Kitchen Calculators That Actually Work
Every tool handles the math you don't want to do at midnight. All data stays in your browser.
All Tools
Recipe Scaling Calculator
Scale by servings, pan size, or weight. Auto-converts metric/imperial/mixed. Flags problematic ingredients like baking powder and yeast.
Open ToolPortion Size Planner
Event type: family dinner, buffet, plated, or cocktail. Adult/child/teen ratios with dietary restriction counts and shopping list.
Open ToolPan Size Substitution Tool
Round, square, and rectangular pan volume calculator. Area comparison, depth adjustment, batter safety margin, and baking time modifier.
Open ToolBaker's Percentage Converter
Flour = 100%. All other ingredients as percentages. Hydration ratio, dough weight target, and preferment calculator.
Open ToolIngredient Density Lookup
150+ ingredients: flour types, sugars, fats, liquids. Grams per cup, grams per tablespoon, packed vs sifted vs loose.
Open ToolDietary Restriction Scaling Assistant
Gluten-free flour blend ratios, vegan egg replacer math, low-sodium percentage reduction, and sugar substitution volume adjustments.
Open ToolLatest from the Blog
The Complete Pan Size Substitution Guide
Every common pan, its volume, its area, and what you can swap it for without overflow.
8 Dietary Restriction Scaling Rules for Beginners
The 8 rules that keep gluten-free, vegan, low-sodium, and sugar-free scaling from becoming a disaster.
10 Signs Your Scaled Recipe Is About to Fail
Overflowing batter, fast-rising dough, doming cakes. Spot the warning signs before the oven timer.
15 Tools Every Recipe Scaler Needs in 2026
From a $22 scale to a probe thermometer. The toolkit that makes scaling possible.
The Ultimate Ingredient Density Chart: 150+ Foods
The complete reference for flour, sugar, fat, liquid, leavener, and salt densities.
20 Common Scaling Mistakes and How to Avoid Them
From leavening to oven capacity to forgetting to label your bowls. The complete checklist.