Cup to gram conversions
plus smart baking substitutes.
CupOrGram helps bakers convert cups, tablespoons, and teaspoons to grams, then pick tested ingredient substitutes with exact ratio guidance.
Density-accurate conversions for baking
Browse Ingredients
Every page includes conversions, substitutions, storage tips, and baking science.
Cocoa Powder
Baking Powder
Baking Soda
Cornstarch
Vanilla Extract
Table Salt
Smart Substitutions
Common Swaps
Missing an ingredient?
Don't let a missing item stop your bake. Use our substitution calculator to find the perfect alternative based on chemistry, not guesswork.
Browse all substitutesThe Science of a Gram
Every ingredient has a unique density. A cup of flour can weigh between 120g and 155g depending on how you scoop it — a 30% variance that can ruin a recipe. Our conversions use NIST-standardized density charts so you get the same result every time, whether you're in New York or New Zealand.
Baking science, weekly
Why your sourdough is dense, what makes brown butter brown, and the chemistry behind every ingredient swap.
Free. No spam. Unsubscribe anytime.