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Tablespoons to cups

Convert tablespoons to US cups, rounded to the nearest measuring cup, with the math shown step by step.

Favorite
Cups (US)
1 1/3 cups

21.33 tbsp ≈ 1 1/3 cups

Exact amount 1.333 cups · 1 1/3 cups is 0.05 ml over

Also equals

How it works

cups = tbsp ÷ 16

There are exactly 16 tablespoons in a US cup, so dividing by 16 gives cups as a decimal. Then round to the nearest measuring cup.

  1. Divide by 16 21.33 ÷ 16 = 1.3331 cups
  2. Round to the nearest measuring cup 1.3331 → 1 1/3 cups
Picture it

1 full cup, plus about 1/3 cup

Nearby values

Tablespoons Cups (US) Exact Milliliters
18.33 tbsp 1 1/8 cups 1.15 271.04
19.33 tbsp 1 1/4 cups 1.21 285.83
20.33 tbsp 1 1/4 cups 1.27 300.61
21.33 tbsp 1 1/3 cups 1.33 315.4
22.33 tbsp 1 1/3 cups 1.4 330.19
23.33 tbsp 1 1/2 cups 1.46 344.98
24.33 tbsp 1 1/2 cups 1.52 359.76

Printed from rocketcalc.io/volume/tbsp-to-cups/21.33