686 cup ≈ 6.8833 ft³ (Imperial; in US cups: 686 US cup = 5.7316 ft³). To convert cups to cubic feet, multiply by 0.010033977: 686 × 0.010033977 = 6.8833.
How to convert cups to cubic feet
ft³ = cup × 0.010033977
- 1 cup = 0.010033977 ft³ (and 1 ft³ = 99.661376 cup).
- Multiply the amount by the factor: 686 × 0.010033977 = 6.8833.
- Answer: 686 cup ≈ 6.8833 ft³ (rounded to 6 significant figures).
Cups to Cubic Feet table
| Cups (cup) | Cubic Feet (ft³) |
|---|---|
| 681 cup | 6.8331 ft³ |
| 682 cup | 6.8432 ft³ |
| 683 cup | 6.8532 ft³ |
| 684 cup | 6.8632 ft³ |
| 685 cup | 6.8733 ft³ |
| 686 cup | 6.8833 ft³ |
| 687 cup | 6.8933 ft³ |
| 688 cup | 6.9034 ft³ |
| 689 cup | 6.9134 ft³ |
| 690 cup | 6.9234 ft³ |
| 691 cup | 6.9335 ft³ |
| cup | ft³ |
|---|---|
| 1 cup | 0.010034 ft³ |
| 5 cup | 0.0501699 ft³ |
| 10 cup | 0.10034 ft³ |
| 50 cup | 0.501699 ft³ |
| 100 cup | 1.0034 ft³ |
| 1,000 cup | 10.034 ft³ |
Good to know
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 686 US cup = 5.7316 ft³.