Convert Cubic feet to US teaspoons
1 cubic foot is 5,745.04 tsp. One cubic foot is exactly 5745.03896104 US teaspoons.
One cubic foot is 5745.039 US teaspoons. To convert cubic feet to US teaspoons, multiply by 5745.039; to go the other way, divide by 5745.039 or multiply by 1.7406 × 10^-4. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. Exactly 28.316846592 litres, or 7.48 US gallons.
Factor checked against the defining standard · How we check
- Cubic feet × 5745.039
1 * 5745.0395,745.039 tsp
1 cubic foot in every volume unit
| Unit | Value | Exact factor |
|---|---|---|
| US teaspoons | 5,745.038961 tsp | × 5,745.03896104 |
| US tablespoons | 1,915.012987 tbsp | × 1,915.01298701 |
| US fluid ounces | 957.5064935 fl oz | × 957.506493506 |
| US cups | 119.6883117 cup | × 119.688311688 |
| US pints | 59.84415584 pt | × 59.8441558442 |
| US quarts | 29.92207792 qt | × 29.9220779221 |
| US gallons | 7.480519481 gal | × 7.48051948052 |
| milliliters | 28,316.84659 ml | × 28,316.846592 |
| liters | 28.31684659 L | × 28.316846592 |
| imperial gallons | 6.228835459 gal (UK) | × 6.22883545904 |
| imperial quarts | 24.91534184 qt (UK) | × 24.9153418362 |
| imperial pints | 49.83068367 pt (UK) | × 49.8306836723 |
| imperial fluid ounces | 996.6136734 fl oz (UK) | × 996.613673447 |
| imperial gills | 199.3227347 gi (UK) | × 199.322734689 |
| cubic millimetres | 28,316,846.59 mm³ | × 28,316,846.592 |
| cubic centimetres | 28,316.84659 cm³ | × 28,316.846592 |
| cubic inches | 1,728 in³ | × 1,728 |
| cubic feet (as entered) | 1 ft³ | — |
| cubic yards | 0.03703703704 yd³ | × 0.037037037037 |
| cubic metres | 0.02831684659 m³ | × 0.028316846592 |
Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert cubic feet to US teaspoons? The converter and the working
- 1.Take the measurement in cubic feet.
- 2.Multiply by 5745.039 — that is how many US teaspoons fit in one cubic foot.
- 3.To go back the other way, divide by 5745.039, or multiply by 1.7406 × 10^-4.
Worked example: 25 cubic feet to US teaspoons
- Formula
- ft³ × 5745.039 = tsp
- Arithmetic
- 25 × 5745.039 = 143,625.97 tsp
- Answer
- 25 ft³ = 143,625.97 tsp
The factor is rounded for display; the figure above is computed from the full value.
Cubic feet to US teaspoons conversion table
| Cubic feet | US teaspoons |
|---|---|
| 1 ft³ | 5,745.04 tsp |
| 2 ft³ | 11,490.08 tsp |
| 3 ft³ | 17,235.12 tsp |
| 4 ft³ | 22,980.16 tsp |
| 5 ft³ | 28,725.19 tsp |
| 6 ft³ | 34,470.23 tsp |
| 7 ft³ | 40,215.27 tsp |
| 8 ft³ | 45,960.31 tsp |
| 9 ft³ | 51,705.35 tsp |
| 10 ft³ | 57,450.39 tsp |
| 12 ft³ | 68,940.47 tsp |
| 15 ft³ | 86,175.58 tsp |
| 20 ft³ | 114,900.78 tsp |
| 25 ft³ | 143,625.97 tsp |
| 50 ft³ | 287,251.95 tsp |
| 100 ft³ | 574,503.9 tsp |
| 200 ft³ | 1,149,007.79 tsp |
| 300 ft³ | 1,723,511.69 tsp |
| 500 ft³ | 2,872,519.48 tsp |
| 1000 ft³ | 5,745,038.96 tsp |
| 2000 ft³ | 11,490,077.92 tsp |
| 5000 ft³ | 28,725,194.81 tsp |
| 10000 ft³ | 57,450,389.61 tsp |
What is a cubic foot?
Exactly 28.316846592 litres, or 7.48 US gallons. The working unit of natural gas billing, air flow and refrigerator capacity in the US.
What is a US teaspoon?
One third of a tablespoon, about 4.93 ml. A metric teaspoon is a round 5 ml, which is why recipes rarely notice the difference.
How many US teaspoons are in a cubic foot?
One cubic foot is 5745.039 US teaspoons. Going the other way, one US teaspoon is 1.7406 × 10^-4 cubic feet. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every volume unit here
The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a cubic foot.
Cite this page
- APA
- Rule Calculator. (2026). Convert Cubic feet to US teaspoons. Rule Calculator. https://rulecalculators.com/convert/cubic-foot-to-teaspoon
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- "Convert Cubic feet to US teaspoons." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/cubic-foot-to-teaspoon.
- Chicago
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Questions people actually ask
- How many US teaspoons are in a cubic foot?
- 5745.039. One third of a tablespoon, about 4.93 ml. A metric teaspoon is a round 5 ml, which is why recipes rarely notice the difference.
- How do I convert US teaspoons back to cubic feet?
- Divide by 5745.039, or multiply by 1.7406 × 10^-4 — they are the same operation.
Other volume conversions
US teaspoons to cubic feet — the same conversion the other way.