In the level vs heaping teaspoon debate, only one side has a fixed number. A level teaspoon of granulated sugar weighs about 4.1 g, because a level spoon holds a set volume, while a heaping teaspoon has no standard at all. The extra grams in a heap depend on the ingredient, the spoon and your hand, so the only way to know is to weigh it.
| Ingredient | Level 1 tsp | Level 1 tbsp |
|---|---|---|
| All purpose flour | 2.5 g | 7.5 g |
| Granulated sugar | 4.1 g | 12.4 g |
| Confectioners' sugar | 2.4 g | 7.1 g |
| Unsweetened cocoa | 1.8 g | 5.3 g |
| Baking powder | 4 g | 12 g |
| Table salt | 6 g | 18 g |
What level, rounded and heaping mean
Level means you scoop, then sweep a flat edge across the top so the ingredient is even with the rim. A US teaspoon holds about 4.9 ml and a tablespoon about 14.8 ml, according to the National Institute of Standards and Technology (NIST), and a level spoon is the only way to actually get that volume.
Rounded usually means a gentle dome above the rim. Heaping or heaped means as much as the spoon will hold without falling off. Neither has an official size. Your heap and a friend's heap can be very different, and both of you are doing it right.
Level vs heaping teaspoon: why the gap changes
A few things decide how much extra a heap carries:
- Texture. Fine, fluffy powders like cocoa and confectioners' sugar pile up into tall mounds. Coarse sugar and salt slide off and make smaller heaps.
- Spoon shape. A deep, narrow bowl and a wide, shallow one hold the same level volume but very different heaps.
- Clumps and moisture. Damp brown sugar or clumpy baking soda stacks higher than a dry, free flowing powder.
- Your scooping style. Pressing into the bag packs more in, while a light dip holds less.
Small amounts make the effect bigger. A level teaspoon of baking powder is about 4 g, so every extra gram in a heap is 25% more. A level teaspoon of sugar is about 4.1 g, so each extra gram adds roughly 24%. That's why leaveners and salt are the ingredients where heaping causes the most trouble.
How to test your own heap
- Set a small bowl on a scale and press tare.
- Scoop a teaspoon of the ingredient, level it, and tip it in. Note the weight.
- Press tare again. Scoop a heaped teaspoon the way you normally would and tip it in. Note that weight too.
- Repeat both two or three times and compare the averages.
Now you know your personal heap for that ingredient. It's an eye opener, and it explains a lot of cookies that spread too much or cakes that tasted a little salty.
When a heap is fine and when it isn't
Heaping is no big deal for things you season to taste: cinnamon on oatmeal, cocoa in a mug, sugar in coffee. Go by feel.
For baking, stick with level, or better yet, weigh. Baking powder, baking soda, salt and yeast are measured in small amounts that matter a lot, and recipes written in spoons generally assume level spoons unless they say otherwise. If a recipe does ask for a heaped spoon, weigh what you used the first time so you can repeat it.
A practical tip: a MeasureMate digital measuring spoon takes the guesswork out of both. It scoops and weighs in one step and reads in 0.1 g steps, so you can see exactly what your heap weighs. Press the tare button to zero the reading, scoop, and adjust until you hit the number.
Quick questions
Is a heaping teaspoon double a level one?
There's no standard, so it depends on the ingredient and the spoon. Weigh a level and a heaped spoon of the same ingredient to see your real difference.
Do recipes mean level spoons?
Generally, yes. Unless a recipe says rounded or heaping, level the spoon off with a flat edge.
How many grams is a level tablespoon of flour?
About 7.5 g of all purpose flour, based on King Arthur Baking's figure of 120 g per cup.
Weights based on the King Arthur Baking ingredient weight chart and NIST Special Publication 811.