Convert Instant Yeast from Cup (US)

How much is 1 US cup of instant yeast?

1 US cup of instant yeast (fast-acting yeast) is 144 grams, about 5.08 ounces. 0.5 US cups of instant yeast is 72 grams and 2 US cups is 288 grams. Use the converter below for any amount.

Instant yeast is a finely milled dry yeast that mixes straight into dry ingredients without proofing first. One metric cup (250 ml) of instant yeast weighs around 150 grams or 5.29 ounces, though recipes almost always measure it by the teaspoon or sachet (a 7 g sachet equals about 2 1/3 teaspoons). It is the quickest route to a reliable rise in bread, pizza dough, and cinnamon rolls.

Yeast amounts are tiny but matter a lot: too little gives a dense loaf, too much an over-proofed one with a yeasty taste. Weighing in grams is far more accurate than scooping a teaspoon, especially when scaling a recipe up or down.

Also known as

  • fast-acting yeast
  • rapid rise yeast
  • bread machine yeast
  • quick yeast

Active dry yeast is granular and needs proofing in warm liquid before use, unlike instant yeast which goes straight into the dry mix. They are interchangeable 1:1 by weight, so the swap is about method rather than amount. See active dry yeast in US cups.

No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.

Scoop it right, get measuring cups

Instant Yeast Measurement Converter

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Common Instant Yeast Conversions

Here are the most common instant yeast conversions from cups (US) to grams.

Cups (US)Grams
0.25 cups (US)36 g
0.5 cups (US)72 g
0.75 cups (US)108 g
1 cup (US)144 g
1.25 cups (US)180 g
1.5 cups (US)216 g
2 cups (US)288 g
2.5 cups (US)360 g
3 cups (US)432 g

Instant Yeast Conversion Chart

The conversion chart below gives a quick reference for converting instant yeast from Cup (US) to other measurements.

cup(US)cupgramsouncestbsptsp
0.25 cup (US)0.24 cup36 g1.27 oz4 tbsp12 tsp
0.5 cup (US)0.48 cup72 g2.54 oz8 tbsp24 tsp
1 cup (US)0.96 cup144 g5.08 oz16 tbsp48 tsp
2 cup (US)1.92 cup288 g10.16 oz32 tbsp96 tsp

Frequently Asked Questions

How much is 1 US cup of instant yeast?
1 US cup of instant yeast is 144 grams, or 5.08 ounces. The ratio is fixed, so 0.5 US cups of instant yeast is 72 grams and 2 US cups is 288 grams. Whatever unit your recipe uses, enter the amount in the converter above or read the conversion chart on this page for the most common quantities. Open the instant yeast converter
How many grams is 1 US cup of instant yeast?
1 US cup of instant yeast is 144 grams. The conversion scales in a straight line, so 0.5 US cups is 72 grams and 2 US cups is 288 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact grams reading at any amount. 1 US cup instant yeast in grams
How many US cups of instant yeast is 144 grams?
144 grams of instant yeast is 1 US cup. The conversion works the same in reverse, so you can switch between US cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.
What is 1 US cup of instant yeast in ounces?
1 US cup of instant yeast is 5.08 ounces. The ratio is fixed, so 0.5 US cups is 2.54 ounces and 2 US cups is 10.16 ounces. Use the converter above for any other amount, or see the chart on this page for the common quantities at a glance. 1 US cup instant yeast in ounces
How do US cups and tablespoons compare as units?
US cups and tablespoons are both volume units, so the conversion between them does not vary by ingredient. One metric cup holds about 16.67 tablespoons or 50 teaspoons, and the ratio stays fixed regardless of what you are measuring. The volume converter handles any amount between cups, tablespoons, teaspoons, and millilitres. Cups (US) to tablespoons

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