421 gal ≈ 2.5033 yd³ (Imperial; in US gallons: 421 US gal = 2.0844 yd³). To convert gallons to cubic yards, multiply by 0.0059460573: 421 × 0.0059460573 = 2.5033.
How to convert gallons to cubic yards
yd³ = gal × 0.0059460573
- 1 gal = 0.0059460573 yd³ (and 1 yd³ = 168.17867 gal).
- Multiply the amount by the factor: 421 × 0.0059460573 = 2.5033.
- Answer: 421 gal ≈ 2.5033 yd³ (rounded to 6 significant figures).
Gallons to Cubic Yards table
| Gallons (gal) | Cubic Yards (yd³) |
|---|---|
| 416 gal | 2.4736 yd³ |
| 417 gal | 2.4795 yd³ |
| 418 gal | 2.4855 yd³ |
| 419 gal | 2.4914 yd³ |
| 420 gal | 2.4973 yd³ |
| 421 gal | 2.5033 yd³ |
| 422 gal | 2.5092 yd³ |
| 423 gal | 2.5152 yd³ |
| 424 gal | 2.5211 yd³ |
| 425 gal | 2.5271 yd³ |
| 426 gal | 2.533 yd³ |
| gal | yd³ |
|---|---|
| 1 gal | 0.00594606 yd³ |
| 5 gal | 0.0297303 yd³ |
| 10 gal | 0.0594606 yd³ |
| 50 gal | 0.297303 yd³ |
| 100 gal | 0.594606 yd³ |
| 1,000 gal | 5.9461 yd³ |
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: 421 US gal = 2.0844 yd³.