US cups to US gallons converter
US gallons (US gal)
1 US cup = 0.0625 US gallons
How to convert US cups to US gallons
US gal = cup × 0.0625
Multiply the number of US cups by 0.0625 to get US gallons. Going the other way, divide by 0.0625 (or multiply by 16).
One US cup is exactly defined as 0.0625 US gallons (to 12 significant figures), and one US gallon is 16 US cups.
Worked examples
- Convert 5 US cups: 5 × 0.0625 = 0.3125 0.3125 US gallons.
- Convert 12.5 US cups: 12.5 × 0.0625 = 0.78125 0.78125 US gallons.
- Convert 250 US cups: 250 × 0.0625 = 15.625 15.625 US gallons.
Quick-reference table
| cup | US gal |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 3 | 0.1875 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 15 | 0.9375 |
| 20 | 1.25 |
| 25 | 1.5625 |
| 50 | 3.125 |
| 75 | 4.6875 |
| 100 | 6.25 |
| 1,000 | 62.5 |
| US gal | cup |
|---|---|
| 1 | 16 |
| 2 | 32 |
| 3 | 48 |
| 5 | 80 |
| 10 | 160 |
| 15 | 240 |
| 20 | 320 |
| 25 | 400 |
| 50 | 800 |
| 75 | 1,200 |
| 100 | 1,600 |
| 1,000 | 16,000 |
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Frequently asked questions
How many US gallons are in 1 US cup?
1 US cup equals 0.0625 US gallons.
What is the formula to convert US cups to US gallons?
Use US gal = cup × 0.0625. Multiply the number of US cups by 0.0625 to get US gallons. Going the other way, divide by 0.0625 (or multiply by 16).
What is 100 US cups in US gallons?
100 US cups is 6.25 US gallons.