31.8 gal ≈ 508.8 cup (Imperial; in US cups: 31.8 gal = 611.043 US cup). To convert gallons to cups, multiply by 16.000001: 31.8 × 16.000001 = 508.8.
How to convert gallons to cups
cup = gal × 16.000001
- 1 gal = 16.000001 cup (and 1 cup = 0.062499995 gal).
- Multiply the amount by the factor: 31.8 × 16.000001 = 508.8.
- Answer: 31.8 gal ≈ 508.8 cup (rounded to 6 significant figures).
Gallons to Cups table
| Gallons (gal) | Cups (cup) |
|---|---|
| 31.3 gal | 500.8 cup |
| 31.4 gal | 502.4 cup |
| 31.5 gal | 504 cup |
| 31.6 gal | 505.6 cup |
| 31.7 gal | 507.2 cup |
| 31.8 gal | 508.8 cup |
| 31.9 gal | 510.4 cup |
| 32 gal | 512 cup |
| 32.1 gal | 513.6 cup |
| 32.2 gal | 515.2 cup |
| 32.3 gal | 516.8 cup |
| gal | cup |
|---|---|
| 1 gal | 16 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 50 gal | 800 cup |
| 100 gal | 1,600 cup |
| 1,000 gal | 16,000 cup |
Good to know
The gal here is the Imperial (UK) gallon: 1 gal = 4.54609 L. A US gallon is 3.78541 L.
In US gallons: 31.8 US gal = 423.665 cup.
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 31.8 gal = 611.043 US cup.