Ounces to Cups

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Formula for converting Ounces to Cups

Converting ounces to cups depends slightly on the measurement system you're using. The general formula is: Ounces / X where X is a constant value depending on your measurement system. For the US, X = 8, UK, X = 10, and Metric, X = 8.45351

For example, let's imagine you need to convert 4 ounces:

US formula: 4 / 8 = .5 cups

UK formula: 4 / 10 = .4 cups

Metric formula: 4 / 8.45351 = .4732 cups

Need to convert Cups to Ounces? Try our Cups to Ounces calculator

Common Cups to Ounces conversions

Cups US Ounces UK / Imperial Ounces Metric
1 cup 8 oz 10 oz 8.45 oz
2 cups 16 oz 20 oz 16.90 oz
4 cups 32 oz 40 oz 33.80
8 cups 64 oz 80 oz 67.60

Tips for accurate measurements

Accurate measurements in cooking, or really anwhere, can be extremely important. Here are some tips:

  • Reliable scales: Be sure to use a reliable, high quality digital scale to achieve a prescise measurement. Weighing ingredients in cooking, especially baking, is pretty common - especially if you want to make sure you get your recipe correct.
  • Dry ingredients: Using a spoon for ingredients like flour or sugar can be useful to fluff the ingredient. Additionally, using a knife or other straight edge to level off your ingredient can help avoid packing ingredients too densely.
  • Liquid ingredients: Clear measuring cups with graduated markings are usually best for measuring liquids. Be sure that the cup is on a flat surface so as to not tilt the liquid and throw off your measurement.