About The Cookio — Free Cooking & Baking Tools
The Cookio provides free, accurate cooking measurement tools, recipe calculators, and baking guides for home cooks worldwide.
Our Story
The Cookio was built out of a frustration every home baker knows well — following a recipe carefully, measuring precisely, and still ending up with a dense loaf or a flat cake. Nine times out of ten, the culprit isn't technique. It's measurement.
Most online unit converters treat every ingredient the same way: 1 cup = 240 grams, the weight of water. But 1 cup of all-purpose flour is actually 125 grams. Honey is 340 grams. Cocoa powder is 85 grams. These differences aren't small — they're the difference between a recipe working and failing.
We built The Cookio to fix this — a free, open tool hub where every conversion is ingredient-specific, sourced from laboratory-tested data, and presented without ads cluttering the calculator or paywalls blocking the answer.
Our Mission
To make accurate cooking and baking accessible to everyone — regardless of where they live, what measurement system their recipe uses, or how much kitchen experience they have. Every tool on The Cookio is free, requires no signup, and works on any device. That is a promise we intend to keep permanently.
What We Offer Today
Cups to Grams
200+ ingredients with USDA-sourced densities
Grams to Cups
Reverse converter for metric-to-US baking
Recipe Scaler
Scale any recipe to any serving size
Halve & Double
Cut or multiply recipes with exact fractions
Oven Temperature
Fahrenheit, Celsius and Gas Mark conversions
Yeast Converter
Fresh, active dry and instant yeast ratios
Pan Substitute
Find equivalent pan volumes instantly
Baker's Percentage
Professional bread formula calculations
Cake Serving
Servings from any pan shape and size
Tablespoons to Cups
Volume conversion with exact fractions
ML to Cups
Metric volume for international recipes
Pasta & Rice
Quantity calculators for any group size
Cold Brew & Espresso
Coffee ratio calculators for perfect brews
All Measurements
One tool covering all cooking volume units
What's Coming Next
The Cookio is growing. We are actively building more tools and plan to expand well beyond measurement calculators into a broader cooking resource:
- → More specialty calculators — high-altitude baking, baking substitutions, sugar syrup ratios
- → Cooking guides and tutorials — technique explanations that put our tools in context
- → Recipe tips and practical baking science — understanding why recipes work
- → Ingredient guides — detailed pages covering the properties and uses of common ingredients
- → Expanded international coverage — more units and regional measurement systems
Our Data Sources
Accuracy is non-negotiable for baking. We source ingredient density data from the most authoritative food science references available:
The official US government nutrition and food composition database. Ingredient weights are measured in standardised laboratory conditions and updated regularly.
America's oldest flour company has maintained professional baking weight charts tested in their dedicated test kitchen for decades. Trusted by professional pastry chefs.
Got a suggestion or spotted an error?
We review every data correction request. If an ingredient weight looks wrong, tell us.
Contact Us