Kitchen Unit & Temperature Converter

The Universal Kitchen Conversion Guide (Why Cups and Grams Don’t Always Match)

We have all been there: you find an incredible recipe online, get your mixing bowl ready, and suddenly hit a wall. If you live in the United States, you might be staring at a British recipe calling for "180°C Fan, 250g of plain flour, and 125ml of milk." If you live in the UK, Australia, or Canada, you might be looking at an American recipe asking for "1 stick of butter, 2 cups of flour, and baking at 350°F."

Converting international recipes can feel frustrating, but cooking and baking across borders becomes easy once you understand one simple kitchen rule:

Volume measures space, while weight measures mass.

• Measuring Cups & Spoons (Volume): Tell you how much room an ingredient takes up in a cup or spoon.
• Kitchen Scales (Weight / Mass): Tell you the exact heaviness of that ingredient on a scale.

Because different ingredients have wildly different densities, one cup of one ingredient will never weigh the same as one cup of another.

For example:

• 1 cup of Water weighs 237 grams (water is a standard liquid).
• 1 cup of All-Purpose Flour weighs 120 grams (flour is light, powdery, and full of air pockets).
• 1 cup of Granulated Sugar weighs 200 grams (sugar crystals settle closely together).
• 1 cup of Honey weighs 340 grams (honey is dense and thick).
• 1 cup of Popcorn weighs only 8 grams.

If an online calculator converts 1 cup of flour to 240 grams without asking you what ingredient you are measuring, your cake will turn out dry and tough as a brick. That is why our Ingredient Converter uses verified density tables for every culinary staple.

Common Baking Staples: Cups to Grams & Ounces Quick Reference

Here is a quick look at the most common baking ingredients based on standard US Cups (level, unpacked unless noted):

Flours & Dry Goods

• All-Purpose / Plain Flour: 1 Cup = 120 g (4.23 oz) | 1 Tbsp = 7.5 g
• Bread Flour: 1 Cup = 127 g (4.48 oz) | 1 Tbsp = 7.9 g
• Whole Wheat / Wholemeal Flour: 1 Cup = 130 g (4.59 oz) | 1 Tbsp = 8.1 g
• Almond Flour (Blanched): 1 Cup = 96 g (3.39 oz) | 1 Tbsp = 6.0 g
• Cocoa Powder (Unsweetened): 1 Cup = 100 g (3.53 oz) | 1 Tbsp = 6.3 g
• Cornstarch / Cornflour: 1 Cup = 128 g (4.52 oz) | 1 Tbsp = 8.0 g
• Rolled Oats (Old Fashioned): 1 Cup = 90 g (3.17 oz) | 1 Tbsp = 5.6 g

Sugars & Sweeteners

• Granulated White Sugar: 1 Cup = 200 g (7.05 oz) | 1 Tbsp = 12.5 g
• Brown Sugar (Light or Dark, Packed): 1 Cup = 220 g (7.76 oz) | 1 Tbsp = 13.8 g
• Powdered / Icing Sugar: 1 Cup = 120 g (4.23 oz) | 1 Tbsp = 7.5 g
• Honey or Maple Syrup: 1 Cup = 340 g (11.99 oz) | 1 Tbsp = 21.3 g

Fats & Dairy

• Unsalted / Salted Butter: 1 Cup = 227 g (8.00 oz) | 1 Stick = 113.4 g (4 oz)
• Vegetable / Olive Oil: 1 Cup = 216 g (7.62 oz) | 1 Tbsp = 13.5 g
• Whole Milk: 1 Cup = 245 g (8.64 oz) | 1 Tbsp = 15.3 g
• Heavy Cream / Double Cream: 1 Cup = 238 g (8.40 oz) | 1 Tbsp = 14.9 g
• Greek Yogurt / Sour Cream: 1 Cup = 245 g (8.64 oz) | 1 Tbsp = 15.3 g
• Semi-Sweet Chocolate Chips: 1 Cup = 175 g (6.17 oz) | 1 Tbsp = 10.9 g

The "Butter Stick" Resolver (American Recipes Decoded)

If you are cooking outside the United States, recipes calling for "1 stick of butter" can be baffling. In the US, butter is sold in 1-pound boxes containing four individually wrapped 4-ounce paper sticks.

Here is the simple conversion to keep in mind:

• 1 US Stick of Butter = 8 Tablespoons = 1/2 Cup = 4 Ounces = 113.4 Grams
• 2 US Sticks of Butter = 16 Tablespoons = 1 Full Cup = 8 Ounces = 226.8 Grams
• 1/2 Stick of Butter = 4 Tablespoons = 1/4 Cup = 2 Ounces = 56.7 Grams
• 1 Tablespoon of Butter = 1/8 Stick = 0.5 Ounces = 14.2 Grams

Tip for European Bakers: A standard block of European butter is usually 250 grams. If a recipe calls for 2 American sticks (227g), slice off roughly one generous tablespoon from your 250g block, and the rest is your recipe amount!

The Master Oven Temperature Guide (°F, °C, Fan, and Gas Mark)

Oven temperatures vary across the globe. American recipes rely on Fahrenheit (°F), European and modern international recipes use Celsius (°C), British recipes often reference traditional Gas Marks, and modern convection ovens require a Fan offset.

The Fan / Convection Oven Rule (-20°C / -25°F)

Fan-forced (convection) ovens use an internal fan to circulate hot air continuously around the food. This eliminates cold spots and transfers heat much more efficiently than a conventional still-air oven.

The Golden Rule: When baking in a fan-forced oven, always reduce the temperature by 20°C (or 25°F) compared to conventional oven instructions. If you don't adjust, the outside of your cakes and breads will brown or burn before the center finishes baking.

Oven Heat Bands Reference Chart

• 225°F – 250°F (110°C – 120°C / Gas 1/4 – 1/2):
  • Oven Feel: Very Low / Warm
  • Best For: Pavlova, slow meringues, keeping food warm, beef jerky.
• 275°F – 300°F (140°C – 150°C / Gas 1 – 2):
  • Oven Feel: Slow / Low
  • Best For: Slow-braised beef, rich fruitcakes, gentle baked custards.
• 325°F (165°C / 145°C Fan / Gas 3):
  • Oven Feel: Moderate Slow
  • Best For: Delicate sponge cakes, cheesecakes, shortbread, dense pound cakes.
• 350°F (177°C / 157°C Fan / Gas 4):
  • Oven Feel: Moderate (The Universal Baking Temperature)
  • Best For: Chocolate chip cookies, layer cakes, brownies, muffins, banana bread, casseroles.
• 375°F – 400°F (190°C – 200°C / Gas 5 – 6):
  • Oven Feel: Moderately Hot
  • Best For: Roasted vegetables, crisp pie crusts, sheet-pan dinners, biscuits, scones.
• 425°F – 450°F+ (220°C – 232°C / Gas 7 – 8):
  • Oven Feel: Hot / Blistering
  • Best For: Crusty artisan sourdough, homemade pizza, flatbreads, Yorkshire puddings.

Why Kelvin (K) in a Kitchen Tool?

While home bakers don't set their oven dials to Kelvin, precision candy makers, chocolatiers, and culinary science students frequently work with thermodynamic scales. Kelvin is absolute temperature ( K=∘C+273.15 ), which allows our tool to double as a reliable culinary and food-science calculator.

Liquid & Spoon Conversions (Watch Out for the Australian Tablespoon!)

Volume conversions for pure liquids (water, broth, vinegar) are straightforward, but there are a few sneaky regional differences to watch out for:

• 1 US Cup = 16 Tablespoons = 48 Teaspoons = 236.6 ml (standardized to 240 ml on nutrition labels)
• 1 Metric Cup (UK, Canada, New Zealand) = 250 ml
• 1 US Fluid Ounce (fl oz) = 2 Tablespoons = 29.6 ml (roughly 30 ml)
• 1 US Tablespoon = 3 Teaspoons = 14.8 ml (rounded to 15 ml)
• 1 US Teaspoon = 4.9 ml (rounded to 5 ml)

⚠️ The Australian Tablespoon Exception:

In the United States, United Kingdom, and Canada, 1 Tablespoon is strictly 15 ml (3 teaspoons).
However, in Australia, traditional tablespoons are standardized to 20 ml (4 teaspoons)!
If you are baking an Australian recipe with active leaveners like baking powder or baking soda, keep in mind that an Aussie tablespoon is 25% larger than an American or British one.

Frequently Asked Questions (FAQ)

Why is weighing ingredients on a digital scale better than using cups?

A cup of flour can weigh anywhere from 115 grams to 150 grams depending on how you scoop it. Scooping directly from the bag packs the flour down, adding up to 25% extra flour and drying out your bakes. A digital scale measures exact grams every time, ensuring your recipes turn out consistent, light, and tender.

Is one fluid ounce (fl oz) the same as one ounce (oz) by weight?

No. Fluid ounces measure liquid volume (space), while standard ounces measure weight. One fluid ounce of pure water happens to weigh almost exactly one ounce (1.04 oz), but one fluid ounce of heavy honey weighs about 1.5 ounces, and one fluid ounce of olive oil weighs only 0.9 ounces.

How do I measure sticky ingredients like honey or peanut butter without a mess?

Lightly coat the inside of your measuring spoon or cup with a neutral cooking spray or a drop of vegetable oil before adding the honey, molasses, or peanut butter. The sticky ingredient will slide out into the bowl cleanly without sticking to the sides.

How do I convert a recipe from a standard oven to a convection / fan oven?

Reduce the temperature stated in the recipe by 20°C (or 25°F), and check for doneness 5 to 10 minutes earlier than the suggested bake time, as the circulating fan bakes faster.