Recipe Scaler Calculator
Easily adjust ingredient quantities for any number of servings. Perfect for scaling up a family dinner or scaling down a large batch recipe.
Scale Your Recipe
Enter your original and desired serving sizes, then add your ingredients. We will calculate the exact new quantities for you.
Recipe Portion Scaler
Input your recipe details to get scaled measurements.
Scaling Tips
How to scale recipes successfully
Find the Multiplier
Divide your desired servings by the original servings. This is your scaling factor (e.g., 8 ÷ 4 = 2x).
Multiply Everything
Multiply every single ingredient quantity by this scaling factor to get your new amounts.
Watch the Spices
When scaling up significantly, increase salt, spices, and leavening agents (baking powder/soda) by slightly less than the factor to avoid overpowering the dish.
Adjust Cookware & Time
A doubled recipe in the same pan will be deeper and take longer to cook. Consider using multiple pans and check for doneness early.
Common Kitchen Conversions
Handy conversions to help you measure your scaled ingredients accurately.
| Volume | Equivalent | Weight (Approx.) | Metric Equivalent |
|---|---|---|---|
| 1 Teaspoon (tsp) | 1/3 Tablespoon | ~5g (water) | 5 ml |
| 1 Tablespoon (tbsp) | 3 Teaspoons | ~15g (water) | 15 ml |
| 1 Fluid Ounce (fl oz) | 2 Tablespoons | ~28g (water) | 30 ml |
| 1 Cup | 16 Tablespoons | ~120g (flour) / ~200g (sugar) | 240 ml |
| 1 Pint | 2 Cups | ~473g (water) | 473 ml |
| 1 Pound (lb) | 16 Ounces (oz) | – | 454 grams |
Recipe Scaling FAQ
Answers to the most frequently asked questions about adjusting recipe portions and measurements.
To scale a recipe, divide your desired number of servings by the original number of servings to find the scaling factor. Then, multiply every ingredient quantity by this factor. For example, doubling a recipe (factor of 2) means multiplying all ingredients by 2.
Most ingredients scale linearly, but leavening agents (like baking powder, baking soda, and yeast), salt, and spices do not always scale perfectly. When significantly increasing a recipe, it is often best to increase these by slightly less than the calculated factor to avoid overpowering or over-rising.
For the most accurate scaling, it is highly recommended to weigh ingredients in grams rather than using volume measurements (cups). Different ingredients have different densities (e.g., 1 cup of flour is ~120g, while 1 cup of sugar is ~200g). Use a kitchen scale for precise results.
Yes, cooking time often changes. If you double a recipe but keep it in the same size pan, it will be deeper and take longer to cook. If you divide it into multiple smaller pans, it may cook faster. Always rely on visual cues and internal temperatures rather than just the original timer.