You find a fantastic recipe online. The photos look incredible, the reviews are glowing, and you have everything in the pantry. Then you read the first line: "2 cups of flour, 1 stick of butter, 3 tablespoons of milk." If you are cooking in the United States, this makes perfect sense. If you are in France, Germany, Japan, or Australia, it immediately raises questions. What size is that cup? How much is a stick? Are those US tablespoons or UK tablespoons?

Cooking measurement systems vary more than most home cooks realize, and the differences are not always obvious. This guide breaks down exactly how measurements work kitchen-by-kitchen around the world and how to convert between them accurately.

The Big Picture: Volume vs. Weight

The most fundamental split in cooking measurement is not between countries but between measurement philosophies. American and some British recipes typically measure ingredients by volume: cups, tablespoons, teaspoons, fluid ounces. European and professional recipes typically measure by weight: grams and kilograms. This distinction matters enormously because one cup of flour and one cup of water are not the same mass. Density changes everything.

A cup of all-purpose flour weighs around 120 to 130 grams depending on how it is scooped. A cup of granulated sugar weighs closer to 200 grams. A cup of honey weighs about 340 grams. When a French patisserie recipe calls for 250 grams of flour, there is no interpretation involved. When an American recipe calls for 2 cups of flour, experienced bakers know there is variation built into that measurement depending on technique.

The professional standard: Nearly every culinary school in the world, regardless of country, trains bakers to measure by weight rather than volume. Weight is more accurate, more reproducible, and requires less equipment to clean. A kitchen scale is one of the most useful tools for any serious home cook.

The Cup Problem: Not All Cups Are Equal

This surprises people. The cup is not a universal measurement. There are at least four different standard cup sizes in use around the world today, and following a recipe written for one while using another can throw off a dish significantly.

Country / Standard Cup Size (mL) Compared to US Cup
United States236.6 mLBaseline
Australia250 mLAbout 5.5% larger
Canada250 mLSame as Australian
United Kingdom284 mL (Imperial)About 20% larger
Japan200 mLAbout 15% smaller
Metric (international)250 mLStandard metric cup

For most savory cooking, a 5 to 10% difference in a cup measure is not going to ruin your dish. In baking, however, where ratios of flour to liquid to leavening agent are calibrated precisely, these differences compound across multiple measurements. A recipe that calls for 3 cups of flour written for Australian cups could give you an extra 40 grams of flour compared to US cups, which is enough to change the texture of a cake noticeably.

Tablespoons and Teaspoons: Also Not Universal

Spoon measures follow the same pattern as cups. The US tablespoon is 14.79 mL. The UK tablespoon historically was 17.76 mL (based on the Imperial system), though most modern British recipes now default to 15 mL, which is also the Australian and metric standard. The US teaspoon is 4.93 mL; the metric teaspoon is exactly 5 mL.

For small amounts of seasonings or baking powder, these differences rarely matter. But for leavening agents like baking soda, where even a fraction of a gram changes the rise and taste, knowing which tablespoon size the recipe author intended is genuinely relevant.

Practical rule of thumb

If a recipe comes from Australia, New Zealand, Canada, or a UK source published after roughly 1990, assume tablespoon = 15 mL and teaspoon = 5 mL. If the recipe comes from the US, a tablespoon is closer to 14.8 mL and a teaspoon is just under 5 mL. For home cooking purposes, treating them as equivalent (15 mL and 5 mL) works in almost every practical situation.

How Different Countries Measure in the Kitchen

🇺🇸

United States

  • Flour Cups (approx. 120g / cup)
  • Sugar Cups (200g / cup)
  • Butter Sticks / cups / tablespoons
  • Liquid Cups, fluid ounces
  • Temperature Fahrenheit
  • Weight Ounces, pounds
🇬🇧

United Kingdom

  • Flour Grams (older: ounces)
  • Sugar Grams
  • Butter Grams
  • Liquid mL, pints (older recipes)
  • Temperature Celsius (older: Gas Mark)
  • Weight Grams, kilograms
🇦🇺

Australia

  • Flour Cups (250 mL cup)
  • Sugar Cups or grams
  • Butter Grams or tablespoons
  • Liquid mL, cups
  • Temperature Celsius
  • Weight Grams, kilograms
🇪🇺

Europe (France, Germany, Italy)

  • Flour Grams (always)
  • Sugar Grams
  • Butter Grams
  • Liquid Milliliters, liters
  • Temperature Celsius
  • Weight Grams, kilograms
🇯🇵

Japan

  • Flour Grams
  • Rice Go (180 mL) or grams
  • Soy sauce Tablespoons (15 mL)
  • Liquid mL, cups (200 mL)
  • Temperature Celsius
  • Weight Grams
🇮🇳

India

  • Flour (atta) Cups or grams
  • Spices Teaspoons, tablespoons
  • Oil/Ghee Tablespoons or ml
  • Liquid Cups, mL
  • Temperature Celsius
  • Weight Grams, kilograms

Oven Temperatures: Celsius, Fahrenheit, and Gas Mark

Getting the oven right matters as much as measuring ingredients correctly. A cake baked at 180°C in a European oven and the same cake supposedly baked at 180°F in an American oven would have very different results. 180°C is 356°F; those are the same temperature. But 350°F, a common American baking temperature, is 177°C. The numbers look similar but they represent the same temperature, not dangerously different ones.

