Garlic Converter — Cloves to Garlic Powder

Background.

"How much garlic powder equals a clove?" has two defensible answers that differ by a factor of three and a half, and picking the wrong one will either ruin your dinner or wreck your yield calculation. This page gives both and labels them.

The cooking answer comes from McCormick, which makes the powder: "substitute one medium-size clove, finely minced, for each 1/8 teaspoon of garlic powder. That works in reverse, too!" One clove, ⅛ teaspoon. That is a flavour-intensity recommendation, and it is what you want when a recipe says three cloves and all you have is a jar.

The physical answer comes from arithmetic on two rows of USDA's Nutritive Value of Foods: a raw clove weighs 3 g and is 59% water, so it carries 1.23 g of dry solids; garlic powder is 94% solids, so those same solids weigh 1.31 g as powder — 0.44 teaspoons, not 0.125. That is genuinely how much powder one clove becomes when it is dried and milled, and it is the figure you want if you are calculating a dehydration yield or working out what a label should say.

Both are right about different things. Dried garlic delivers far more perceived punch per gram of solids than a raw clove does, which is why the culinary substitution is deliberately much smaller than the mass balance. Use the first basis at the stove and the second on paper.

Two things this page will not do. It will not convert teaspoons of minced garlic, because no primary source publishes the volume a minced clove occupies — but mincing does not change weight, so the fresh-garlic gram figure is also the minced-garlic gram figure, and a scale settles it. And it will not touch granulated garlic or garlic salt, because there is no sourced ratio for either; garlic salt in particular is mostly salt, in a proportion manufacturers do not publish.

What is garlic converter?

A garlic converter translates between the forms garlic comes in: whole cloves, fresh garlic by weight, and garlic powder by teaspoon or by weight. The conversion is not a unit conversion — it is an ingredient equivalence, which is why a general cooking converter cannot do it and why the answer depends on what you are trying to achieve.

This page runs on three sourced constants and one choice. USDA's Home and Garden Bulletin No. 72 puts a raw clove at 3 g with 59% water, and a teaspoon of garlic powder at 3 g with 6% water. McCormick puts one medium clove at ⅛ teaspoon of powder for cooking purposes. Choose the cooking basis and the calculator uses McCormick's ratio; choose the dry-matter basis and it computes the ratio from the two USDA moisture contents instead.

How to use this calculator.

1. 01Pick the basis: cooking substitution if you are seasoning food, dry-matter equivalence if you are calculating a yield.
2. 02Choose what you are starting from — cloves, fresh grams, powder teaspoons or powder grams.
3. 03Enter the amount.
4. 04Read the garlic powder figure at the top; the fresh-clove and fresh-weight equivalents are below it.
5. 05If you need minced garlic, use the fresh-weight figure and a scale — mincing does not change the weight.
6. 06Season to taste regardless. Cloves vary in size by a factor of two or more, and 3 g is USDA's medium clove, not yours.

The formula.

On the culinary basis the calculation is McCormick's ratio applied directly: grams of powder = cloves × 0.125 tsp × 3 g per tsp = cloves × 0.375 g. Three cloves therefore call for 0.375 tsp — three eighths of a teaspoon — which weighs 1.125 g, while the fresh garlic those cloves represent weighs 3 × 3 = 9 g.

On the dry-matter basis the calculation is a moisture balance. Drying removes water and nothing else, so the solids are conserved. One 3 g clove at 59% water carries 3 × (1 − 0.59) = 1.23 g of solids. Garlic powder is 6% water, so it is 94% solids, and 1.23 g of solids weighs 1.23 ÷ 0.94 = 1.3085 g as powder. Dividing by 3 g per teaspoon gives 0.4362 tsp per clove. The same three cloves therefore correspond to 3.9255 g, or 1.3085 tsp, of powder.

The ratio between the two bases is 1.3085 ÷ 0.375 = 3.489, which is the 'about 3.5 times' the page keeps repeating. It is not a rounding artefact and it is not a contradiction: McCormick is telling you how much powder tastes like one clove, and the USDA rows tell you how much powder one clove weighs after drying. Dehydrated garlic is a far more efficient flavour delivery vehicle per gram of solids than a raw clove — its cell walls are already ruptured and its compounds disperse instantly through a dish — so much less of it is needed to reach the same intensity.

Every direction is the inverse of the others, computed by dividing rather than multiplying, so a round trip returns the number you started with. Nothing is rounded until the final return, at ten decimal places.

The usual caution about clove size applies and it dominates every other source of error here: USDA's 3 g is a medium clove, and real cloves from a single head can range from under 2 g to over 6 g. If precision matters, weigh the garlic rather than counting it.

A worked example.

Frequently asked questions.

References& sources.

1. [1]U.S. Department of Agriculture, Agricultural Research Service. "Nutritive Value of Foods," Home and Garden Bulletin No. 72 (2002 revision) — item 1113, "Garlic, raw … 1 clove … 3 [g] … 59 [% water]"; item 1243, "Garlic powder … 1 tsp … 3 [g] … 6 [% water]". Retrieved and text-extracted 2026-07-30.
2. [2]McCormick & Company. "About Garlic" — "If you have fresh garlic, substitute one medium-size clove, finely minced, for each 1/8 teaspoon of garlic powder. That works in reverse, too!" Retrieved 2026-07-30.
3. [3]U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy record 169230, "Garlic, raw" (published 2019-04-01) — water 58.6 g/100 g, 149 kcal/100 g, confirming HG-72's rounded 59% figure to within 0.7%.