US gallon to US cup Converter
Type a value — the answer appears instantly. 1 gal = 16 cup.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
16 US cups
= 3.78541 L= 3,785.41 ml
equals 16 US cupsFormula: cup = gal × 16
US gallon to US cup formula
cup = gal × 16
Convert 5 US gallons to US cups
- Start with 5 US gallons.
- Multiply by the conversion factor: 5 × 16 = 80.
- So 5 gal = 80 cup.
US gallon to US cup conversion table
| US gallons (gal) | US cups (cup) |
|---|---|
| 0.01 gal | 0.16 cup |
| 0.1 gal | 1.6 cup |
| 0.25 gal | 4 cup |
| 0.5 gal | 8 cup |
| 1 gal | 16 cup |
| 2 gal | 32 cup |
| 3 gal | 48 cup |
| 4 gal | 64 cup |
| 5 gal | 80 cup |
| 6 gal | 96 cup |
| 7 gal | 112 cup |
| 8 gal | 128 cup |
| 9 gal | 144 cup |
| 10 gal | 160 cup |
| 15 gal | 240 cup |
| 20 gal | 320 cup |
| 25 gal | 400 cup |
| 30 gal | 480 cup |
| 40 gal | 640 cup |
| 50 gal | 800 cup |
| 75 gal | 1,200 cup |
| 100 gal | 1,600 cup |
| 250 gal | 4,000 cup |
| 500 gal | 8,000 cup |
| 1,000 gal | 16,000 cup |
| 5,000 gal | 80,000 cup |
| 10,000 gal | 160,000 cup |
Unit definitions
What is a US gallon?
The US gallon is defined as exactly 231 cubic inches, or 3.785411784 litres. It is the standard unit for fuel, milk, and large liquid quantities in the United States. It is about 20% smaller than the imperial gallon.
What is a US cup?
The US customary cup is one sixteenth of a US gallon, about 236.59 millilitres. It is the standard volume measure in American home cooking and baking. It equals eight US fluid ounces.
Frequently asked questions
How many US cups are in one US gallon?
One US gallon equals 16 US cups (1 gal = 16 cup).
How do I convert US gallons to US cups?
Multiply the value in US gallons by 16. For example, 10 gal × 16 = 160 cup.
Which is bigger — a US gallon or a US cup?
A US gallon is bigger: one US gallon contains 16 US cups.
Is this US gallon to US cup converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.