Recipe Scaler

Found the perfect recipe for a dinner party of 4, but you're hosting 10? Our Recipe Scaler instantly calculates the exact ingredient multipliers you need to scale any dish up or down.

How Recipe Scaling Works

Scaling a recipe is simply a matter of finding the "Scaling Factor" (the ratio between your target servings and the original servings) and multiplying your ingredients by it.

$\text{Scaling Factor} = \frac{\text{Target Servings}}{\text{Original Servings}}$

For example, if a recipe serves 4 and you want it to serve 10, your scaling factor is $10 / 4 = 2.5$. You will multiply every ingredient in the recipe by $2.5$.

Baking vs. Cooking

Cooking (Soups, Stews, Casseroles)

Savory cooking is highly forgiving. If you scale a soup recipe by $2.5\times$, you can safely multiply the meat, vegetables, and broth by $2.5$. However, be careful with strong spices and salt! It's often best to scale spices by a slightly smaller factor and adjust to taste at the end.

Baking (Cakes, Breads, Pastries)

Baking is exact chemistry. While you can safely double or halve most recipes, scaling by unusual fractions (like $1.75\times$) can sometimes alter the chemical balance of leavening agents (baking soda/powder) or the structural integrity of the dough. When scaling baked goods significantly, it is highly recommended to measure ingredients by weight (grams) rather than volume (cups) for perfect precision.