Recipe Scaler

Scale every ingredient amount up or down by a factor or a new serving count.

Scale a recipe

Ingredients, one per line, starting with the amount

Scale by

Factor

Original servings

Wanted servings

Units

Amounts

Scaling by: —

Scaled ingredients: 0 · lines left unchanged: 0

Amounts can be written as 2, 1.5, 3/4 or 1 1/2. Fractions are rounded to the nearest practical measure.

Paste the ingredient lines, each starting with its amount and unit.
Choose to scale by a factor or by changing the serving count.
Copy the scaled list, switching to grams and millilitres if you prefer weighing.

Common questions about the free online recipe scaler.

Paste the ingredient lines, then either set a factor such as 1.5 or enter the original and wanted serving counts.

Whole numbers, decimals like 1.5, simple fractions like 3/4 and mixed numbers like 1 1/2 are all understood.

The tool divides the wanted servings by the original servings and multiplies every amount by that result.

Yes. In fraction mode a value such as 0.75 is shown as 3/4, so you can still measure it with normal cups and spoons.

Use the metric option when scaling by odd amounts, because weighing is more accurate than measuring a strange fraction of a cup.

Usually not by the same factor. Increase the time by about ten percent for each doubling of volume and check early.

Whole items are scaled like everything else, so beat an egg and use part of it when the result is a fraction.

Scale them in full for large batches, but taste as you go because seasoning does not always need to grow linearly.

No. Scaling happens entirely in your browser and nothing you paste is sent to a server.

Yes. It is completely free, needs no account and has no limit on how many recipes you scale.

Last updated: October 10, 2026