How to convert Metric tablespoons (15 mL) to US customary cups
cup (US) = tbsp (metric) × 0.0634012925659556
Multiply the tbsp (metric) reading by 0.0634012925659556.
Worked examples
1 tbsp (metric) ≈ 0.06340129257 cup (US)
1 × 0.0634012925659556 ≈ 0.06340129257
2 tbsp (metric) ≈ 0.1268025851 cup (US)
2 × 0.0634012925659556 ≈ 0.1268025851
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 tablespoons (15 mL) to US customary cups table
Fixed reference · Metric tablespoon (15 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 tablespoon (15 mL) (tbsp (metric))
US customary cup (cup (US))
0
0
0.1
0.006340129257
0.5
0.03170064628
1
0.06340129257
2
0.1268025851
5
0.3170064628
10
0.6340129257
25
1.585032314
50
3.170064628
100
6.340129257
1000
63.40129257
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.