Gallon (US) to Cup (US)
1 gal = 16 cup
Convert Gallon (US) (gal) to Cup (US) (cup) with engineering-grade precision. Instant results, formula, and reference table below.
1 Gallon (US) ≈16 Cup (US)
How to convert Gallon (US) to Cup (US) (gal to cup)
Converting Gallon (US)s to Cup (US)s is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 gal = 16.0000 cup
Calculation Example
Let's say you want to convert 5 gal to cup:
- Input: 5 gal
- Calculation: 5 × 16.0000
- Result: 80.0000 cup
About the Gallon (US) to Cup (US) conversion
The conversion factor from Gallon (US) (gal) to Cup (US) (cup) is 16, meaning 1 gal = 16 cup and inversely 1 cup = 0.0625 gal. That makes the Gallon (US) the larger of the two units in the volume category, where the SI base unit is the liter. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Cup (US) to Gallon (US) converter.
Frequently Asked Questions
How do I convert Gallon (US) to Cup (US)?
To convert Gallon (US) to Cup (US), you need to multiply the gal value by 16.0000.
What is the formula for gal to cup?
The simple formula is: cup = gal × 16.0000.
Which is bigger: Gallon (US) or Cup (US)?
A Gallon (US) is bigger. One Gallon (US) is equal to approx 16.0000 Cup (US)s.
How many Gallon (US)s are in one Cup (US)?
There are approximately 0.0625000 Gallon (US)s in one Cup (US).
Quick Conversion Table
| gal | cup |
|---|---|
| 1 | 16.0000 |
| 5 | 80.0000 |
| 10 | 160.0000 |
| 20 | 320.0000 |
| 50 | 800.0000 |
| 100 | 1600.0000 |