There are about 3.2 cups in a pound of Active Dry Yeast. Active Dry Yeast weighs 144 g per cup (spooned and levelled), so a pound — 453.59 g — divides to 3.15 cups. Dormant yeast granules that must be dissolved in warm water before use. Breads, pizza dough, rolls and brioche. Every figure on this page is approximate, because a cup measures volume and the weight depends on how the ingredient settles and how it was measured; when the amount matters — a cake, a sauce that must set, a dough that must rise — weigh the Active Dry Yeast on a kitchen scale instead of trusting the cup. This page gives you the full table for a pound and beyond, worked examples from real recipes, the method behind the figure, and the mistakes that catch people out.

How many cups in a pound of Active Dry Yeast?

A pound of Active Dry Yeast is about 3.2 cups (3.15 cups, to be exact). The table below covers a quarter of a pound up to ten pounds, so you can read off whatever your recipe or your bulk buy calls for without doing the division yourself. If your recipe lists Active Dry Yeast in grams, the same table works in reverse: find the grams and read across to the cups.

Amount Cups Grams Tablespoons Millilitres
0.25 lb 0.79 113 13 186
0.5 lb 1.57 227 25 373
0.75 lb 2.36 340 38 559
1 lb 3.15 454 50 745
2 lb 6.30 907 101 1491
5 lb 15.75 2268 252 3726
10 lb 31.50 4536 504 7453

The tablespoons column is the useful one for small amounts: a pound of Active Dry Yeast is about 50 tablespoons, and a single tablespoon weighs about 9.0 g. Use the pounds to grams converter if your recipe lists a different weight, and the cups to grams converter if you need the figure for a single cup of active dry yeast.

How the maths works

The conversion is a single division: one pound is 453.59 g, and one cup of Active Dry Yeast weighs 144 g, so 453.59 ÷ 144 = 3.15 cups. Going the other way, one cup of Active Dry Yeast weighs 144 g, which is 0.32 lb, and one tablespoon weighs about 9.0 g while one teaspoon weighs about 3.00 g. To get any number of cups, weigh that many times 144 g: two cups is 288 g, three cups is 432 g, and half a cup is 72 g. In volume terms, a pound of Active Dry Yeast is about 745 ml, since one US cup is 236.6 ml. Remember that the cup is a volume and the pound is a weight, so this maths only works because we know the density of Active Dry Yeast; the same pound of a different ingredient would be a different number of cups entirely.

Worked examples

The examples below use real recipes, with the cups and the grams side by side so you can follow the maths in context. Each one also notes where the cup is good enough and where the scale earns its keep.

Two loaves of bread

Two loaves of bread need 2 tablespoons of Active Dry Yeast — about 18 g — two tablespoons of yeast, about two and a half packets, for a Saturday bake. Two tablespoons is about 18 g; one standard packet holds 7 g, so a pound of yeast is roughly 65 packets, enough for a year of weekly baking.

Pizza dough for a party

Pizza dough for a party needs 1.5 tablespoons of Active Dry Yeast — about 14 g — a tablespoon and a half for four pizza bases. A tablespoon and a half is about 14 g; a long, slow rise with less yeast gives a better flavour than a fast rise with more.

Cinnamon rolls for a dozen

Cinnamon rolls for a dozen need 1 tablespoon of Active Dry Yeast — about 9 g — one tablespoon for an enriched dough with butter, eggs and sugar. One tablespoon is about 9 g; enriched doughs rise more slowly, so give the rolls a full two hours and do not rush them into the oven.

How the figure was measured

The weight figure on this page comes from King Arthur Baking: Active Dry Yeast weighs 144 g per cup, measured spooned and levelled, and that figure carries medium confidence in CookScale's 120-ingredient table. King Arthur lists instant yeast at 144 g per cup; active dry yeast is sold in 7 g packets and has a similar density. We use 144 g with medium confidence. All weights are per US cup (236.6 ml), and every cup-based result on this page is approximate, because a cup measures volume while the weight depends on how the ingredient settles, how fresh it is, and how it was measured. When the amount matters — a cake, a sauce that must set, a dough that must rise — weigh the Active Dry Yeast on a kitchen scale instead of trusting the cup. Read more about this ingredient on the Active Dry Yeast hub, which covers its weight, its measures, its storage and its substitutes in one place.

How to measure it

Spoon Active Dry Yeast into a dry measuring spoon and level it with a knife — never scoop the spoon through the tin, and never heap it. Leavening is the one ingredient where a careless spoonful changes the outcome: too much leaves a bitter or metallic taste and can make a cake rise and then collapse. One teaspoon of Active Dry Yeast weighs about 3.00 g, so for large batches weigh it rather than counting spoonfuls.

Practical guidance

Leavening loses strength with age and damp, so a pound of it is only a bargain if you bake often enough to use it while it is fresh. Cool, dry place; refrigerate after opening and check the expiry date. Proof yeast in warm water with a pinch of sugar before committing the flour; dead yeast wastes a whole batch. Date the tin when you open it, and test it before an important bake — a failed rise wastes the whole batch, not just the leavening.

Why recipes ask for a pound of Active Dry Yeast

Yeast is sold in 7 g packets, in jars and in bulk by weight, while bread recipes call for teaspoons and tablespoons, so the pound conversion connects the bulk bag to the recipe. A pound is about three cups, or roughly 65 packets, which is a year of weekly bread baking from a single bulk buy.

Buying and storing a pound of Active Dry Yeast

A pound of leavening is a professional quantity for a home cook, but it is cheap, so the cost of the pound is rarely the issue — the issue is using it before it loses strength. If you bake weekly, a pound lasts a year; if you bake monthly, buy the small tin instead.

Frequently asked questions

How many teaspoons are in a pound of Active Dry Yeast?

About 151 teaspoons. A pound of Active Dry Yeast is about 3.15 cups, and there are 48 teaspoons in a cup, so 3.15 × 48 is about 151. A single teaspoon weighs about 3.00 g.

Can I use too much Active Dry Yeast?

Yes, and it is the most common leavening mistake. Too much Active Dry Yeast leaves a bitter, metallic or soapy taste and can make a cake rise fast and then collapse in the middle. Measure it level with a knife, never heaped, and never add extra 'for luck'.

How do I know if my Active Dry Yeast is still active?

Stir it into warm water with a pinch of sugar and wait ten minutes. It should foam and smell yeasty; if nothing happens, the yeast is dead.

How should I store a pound of Active Dry Yeast?

In an airtight container in a cool, dry place. Cool, dry place; refrigerate after opening and check the expiry date. Date the tin when you open it, and test it before an important bake — a failed rise wastes the whole batch.

How many packets of yeast are in a pound?

About 65 — a standard packet holds 7 g, and a pound is 454 g. A tablespoon of yeast is about 9 g, so a packet is a little under a tablespoon, and most bread recipes use one packet per loaf.

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