At One Place

21 cup to L

21 US cups in liters
21 cup = 4.968353 L
L = cup × 0.2365882365

21 US cups is 4.968353 liters. To get there, multiply by 0.2365882365.

Values either side

US cups near 21, converted to liters.
US cups Liters
17 cup 4.022
18 cup 4.258588
19 cup 4.495176
20 cup 4.731765
21 cup ← 4.968353
22 cup 5.204941
23 cup 5.441529
24 cup 5.678118
25 cup 5.914706

How the conversion works

The relationship is L = cup × 0.2365882365. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL.

Common questions

What is 21 cup in liters?
21 cup is 4.968353 L.
How do you convert US cups to liters?
Multiply by 0.2365882365.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked