Recipe Scaler & Kitchen Converter

37 free cooking tools: scale a recipe to any number of servings, convert cups to grams using each ingredient's real density, translate oven temperatures and gas marks, and swap ingredients with ratios that actually work.

37tools
30ingredient densities
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Recipe Scaler

17 tools
SCALER

Recipe Scaler

Scale any recipe to a different number of servings and get ingredient amounts in kitchen fractions.

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×2

Double Recipe Calculator

Double any recipe instantly — every ingredient multiplied by two, shown in kitchen fractions.

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÷2

Halve Recipe Calculator

Cut a recipe in half with exact fractions — including thirds and eighths.

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×3

Triple Recipe Calculator

Multiply a recipe by three for batch cooking, with fractions handled accurately.

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PORTIONS

Recipe Serving Size Calculator

Work out the multiplier and per-person amounts for any number of guests.

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MEAL PREP

Meal Prep Calculator

Total portions, containers and baseline ingredient weights for a week of meal prep.

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PAN SIZE

Baking Pan Size Converter

Compare pan areas and get the recipe multiplier and bake-time adjustment for a different pan.

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ROUND↔SQUARE

Round to Square Pan Converter

Find the square pan that matches a round pan's area, or the reverse.

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YEAST

Yeast Conversion Calculator

Convert between instant, active dry and fresh yeast in grams or teaspoons.

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LEAVENER

Baking Powder Substitution Calculator

Replace baking powder with baking soda plus cream of tartar at the correct ratio.

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SOURDOUGH

Sourdough Hydration Calculator

Hydration percentage from flour and water, including starter contribution.

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DRY↔FRESH

Dry Yeast to Fresh Yeast Converter

Convert dry yeast to fresh yeast (×3) or fresh to dry (÷3) by weight.

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BUTTER↔OIL

Butter to Oil Converter

Swap butter for oil (×0.8) or oil for butter (×1.25) with the fat-content reasoning.

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HONEY↔SUGAR

Honey to Sugar Converter

Convert honey to sugar (×1.25, minus liquid) or sugar to honey (×0.8, plus liquid).

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SUGAR

Brown Sugar to White Sugar Converter

Recreate brown sugar from white sugar and molasses, or swap the other way.

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COCOA

Cocoa Powder Substitution Calculator

Swap cocoa powder for unsweetened chocolate (3:1 plus fat) or the reverse.

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MILK

Milk Substitution Calculator

Make buttermilk, evaporated milk, cream or powdered milk from what is in the fridge.

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Unit Conversion Tools

20 tools
CUPS→G

Cups to Grams Converter

Convert cups to grams for 30 ingredients — flour, sugar, butter, honey and more — using each one's real density.

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mL↔CUPS

mL to Cups Converter

Convert millilitres to cups and back, with tablespoons and fluid ounces alongside.

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OZ→CUPS

Ounces to Cups Converter

Convert weight ounces to cups by ingredient, or fluid ounces to cups for liquids.

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TBSP↔TSP

Tablespoons to Teaspoons Converter

Convert tablespoons to teaspoons (×3) with cups and millilitres alongside.

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L↔GAL

Liters to Gallons Converter

Convert litres to US gallons (and back) with quarts and cups for large batches.

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FL OZ↔ML

Fluid Ounces to mL Converter

Convert fluid ounces to millilitres and back with cups shown alongside.

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PINT↔CUP

Pints to Cups Converter

Convert pints to cups (×2) with quarts and millilitres for ice cream and stock.

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G→OZ

Grams to Ounces Converter

Convert grams to ounces and back with a full unit table, for baking and portion control.

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KG↔LB

kg to lbs Converter

Convert kilograms to pounds and back, with stones and grams included for body weight and bulk ingredients.

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LB→G

Pounds to Grams Converter

Convert pounds to grams and back for bulk ingredients and portion planning.

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ST↔LB

Stones to Pounds Converter

Convert stones to pounds and back — the UK body-weight convention, with kilograms included.

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MG↔G

mg to g Converter

Convert milligrams to grams and back — useful for supplements, spices and precise baking.

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WEIGHTS

Baking Weight Conversion Chart

Per-cup weights for 30 baking ingredients, with tablespoon and teaspoon equivalents.

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°F→°C

Fahrenheit to Celsius Converter

Convert oven and cooking temperatures from Fahrenheit to Celsius, with the UK gas mark.

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°C→°F

Celsius to Fahrenheit Converter

Convert Celsius to Fahrenheit for cooking, with US oven dial equivalents.

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GAS→°C

Gas Mark to Celsius Converter

Convert UK gas marks to Celsius and Fahrenheit, with the fan-oven equivalent.

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OVEN

Oven Temperature Converter

Convert any oven temperature between Fahrenheit, Celsius, gas mark and fan settings, with a full table.

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IN→CM

Inch to cm Converter

Convert inches to centimetres for pan sizes, tin dimensions and pastry rolling.

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CM→IN

cm to Inches Converter

Convert centimetres to inches with fractional output for pan and bakeware sizing.

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TIME

Cooking Time Calculator

Adjust cooking time when you change the weight of a roast or the size of a bake.

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