Recipe serving scaler
Resize ingredient quantities for a desired serving count.
Your inputs
Your results
Ready when you areYour results will appear here.
How it works
Multiply each decimal ingredient quantity by target servings divided by original servings while preserving ingredient labels and units.
Read the source reference ↗A few things to know
Does not parse recipe prose or convert units. Whole eggs may become fractions. Cooking time, seasoning, leavening and equipment limits do not necessarily scale linearly.
When to use this tool
Scale a structured ingredient list with one serving multiplier. Keeping labels and units separate makes the result easy to check.
- Scale a shopping list.
- Adjust recipe servings.
- Compare ingredient quantities.
How to use recipe serving scaler
Prepare the inputs
Enter each ingredient, decimal quantity and unit in CSV.
Choose the settings
Set original and target servings.
Review and export
Review scaled quantities and adjust cooking method separately.
Try the supplied example
Inputs
ingredients: Ingredient,Quantity,Unit Flour,240,g Eggs,2,whole Milk,150,ml; original: 4; target: 6
Result
Scaling four servings to six multiplies quantities by 1.5: flour becomes 360 g and eggs become 3.
What it means
Adjust cooking method and equipment separately.
Common mistakes to avoid
Cooking time is not a serving multiplier
Cooking time is not a serving multiplier.
Check fractional indivisible ingredients
Check fractional indivisible ingredients.
Frequently asked questions
Definitions, edge cases, and practical next steps for this tool. Search all tool FAQs ↗
Can I paste a paragraph recipe?
No. Use the specified Ingredient,Quantity,Unit CSV.
Are fractions accepted in quantities?
Use decimal quantities, such as 0.5.
Are units converted?
No. Units are retained as supplied.
What about half an egg?
The result may be fractional; decide how to portion or round appropriately.
Does cooking time scale?
Not reliably. Evaluate thickness, vessel size and doneness separately.
Is seasoning always proportional?
No. Taste and leavening adjustments may require recipe-specific judgment.
Are my inputs uploaded or stored?
Processing happens locally in your browser. This tool does not upload inputs. Downloads stay on your device; sharing or opening them in another service is your choice.
What should I check before using the output?
Does not parse recipe prose or convert units. Whole eggs may become fractions. Cooking time, seasoning, leavening and equipment limits do not necessarily scale linearly.
Explore the topic in the blog
Sources and method
Use the references below to check definitions and platform guidance. The model’s scope and limits are explained above. Read our editorial standards.