Direct conversion
Convert teaspoon (US) [tsp US] to cup (UK) [cup UK] instantly with formula, examples, chart, and FAQs.
1 teaspoon (US) [tsp US] = 0.017347 cup (UK) [cup UK]
1 teaspoon (US) [tsp US] = 0.017347 cup (UK) [cup UK]
Example: 1 teaspoon (US) [tsp US] equals 0.017347 cup (UK) [cup UK].
Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The teaspoon (US) (tsp US) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse teaspoon (US) when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
The cup (UK) (cup UK) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse cup (UK) when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
| teaspoon (US) [tsp US] | cup (UK) [cup UK] |
|---|---|
| 1 | 0.017347 |
| 2 | 0.034695 |
| 5 | 0.086737 |
| 10 | 0.173474 |
| 20 | 0.346948 |
| 25 | 0.433684 |
| 50 | 0.867369 |
| 100 | 1.734738 |
| 1000 | 17.347379 |
Use this formula: 1 teaspoon (US) [tsp US] = 0.017347 cup (UK) [cup UK] Enter your value in the calculator and the result updates instantly.
1 teaspoon (US) [tsp US] equals 0.017347 cup (UK) [cup UK].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.