How Many Grams in a Tablespoon of Chia Seeds?

There are about 9.3 grams in a tablespoon of chia seeds, measured level. That number comes from King Arthur Baking's ingredient chart, which lists 1/4 cup of chia seeds at 37 g, so a full cup weighs about 148 g.

Chia is one of the easier seeds to measure because the seeds are small, round and pretty uniform. Still, a spoonful can drift a gram or two from the chart, and that matters more than you'd think when chia is doing the thickening.

Why your spoonful might not match the chart

The 9.3 g figure assumes a level tablespoon of dry seeds. A few everyday things push it up or down:

• Level vs heaped. Chia rolls, so a heaped spoon doesn't hold a big mound, but it can still carry a few extra grams. If you scoop and don't level, expect a higher number.
• Settling. Seeds at the bottom of a bag pack tighter than seeds poured fresh from the top. Tapping or shaking the spoon packs them a bit more too.
• Soaked vs dry. Once chia sits in liquid it swells into a gel, and the weight includes all that liquid. Any gram figure you see for chia means dry seeds.
• Your spoon. Measuring spoons aren't all made to the same depth. Two tablespoons from two different drawers can hold slightly different amounts.

None of this is a disaster for a smoothie. It shows up when chia is setting a pudding or jam, where a little too much makes it stiff and a little too little leaves it runny.

Weighing a tablespoon of chia seeds without the guesswork

Weighing skips the level vs heaped question entirely. Here's a simple routine:

1. Put your bowl or jar on the scale and press tare so it reads zero.
2. Pour or spoon in chia until you hit your target, such as 9.3 g for one tablespoon or 18.5 g for two.
3. Tare again before adding your liquid, then weigh that too.
4. Stir well, wait a few minutes, and stir again so the seeds don't clump at the bottom.

Writing your recipe in grams once means you never have to think about it again. If your favorite pudding uses 3 tablespoons of chia, that's about 28 g every time, no matter which spoon is clean.

Putting chia measurements to work

A few ways the numbers come in handy:

• Chia pudding. Once you find a texture you like, weigh both the seeds and the milk and save those numbers. Next time you'll get the same set without trial and error.
• Overnight oats. A tablespoon of chia (about 9 g) stirred into oats soaks up liquid overnight. If yours come out too thick, cut the chia by a few grams rather than guessing.
• Quick jam. Chia can thicken mashed fruit. Weighing the seeds makes it easy to repeat a batch you liked.
• Bread and crackers. Chia sprinkled on top is forgiving. Mixed into a dough it absorbs water, so a consistent weight keeps your dough behaving the same way.

Doubling or halving a recipe is also simpler in grams. Half of 37 g is 18.5 g, which is a lot easier than finding half of 1/4 cup.

Common chia measuring mistakes

• Measuring after soaking. Always measure chia dry, then add the liquid.
• Using a cup for small amounts. Eyeballing a tablespoon out of a measuring cup is where most errors start. Use a spoon or a scale.
• Mixing up seeds. Chia, flax and sesame look similar in a spoon but don't weigh the same per tablespoon. Use the chart for the seed you're actually measuring.
• Not stirring twice. Not a weight problem, but chia that clumps in one spot makes it look like you used the wrong amount.

A practical tip: chia seeds bounce and scatter when you pour them onto a scale platform. A MeasureMate digital measuring spoon lets you scoop and weigh in one step, with the display reading in 0.1 g steps, so you can see the difference between 9.3 g and 10 g right in the spoon. The tare button zeroes the reading if you want to add a second ingredient on top.

Quick questions

How many teaspoons of chia seeds are in a tablespoon?

Three. Each level teaspoon of chia weighs about 3.1 g, so three of them come to roughly 9.3 g.

How much does 1/4 cup of chia seeds weigh?

About 37 g, according to King Arthur Baking. That's four tablespoons' worth.

Do soaked chia seeds weigh more?

Yes, because the gel holds the liquid they've absorbed. Weigh chia dry if you want the numbers in this chart to apply.

Weights based on the King Arthur Baking ingredient weight chart.