Complete Cooking Measurement Guide

Whether you're halving a recipe or converting a foreign cookbook, understanding how cooking measurements relate to each other is an essential kitchen skill. This guide covers everything from teaspoons to gallons.

The US Measurement System

US recipes use a volume-based system built on the teaspoon as the base unit. Here's how everything stacks up:

Measurement	Equivalent	Milliliters
1 teaspoon (tsp)	—	4.9 ml
1 tablespoon (tbsp)	3 tsp	14.8 ml
⅛ cup	2 tbsp	29.6 ml
¼ cup	4 tbsp	59.1 ml
⅓ cup	5 tbsp + 1 tsp	78.9 ml
½ cup	8 tbsp	118.3 ml
⅔ cup	10 tbsp + 2 tsp	157.7 ml
¾ cup	12 tbsp	177.4 ml
1 cup	16 tbsp	236.6 ml
1 pint	2 cups	473.2 ml
1 quart	4 cups	946.4 ml
1 gallon	16 cups	3,785 ml

US vs Metric: Key Differences

The US system measures volume (how much space something takes up), while the metric system measures weight (how heavy something is). For liquids like water and milk, the difference is minimal — 1 cup of water is 240ml and weighs 240g. But for dry ingredients like flour, the difference is significant.

Pinch, Dash, and Smidgen

Old recipes sometimes call for a "pinch" or "dash" of an ingredient. These aren't precise, but here's a rough guide: a smidgen is about ⅟₃₂ teaspoon, a pinch is ¹⁄₁₆ teaspoon, and a dash is ⅛ teaspoon.

Quick Conversion Tips

To convert tablespoons to teaspoons, multiply by 3. To convert cups to tablespoons, multiply by 16. To convert cups to milliliters, multiply by 237. For dry ingredients, always use weight measurements when precision matters.

Use our Tablespoon to Teaspoon Converter for instant calculations.

UK and Australian Measurements

British recipes typically use metric measurements (grams and milliliters) rather than cups. When a UK recipe calls for cups, the cup size is usually 250ml versus the US standard of 240ml — close enough that it rarely matters in practice. The main exception is Australian tablespoons, which are 20ml rather than the US/UK 15ml. For baking recipes from Australia, this difference adds up across multiple tablespoon measurements.

Weight vs Volume: When It Matters

For liquids like water, milk, and broth, volume and weight are nearly interchangeable — 1 cup of water is 240ml and weighs about 240g. For dry ingredients, the difference is significant. A cup of all-purpose flour weighs 120g if spooned and leveled, but up to 160g if scooped. That 33% difference can turn a tender cake into a dense brick.

The rule of thumb: use volume for liquids, use weight for dry baking ingredients whenever possible.

Memorizing the Key Conversions

You don't need to memorize everything — just the anchors. Three teaspoons make a tablespoon. Sixteen tablespoons make a cup. One cup is about 240ml. Everything else can be derived from those three facts or looked up quickly.