Table Of Contents
Gallons to cups Conversion
1 gallons (gal) is equal to 16 cups (cup).
1 gal = 16 cup
or
1 cup = 0.0625 gal
Formula
To convert a volume from gallons (gal) to cups (cup), multiply the volume in gallons by 16
v(cup) = v(gal) × 16
Examples:
Convert 1 gallons to cups:
v(cup) = 1gal × 16 = 16 cup
Conversion table
| Gallons (gal) | Cups (cup) |
|---|---|
| 1 gal | 16 cup |
| 2 gal | 32 cup |
| 3 gal | 48 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 15 gal | 240 cup |
| 20 gal | 320 cup |
| 25 gal | 400 cup |
| 50 gal | 800 cup |
| 100 gal | 1600 cup |
| 250 gal | 4000 cup |
| 500 gal | 8000 cup |
| 1000 gal | 16000 cup |
| Cups (cup) | Gallons (gal) |
|---|---|
| 1 cup | 0.0625 gal |
| 2 cup | 0.125 gal |
| 3 cup | 0.1875 gal |
| 5 cup | 0.3125 gal |
| 10 cup | 0.625 gal |
| 15 cup | 0.9375 gal |
| 20 cup | 1.25 gal |
| 25 cup | 1.5625 gal |
| 50 cup | 3.125 gal |
| 100 cup | 6.25 gal |
| 250 cup | 15.625 gal |
| 500 cup | 31.25 gal |
| 1000 cup | 62.5 gal |
Frequently asked questions
How do I convert gallons to cups?
Multiply the value in gallons by 16 to get the result in cups. For example, 5 gal × 16 = 80 cup.
How many cups are in 1 gallons?
1 gallons (gal) is equal to 16 cups (cup).
How do I convert cups back to gallons?
Use the inverse operation: divide the value in cups by 16 to get the result in gallons.
How accurate is the gallons to cups conversion?
The converter multiplies by the conversion factor 16 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- NIST Handbook 44, Appendix C — General Tables of Units of Measurement (current edition)
- NIST SP 811 (2008 ed.) — Guide for the Use of the International System of Units (SI)
- The Unified Code for Units of Measure (UCUM), Version 2.2 (2024-06-17)