The trickier case is the Gas Mark system, which older British and Irish recipes still reference. Gas Mark numbers correlate to approximate Celsius and Fahrenheit values but are not directly derived from them. Here is the conversion table every cook needs when working across British recipe generations.

Gas Mark (UK) Celsius Fahrenheit Description
1140°C275°FVery slow / cool
2150°C300°FSlow
3170°C325°FModerately slow
4180°C350°FModerate (most cakes)
5190°C375°FModerately hot
6200°C400°FHot
7220°C425°FVery hot
8230°C450°FExtremely hot
9240°C475°FHottest setting

Fan oven note: Many European recipes specify fan-assisted oven temperatures (also called convection ovens in the US). Fan ovens circulate hot air and cook faster. If your recipe specifies "fan" or "convection," reduce the temperature by about 20°C (or 25°F) when using a conventional oven, and reduce cooking time by roughly 10 to 15 percent.

Butter: The American Stick Problem

American recipes routinely call for butter in sticks. One US stick of butter is 113.4 grams or 1/2 cup or 8 tablespoons. Outside the United States, butter is sold in 250-gram blocks, not sticks. When an American recipe calls for "2 sticks of butter," that is 227 grams. If you are working in the UK or Europe, that means just under one full 250-gram block.

🍳 American Recipe Ingredient Conversion Example

Converting a typical American chocolate chip cookie recipe to metric

All-purpose flour 2 ¼ cups 280 g
Butter 2 sticks (1 cup) 227 g
Granulated sugar ¾ cup 150 g
Brown sugar (packed) ¾ cup 165 g
Vanilla extract 1 tsp 5 mL
Baking soda 1 tsp 6 g
Salt 1 tsp 6 g
Chocolate chips 2 cups 340 g
Oven temperature 375°F 190°C / Gas 5

Traditional Cooking Units Still in Use Around the World

Alongside the standard metric and volumetric systems, many cooking traditions use historical or regional units that persist in specific communities. Understanding these unlocks authentic versions of recipes that modern adaptations often miss.

Japan: The go (180 mL) is the traditional unit for measuring rice and sake. Rice cooker cups in Japan are calibrated to this size, not the 250 mL metric cup. One go of rice typically serves one person.

India: Regional recipes in South India often reference the paadi or uri for rice, both traditional volume measures. In North Indian households, the katori (a small bowl, roughly 125 to 150 mL) serves as an informal cup substitute in everyday cooking.

Middle East: Recipes from Lebanon, Syria, Egypt, and surrounding countries frequently use the ka'aba or simply reference a coffee cup as a measure. These typically correspond to about 100 to 120 mL, smaller than both US and metric cups. When scaling a Middle Eastern recipe, always check which cup size the author means.

The Case for Cooking by Weight: Why Grams Win

If you cook from recipes across multiple countries, the single most practical investment you can make is a digital kitchen scale. Measuring by weight eliminates the cup-size problem, the packing-vs-scooping flour debate, the density variability between ingredients, and the need to remember multiple conversion factors.

With a scale, 200 grams of flour from an Italian recipe is 200 grams of flour wherever you are in the world. You do not need to know whether it was a scoop-and-sweep or spoon-and-level technique. You do not need to wonder if the author meant Australian cups. You measure once and you are done.

Most baking recipes from professional sources in Europe, the UK, Australia, and increasingly the US now include gram measurements alongside volume measurements. If yours does, use the grams every time. Your results will be more consistent, and the cleanup is easier since you can measure directly into the mixing bowl.

Convert Cooking Units Instantly

Cups to grams, Fahrenheit to Celsius, fluid ounces to mL and more. Free and precise.

Open Kitchen Converter

Common Cooking Conversions at a Glance

US Volume Metric (mL) Common Equivalent
1 teaspoon4.93 mL≈ 5 mL
1 tablespoon14.79 mL≈ 15 mL
¼ cup59.1 mL4 tablespoons
½ cup118.3 mL8 tablespoons
1 cup236.6 mL16 tablespoons
1 pint (US)473 mL2 cups
1 quart (US)946 mL4 cups
1 gallon (US)3,785 mL16 cups
Ingredient 1 US Cup 1 Tbsp 1 Tsp
All-purpose flour120-130 g8 g2.6 g
Granulated sugar200 g12.5 g4 g
Brown sugar (packed)220 g13.8 g4.6 g
Butter227 g14 g4.7 g
Honey340 g21 g7 g
Salt (fine)292 g18 g6 g
Cocoa powder86 g5.4 g1.8 g
Milk240 mL (244 g)15 mL5 mL
Water237 mL (237 g)15 mL5 mL
Vegetable oil218 mL (200 g)13.6 mL4.5 mL

Cooking across borders is one of the most rewarding ways to explore food culture. A French tarte tatin, a Japanese miso soup, an Indian dal, an American pecan pie. Each recipe carries the logic of the kitchen it came from. Knowing how to read that logic in any measurement system means nothing is out of reach, no matter where the recipe was written.