Ingredient-specific cups to grams converter
Convert recipe volumes into ingredient weights.
Your inputs
Your results
Ready when you areYour results will appear here.
How it works
Use ingredient-specific cup weight equivalents from the King Arthur Baking chart for a limited, named set of ingredients. Convert in either direction using the selected chart weight.
Read the source reference ↗A few things to know
Approximate recipe equivalents, not laboratory density. Uses the chart’s cup convention, not a 250 mL metric cup. Packed brown sugar and unsifted confectioners sugar require the named preparation.
When to use this tool
Convert recipe volume using the selected ingredient’s chart equivalent. Equal cup volumes can have very different weights.
- Convert flour for a recipe.
- Compare ingredient weights.
- Read a cup-based recipe.
How to use ingredient-specific cups to grams converter
Prepare the inputs
Enter the quantities and units used by your source.
Choose the settings
Choose the assumptions and compare them with your actual situation.
Review and export
Review the result, then download the calculation report.
Try the supplied example
Inputs
quantity: 1; ingredient: All-purpose flour; mode: Cups to grams
Result
One chart cup of all-purpose flour is 120 grams; one chart cup of butter is 226 grams.
What it means
Weigh ingredients directly when possible, especially in baking.
Common mistakes to avoid
Use the named preparation method
Use the named preparation method.
A metric cup uses a different volume convention
A metric cup uses a different volume convention.
Frequently asked questions
Definitions, edge cases, and practical next steps for this tool. Search all tool FAQs ↗
Are all cups 120 grams?
No. The factor depends on the ingredient and preparation.
Is this a metric 250 mL cup?
No. It uses the referenced baking chart’s cup equivalents.
Why specify packed brown sugar?
Packing changes how much fits in the volume; the chart entry is packed.
Can I use another flour brand?
Treat the result as approximate; moisture and measuring methods differ.
Does the tool measure density?
No. It uses selected published recipe equivalents.
Can I convert grams back to cups?
Yes. Choose Grams to cups, understanding that volume measurement is approximate.
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?
Approximate recipe equivalents, not laboratory density. Uses the chart’s cup convention, not a 250 mL metric cup. Packed brown sugar and unsifted confectioners sugar require the named preparation.
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.