How do I use the recipe multiplier to double, triple, or half ingredient measurements?

Enter your recipe's original yield and your desired servings and the multiplier calculates the scaling factor automatically. You can also click the 2x, 3x, 4x, or half-x preset buttons, or type a custom multiplier. Every ingredient line recalculates instantly, and fractional cups and spoons simplify back to clean measuring amounts.

How do I scale baking recipes accurately using weight and volume unit conversions?

Switch the Unit Converter to metric and weigh flour, sugar, and butter in grams so each batch is identical. The converter turns cups, tablespoons, and teaspoons into millilitres and ounces into grams using standard ingredient densities, then applies your scaling factor so you get clean amounts in either system for the new yield.

How do I divide a recipe in half without ruining baking ratios or temperatures?

Halve every ingredient by the same 0.5 factor so the ratios stay balanced, and keep the oven temperature exactly the same. Use a pan with roughly half the volume or split the batter between two smaller pans, fill to the same level, and start checking for doneness a few minutes early since a smaller volume bakes slightly faster.

How do baker's percentages work when scaling commercial bread and pastry recipes?

Baker's percentage expresses each ingredient as a percentage of the flour weight, with flour set to 100%. The ratios stay constant at any size, so to scale a commercial formula you choose the new flour weight and multiply each percentage through. Weighing in grams with baker's percentages is the only reliable way to scale bread and pastry consistently.

How do I recalculate cooking times and batch sizes for scaled recipes?

Keep the oven temperature the same and do not multiply the bake time. A doubled or tripled recipe in a larger pan takes only about 10 to 25 percent longer, so test for doneness with a thermometer rather than scaling the minutes. For batch cooking, scale ingredient weights by the total yield factor and weigh everything in grams.

What is the difference between a recipe multiplier, a recipe scaler, and a recipe doubler?

They describe the same math at different scales. A recipe scaler, or recipe scaling calculator, divides your desired servings by the recipe's original servings to find the factor; a recipe multiplier is that factor applied across every ingredient line; and a recipe doubler is simply the case where the factor is 2. Enter the new yield or click a preset like 2x and every ingredient recalculates instantly.

How do I double a recipe without over-seasoning it?

Scale the main ingredients by the full factor, but treat salt, spices, and strong acids sub-linearly. For a doubled recipe, start at about 1.5 times the seasoning, taste, and adjust. A recipe doubler scales the bulk accurately, yet seasonings read more intensely in larger volumes, so holding them slightly below 2x keeps the balance the original recipe intended.

How do I convert an 8-inch round cake recipe to a 9-inch pan?

Match pan area, not diameter. An 8-inch round pan has about 50 square inches of area and a 9-inch round about 63 square inches, so a 9-inch pan needs a batter factor of about 1.25 to 1.3x. Scale the recipe by 1.25, keep the oven temperature the same, and check for doneness a few minutes later because the larger, slightly deeper cake bakes a little longer.

How many grams are in a cup of flour, sugar, and butter when scaling recipes?

By weight, one cup is about 120 grams of all-purpose flour, 200 grams of granulated sugar, and 227 grams of butter. Volume-to-weight conversion matters when you scale because a cup of flour can vary by up to 25 percent depending on how it is scooped, and that error multiplies across a large batch, so weigh ingredients in grams for a baking measurement converter that stays accurate at any size.

Cups to Grams: All-Purpose Flour Converter

Convert all-purpose flour between cups and grams using its measured density of about 120 g per cup. The widget below is pre-set to this exact conversion and recalculates as you type.

Ingredient

Amount

From unit

Convert to

Converted amount

120g

1 cup of all-purpose flour = 120 g

Exact weight

120 g

Ounces

4.23 oz

Milliliters

237 ml

Kitchen measure

1 cup

1 cup of all-purpose flour weighs about 120 g. Densities are averages — sifted flour is lighter, packed sugar is heavier. Fractions such as 1 1/2 or 3/4 are supported.

All-Purpose Flour conversion chart

Cups to Grams, rounded for the kitchen.

Cups	Grams	Grams
1/4 cup	30 g	30 g
1/3 cup	39.6 g	39.6 g
1/2 cup	60 g	60 g
3/4 cup	90 g	90 g
1 cup	120 g	120 g
1 1/2 cup	180 g	180 g
2 cup	240 g	240 g
3 cup	360 g	360 g
4 cup	480 g	480 g

How to convert cups to grams for all-purpose flour

Ingredient conversion is a two-step calculation. First, cups are turned into grams using all-purpose flour's density of about 120 g per cup, or its exact weight factor for cups. Then those grams are expressed in grams. Because every conversion passes through weight, the result is consistent whether you start from cups, tablespoons, milliliters, or ounces.

Density is the reason a universal "cups to grams" number does not exist. A cup of sifted all-purpose flour is about 120 g, while a cup of granulated sugar is about 200 g and a cup of honey about 340 g. Using one ingredient's density for another is the most common cause of dry cakes and dense breads, so always confirm the ingredient selected above matches what is in your bowl.

For the most repeatable results, weigh all-purpose flour on a digital scale instead of relying on volume. If you are scaling a whole recipe, use the recipe scaler to multiply every ingredient at once, then verify individual amounts with this converter.

Frequently asked questions

How many grams is a cup of all-purpose flour?

One US cup of all-purpose flour weighs about 120 grams (4.23 oz). That density is what this converter uses, so volume and weight results stay consistent for every measurement on the page.

How many grams is 1 cup of all-purpose flour?

1 cup of all-purpose flour equals about 120 g (120 g), or 120 grams. Use the converter above for any other amount.

Why does all-purpose flour convert differently from other ingredients?

Weight-to-volume conversions depend on ingredient density. A cup of all-purpose flour weighs about 120 g, while a cup of granulated sugar weighs about 200 g and a cup of water 237 g. That is why a single "cups to grams" number cannot apply to every ingredient.

Are these Cups to Grams conversions exact?

They use standard average densities for all-purpose flour (about 120 g per cup). Actual weight varies with how the ingredient is packed, sifted, or ground, so weigh on a digital scale when a recipe is sensitive to hydration or leavening.