Start Scaling
★ Trusted by 10,000+ bakers & cooks

Scale Recipes Effortlessly for Any Crowd

Free online recipe scaler — no signup, no app install, 100% private.

The smartest way to adjust portion sizes, scale ingredients, and convert kitchen measurements in seconds. Split, double, or multiply ingredients instantly, and keep your screen awake with Kitchen Mode.

How It Works
F Flour
S Sugar
B Butter
C Choco Chips
Scaled Servings Target 8 People (2.0x)
✓ Scale Instantly
🛡️ 100% Private
Kitchen Mode Active
INPUT

Paste Your Recipe

Try a demo:
PORTION CONTROL

Scale by Servings

people
1 person 4 8 12 16 20 24 people
CONVERTER

Bidirectional Unit Calculator

1 Cup of Flour 120 grams
PREVIEW

Scaled Recipe

Waiting for input

Paste ingredients on the left to see the scaled recipe output here.

AUTO CONVERSIONS

Detected Ingredient Weights

No ingredients detected for volume conversion yet. Try typing "2 cups flour" or "3 tbsp butter".

Kitchen Mode Status

Keeping the screen awake prevents sleep timeout. Screen Wake Lock requires HTTPS and browser support.

PRESETS

Hot Recipes

Selecting a preset will automatically paste the recipe and set original servings to 2.

How It Works

Scale recipes and convert measurements in three simple steps

1

Paste & Parse

Paste your ingredients list. ScaleBake instantly parses quantities, units, and ingredient names automatically.

2

Scale & Convert

Adjust portions with the servings slider. Convert volume units (cups, tbsp) to metric weights (grams) seamlessly.

3

Bake Active

Enable Kitchen Mode to keep your screen awake while baking, and copy your perfectly adjusted recipe with one tap.

Purpose-Built Baking Tools

Specialized adjustments for every kitchen scenario. Local-first, private, and free.

Cake Pan Converter

Scale ingredients between round, square, or rectangular cake pans of any size.

Baker's Math

Calculate baker's percentages, sourdough hydration levels, and custom ingredient ratios based on flour weight.

Cookie Batch Scaler

Double, triple, or fraction cookie recipes to bake the exact number of cookies you need.

Coffee Calculator

Brew ratios for 6 methods & scale 15 café drinks from espresso to Vietnamese iced coffee.

Gluten-Free Substitutes

Convert wheat flour to gluten-free alternatives with proper binder ratios.

Emergency Substitutes

Find exact, weight-based swaps for 50 common ingredients you're missing.

Drink & Cocktail Scaler

Scale 100 classic cocktails from 1 serving to a full pitcher with bartending math.

Why Choose ScaleBake Pro?

Smart, offline, and private recipe scaling built for modern cooks

Lightning Fast

Scale recipes in milliseconds with our client-side parsing engine. No complex setups or loading screens—adjust portions instantly.

100% Private

Your recipes never leave your device. No signups, no accounts, and zero tracking. Perfect for preserving your secret family recipes.

Works Everywhere

Optimized for any device—phone, tablet, or desktop. Scale recipes on the go, even fully offline in kitchens with no reception.

Kitchen Mode

Keep your screen awake with our Screen Wake Lock integration. No more unlocking your device with flour-covered hands.

Smart Conversions

Convert US Imperial volume units (cups, tbsp) to metric weight (grams) automatically using our ingredient density database.

Easy Sharing

Copy your perfectly scaled recipe to your clipboard with a single tap. Ready to share via text, email, or save into your favorite notes app.

Frequently Asked Questions

Everything you need to know about portion sizes, unit weights, and baking mathematics.

Simply paste your ingredients in the input box, set your target servings or multiplier, and ScaleBake instantly calculates the adjusted amounts using intelligent regex patterns.

No. Cook times, oven temperatures, and baking durations are ignored during scaling as they generally do not scale linearly. You should check your recipe directions manually for baking adjustments.

Use our Cake Pan Converter! By selecting your original and target pan shapes (round, square, or rectangle) and inputting their dimensions, the utility calculates the precise surface area ratio to generate your recipe's scaling multiplier.

Use our Cookie Batch Scaler! Enter the original cookie count and your desired target count. The engine computes the exact scaling multiplier ($Target / Original$) and scales all ingredient quantities instantly, with options to quickly half, double, or triple the batch.

Use our Gluten-Free Substitutes calculator! Input your wheat flour weight and select your recipe type (like bread, cookies, or cakes) to calculate the 1:1 gluten-free flour replacement and the precise weight of xanthan gum binder needed in grams and teaspoons.

Baking is a science. Volume measurements like cups can vary by up to 20% depending on how packed the ingredient is. Weighing in grams ensures consistent results every single time.

Yes. You can use the portion control multiplier to adjust the overall batch size, and check the Purpose-Built Baker's Math calculator to adjust starter, flour, water ratios, and baker's percentages.

Kitchen Mode prevents your screen from dimming or falling asleep while you cook. It requests a Screen Wake Lock through your browser, letting you follow recipes hands-free.

Yes, 100% free and private. All parsing, calculations, and conversions happen directly in your browser. No data is ever sent to a server, and no signup or account is required.

Yes! Clicking 'Copy Recipe' instantly copies the scaled ingredients and directions to your clipboard. You can paste it into notes, emails, or messaging apps to share with friends.