Convert between US cups and UK imperial cups instantly with a bidirectional cooking measurement converter.
The US UK Cup Converter changes recipe volumes between US customary cups and UK imperial cups. Enter the amount in the first field and the result updates immediately using 1 US cup = 0.832674 UK cup.
Use the swap control to convert UK cups back to US cups. For example, 2 US cups equals 1.66535 UK cups, while 2 UK cups equals about 2.4019 US cups.
US and UK cup measures are not the same volume. A US cup is about 236.6 mL, while a UK imperial cup is about 284.1 mL, so copying a cup amount directly can change hydration, batter thickness, or sauce consistency.
This is especially important when adapting recipes between American and British sources, where the word "cup" can look identical but refer to different amounts.
Common questions about the US UK Cup Converter
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