To convert US teaspoons to acre-feet, multiply the value by 3.99594 × 10⁻⁹. To go the other way, multiply acre-feet by 250,254,000 to get US teaspoons.
| US Teaspoons (tsp) | Acre-Feet (ac·ft) |
|---|---|
| 1 tsp | 3.99594 × 10⁻⁹ ac·ft |
| 2 tsp | 7.99188 × 10⁻⁹ ac·ft |
| 5 tsp | 1.99797 × 10⁻⁸ ac·ft |
| 10 tsp | 3.99594 × 10⁻⁸ ac·ft |
| 20 tsp | 7.99188 × 10⁻⁸ ac·ft |
| 50 tsp | 1.99797 × 10⁻⁷ ac·ft |
| 100 tsp | 3.99594 × 10⁻⁷ ac·ft |
| 500 tsp | 1.99797 × 10⁻⁶ ac·ft |
| 1,000 tsp | 3.99594 × 10⁻⁶ ac·ft |
25 tsp × 3.99594 × 10⁻⁹ = 9.98985 × 10⁻⁸ ac·ft
Try this example →250 tsp × 3.99594 × 10⁻⁹ = 9.98985 × 10⁻⁷ ac·ft
Try this example →US teaspoon (tsp). A US teaspoon is 4.9289 mL (1/3 tablespoon).
Acre-foot (ac·ft). An acre-foot is the volume of water covering an acre to a depth of one foot (1,233.5 m³), the US water-resources unit.
There are 3.99594 × 10⁻⁹ acre-feet in one US teaspoon.
Multiply the number of US teaspoons by 3.99594 × 10⁻⁹. For example, 10 US teaspoons equal 3.99594 × 10⁻⁸ acre-feet.
One acre-foot equals 250,254,000 US teaspoons.