Gallon (US) to Cup Converter
Convert gallon (us)s to cups (gal to cup) instantly with this free online volume converter. Enter any value in the Gallon (US) field and get the equivalent in Cup immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 gal = 16.00000845 cup. To convert gallon (us)s to cups, multiply your Gallon (US) value by 16.00000845. For example, 10 gal = 160.0000845 cup. You can also reverse the calculation: 1 cup = 0.06249996698 gal.
Quick conversion table
| Gallon (US) (gal) | Cup (cup) |
|---|---|
| 1 gal | 16.00000845 cup |
| 5 gal | 80.00004227 cup |
| 10 gal | 160.0000845 cup |
| 25 gal | 400.0002113 cup |
| 50 gal | 800.0004227 cup |
| 100 gal | 1600.000845 cup |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the volume category.
Formula
Gallon (US) to Cup conversion: 1 gal = 16.00000845 cup cups = gallon (us)s × 16.00000845 1 cup = 0.06249996698 gal gallon (us)s = cups × 0.06249996698
Example
Example: Convert 10 gal to cup: 10 gal × 16.00000845 = 160.0000845 cup So, 10 gal is about 160.0000845 cup. To convert back, multiply by 0.06249996698: 160.0000845 cup × 0.06249996698 = 10 gal.
How to Use
- Enter the value you want to convert in the Gallon (US) field
- The result in Cup appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert gallon (us)s to cups?
Enter the value in Gallon (US) (gal) in the 'From' field. The equivalent in Cup (cup) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert gal to cup?
1 gal = 16.00000845 cup, so cups = gallon (us)s × 16.00000845. To convert back, 1 cup = 0.06249996698 gal. The full formula and a worked example are shown on this page.
How many cups are in one Gallon (US)?
1 gal = 16.00000845 cup.
Is this Gallon (US) to Cup converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert cups back to gallon (us)s?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other volume unit for either field.
How accurate is the gal to cup conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.