🧁 Baking Conversion Calculator
Convert cups to grams, ounces to tablespoons, and master baking measurements with precision. Includes ingredient-specific conversions and temperature conversion!
Baking Conversion Guide
Precise measurements are the foundation of successful baking. Unlike cooking, where you can often adjust on the fly, baking is a science that requires accuracy. This guide will help you convert between volume and weight measurements, understand ingredient densities, and master the art of baking conversions.
Why Weight vs. Volume Matters
The Golden Rule of Baking
Weight measurements are always more accurate than volume. A cup of flour can weigh anywhere from 120g to 150g depending on how you scoop it. For consistent results, use a kitchen scale whenever possible.
When you scoop flour directly from the bag, you compact it, resulting in more flour per cup. The proper technique is to spoon flour into your measuring cup and level it off. Better yet, weigh your ingredients for perfect results every time.
Metric vs. Imperial Systems
- Imperial (US) × Cups, tablespoons, teaspoons, ounces, pounds
- Metric × Grams, kilograms, milliliters, liters
- UK Imperial × Similar to US but with different cup sizes (250ml vs 237ml)
Most modern recipes provide both measurements. If you're using a European or Asian recipe, expect metric measurements. American recipes typically use cups and tablespoons.
Common Ingredient Conversions
| Ingredient |
1 Cup |
1 Tablespoon |
Notes |
| All-Purpose Flour |
125g / 4.4oz |
8g |
Spoon and level method |
| Bread Flour |
130g / 4.6oz |
8g |
Slightly heavier than AP |
| White Sugar |
200g / 7oz |
12.5g |
Granulated sugar |
| Brown Sugar (packed) |
220g / 7.8oz |
14g |
Pack firmly |
| Powdered Sugar |
120g / 4.2oz |
8g |
Sifted is lighter |
| Butter |
226g / 8oz |
14g |
2 sticks |
| Vegetable Oil |
220g / 7.8oz |
14g |
All oils similar |
| Milk |
240g / 8.5oz |
15g |
Same as water |
| Honey |
340g / 12oz |
21g |
Very dense |
| Cocoa Powder |
100g / 3.5oz |
6g |
Sifted |
Baking Tips & Best Practices
Invest in a Scale
A digital kitchen scale (0-5kg capacity) is the single best investment for baking. Look for one accurate to 1 gram.
The Spoon & Level Method
For flour: spoon it into the cup, don't scoop. Level off with a knife. This prevents packing and adds about 20% less flour.
Room Temperature Matters
Butter, eggs, and milk should be at room temperature unless specified. Cold ingredients don't mix properly.
Measuring Sticky Ingredients
Spray your measuring cup with cooking spray before measuring honey, molasses, or corn syrup. It slides right out!
Leveling Dry Ingredients
Use the straight edge of a knife or offset spatula to level off measuring cups. Never shake or tap the cup.
Room Temperature Eggs
Place cold eggs in warm water for 5 minutes to quickly bring to room temperature. Essential for cakes and meringues.
Measuring Salt
Table salt, kosher salt, and sea salt have different densities. If a recipe specifies one type, stick to it or convert by weight.
Chocolate Chips
1 cup of chocolate chips = 6 ounces = 170g. However, weight is more accurate since chip sizes vary by brand.
