22 gal352 cup
40 gal640 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

gal → Lgal → mLgal → m³gal → qtgal → ptgal → cupgal → fl ozgal → tbspgal → tsp

← 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, 20 gal is 320 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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