How to convert Metric teaspoons (5 mL) to US customary cups
cup (US) = tsp (metric) × 0.0211337641886519
Multiply the tsp (metric) reading by 0.0211337641886519.
Worked examples
1 tsp (metric) ≈ 0.02113376419 cup (US)
1 × 0.0211337641886519 ≈ 0.02113376419
3 tsp (metric) ≈ 0.06340129257 cup (US)
3 × 0.0211337641886519 ≈ 0.06340129257
Frequently asked questions
Which recipe measure should I select?
A metric cup is 250 mL, while a US customary cup is 236.5882365 mL. Metric teaspoons and tablespoons here are 5 mL and 15 mL; US customary spoons differ. Match the named definition in the recipe.
Metric teaspoons (5 mL) to US customary cups table
Fixed reference · Metric teaspoon (5 mL) to US customary cup
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Metric teaspoon (5 mL) (tsp (metric))
US customary cup (cup (US))
0
0
0.1
0.002113376419
0.5
0.01056688209
1
0.02113376419
2
0.04226752838
5
0.1056688209
10
0.2113376419
25
0.5283441047
50
1.056688209
100
2.113376419
1000
21.13376419
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.