Conversion Tips for International Recipes
When using recipes from different countries, pay attention to these differences:
- UK Cup = 250ml (vs 237ml US cup)
- Australian Tablespoon = 20ml (vs 15ml US tablespoon)
- Butter measurements × UK uses weight (grams), US uses sticks/cups
- Oven temperatures × UK recipes often use gas marks (Gas 4 = 350×F = 180×C)
Baking Measurement Conversion Quick Reference
Volume and weight conversions are essential in baking × measuring by weight is more accurate than by volume, especially for flour (which can vary 20×30% in density depending on how it's packed):
| Ingredient | 1 Cup (grams) | 1 Tbsp (grams) | 1 tsp (grams) |
|---|
| All-purpose flour | 120×130 g | 8 g | 2.6 g |
| Bread flour | 127×136 g | 8.5 g | 2.8 g |
| Granulated sugar | 200 g | 12.5 g | 4.2 g |
| Brown sugar (packed) | 220 g | 13.8 g | 4.6 g |
| Powdered sugar | 120 g | 7.5 g | 2.5 g |
| Butter (softened) | 227 g (2 sticks) | 14.2 g | 4.7 g |
| Cocoa powder | 85 g | 5.3 g | 1.8 g |
| Salt | 292 g | 18.3 g | 6 g |
| Honey / maple syrup | 340 g | 21 g | 7 g |
Volume conversion cheat sheet: 3 teaspoons = 1 tablespoon. 4 tablespoons = × cup. 16 tablespoons = 1 cup. 2 cups = 1 pint. 2 pints = 1 quart. 4 quarts = 1 gallon. 1 cup = 237 mL. 1 fl oz = 29.6 mL. For temperature: Fahrenheit to Celsius: (×F - 32) × 5/9. Common baking temps: 325×F = 163×C, 350×F = 177×C, 375×F = 191×C, 400×F = 204×C.
? Frequently Asked Questions
Is it better to measure baking ingredients by weight or volume?
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Weight is always more accurate. A cup of flour can vary by 20-30% depending on how you measure it. Professional bakers and most European recipes use weight measurements exclusively. Invest in a digital kitchen scale for consistent results, especially for flour, sugar, and chocolate.
How many grams are in a cup of all-purpose flour?
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One cup of all-purpose flour equals 125 grams when measured using the spoon-and-level method. If you scoop directly from the bag, you may get 140-150 grams, which will make your baked goods dense and dry. Always fluff the flour, spoon it into your measuring cup, and level it off with a knife.
Can I substitute butter measurements between US and metric recipes?
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Yes! In the US, 1 stick of butter = 8 tablespoons = × cup = 4 ounces = 113 grams. Two sticks = 1 cup = 226 grams. Most butter wrappers have tablespoon markings, making it easy to measure. For metric recipes calling for grams, either use a scale or refer to the wrapper markings.
How do I convert between Fahrenheit and Celsius for baking?
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Formula: ×C = (×F - 32) × 5/9, or ×F = (×C × 9/5) + 32. Common baking temps: 325×F = 163×C, 350×F = 177×C, 375×F = 190×C, 400×F = 204×C, 425×F = 218×C. Most ovens allow you to set either scale. For fan/convection ovens, reduce temperature by 25×F (15×C).
What's the difference between packed and unpacked brown sugar?
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"Packed" brown sugar means you press it firmly into the measuring cup until it holds its shape when turned out. This typically adds 30-40% more sugar by weight compared to loosely scooped. Always pack brown sugar unless a recipe specifies otherwise. 1 cup packed brown sugar = 220g.
How many egg whites equal one whole egg?
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One large whole egg equals approximately 2 egg whites or 3 tablespoons of beaten egg. More precisely: 1 whole egg = 50ml, 1 egg white = 30ml, 1 yolk = 15ml. When substituting, 2 egg whites can replace 1 whole egg, though you'll lose richness and may need to add 1 teaspoon of oil.
Why do different flour types have different cup weights?
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Protein content and milling affect density. All-purpose flour (10-12% protein) = 125g/cup. Bread flour (12-14% protein) = 130g/cup. Cake flour (7-9% protein) = 114g/cup. Whole wheat flour = 120g/cup. Always check your recipe for the specific flour type, as substitutions affect both weight and hydration.
Can I use the same measuring cups for liquid and dry ingredients?
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Technically yes, but it's not recommended. Liquid measuring cups have a spout and are meant to be filled to a line while sitting on a counter (read at eye level). Dry measuring cups are meant to be filled to the brim and leveled off. Using the wrong type can result in 5-10% measurement errors.