21 pt to cup
21 US pints in US cups
21 pt = 42 cup
cup = pt × 2
21 US pints is 42 US cups. To get there, multiply by 2.
Values either side
| US pints | US cups |
|---|---|
| 17 pt | 34 |
| 18 pt | 36 |
| 19 pt | 38 |
| 20 pt | 40 |
| 21 pt ← | 42 |
| 22 pt | 44 |
| 23 pt | 46 |
| 24 pt | 48 |
| 25 pt | 50 |
How the conversion works
The relationship is cup = pt × 2. 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 pt in US cups?
- 21 pt is 42 cup.
- How do you convert US pints to US cups?
- Multiply by 2.
Related pages
- US pints to US cups Full table and converter
- 21 cup to pt The other direction
- 17 pt to cup 34 cup
- 18 pt to cup 36 cup
- 19 pt to cup 38 cup
- 20 pt to cup 40 cup
- 22 pt to cup 44 cup
- 23 pt to cup 46 cup
- 24 pt to cup 48 cup
- 25 pt to cup 50 cup
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place