1 Tbsp to Grams

One tablespoon of water is 14.79 grams, and that is the anchor

A US tablespoon is a defined volume before it is a scoop: 14.7868 mL, one 256th of a US gallon, the figure NIST publishes in its metric kitchen tables. Water at room temperature weighs 1.00 gram per mL, so one level tablespoon comes to 14.7868 x 1.00 = 14.79 grams. Most recipes round that to 15 grams, which is 1.4 percent high and harmless in a soup.

That 14.79 gram figure is the anchor for the rest of this page, and it is also where most kitchen math goes wrong. The spoon holds the same volume of any food, but foods do not weigh the same per mL. One tablespoon of flour holds about 7.8 grams because flour is largely air between particles, and one tablespoon of honey holds about 21.25 grams because honey is dense and pours as a single mass.

Nutrition labels make the gap visible. A label that lists 1 tbsp as 14 g is describing something close to water, such as milk or a thin dressing. A label that lists 1 tbsp as 8 g is describing a powder. When the label, the recipe and a converter disagree, density is the reason, and the food's grams per tablespoon is the number that settles it.

The input above starts at 1 tablespoon and water, so the first answer you see is the anchor. Change the dropdown to flour and the same spoon drops to 7.8 grams. Change it to honey and the figure climbs past 21.

Grams per tablespoon for 12 kitchen staples

Read the table as a lookup rather than a formula. Find the food, read the grams in one level tablespoon, and that is the answer to one tablespoon in grams for that food. The teaspoon column is the same weight divided by three, because a tablespoon holds exactly 3 teaspoons.

Two rows deserve a note. Packed brown sugar weighs 13.8 grams per spoon because pressing drives out air, while the same sugar left loose sits nearer 12 grams. Melted butter at 14.2 grams is lighter than the 15.2 grams of milk in the same spoon, which surprises cooks who expect every liquid to match water.

The figures come from USDA FoodData Central composition data and from standard baker weight charts, rounded to one decimal. Household measures always carry a few percent of slop: a level spoon depends on how the cook fills it, and a powder that settled in the bag packs tighter than one from a fresh box.

Why the same spoon holds 7.8 grams of flour and 21.25 of honey

Density is weight per unit of volume, and a spoon is pure volume. Multiply the two and the answer falls out: 14.7868 mL x 0.53 g/mL = 7.84 grams for spooned all-purpose flour, against 14.7868 mL x 1.44 g/mL for honey, just over 21 grams. Nothing about the spoon changed. The food did.

Air is the hidden ingredient in the light rows. Flour scooped straight from the bag packs to about 0.59 g/mL, and the same flour spooned in lightly and leveled sits near 0.53. That 11 percent swing moves one tablespoon from 7.8 grams to 8.7 grams, enough to firm up a cake batter.

• Flour, spooned and leveled: about 7.8 g per tbsp
• Flour, scooped from the bag: about 8.7 g per tbsp
• Cocoa powder, leveled: 6.0 g, the lightest row in the table
• Table salt, leveled: 17.1 g, dense enough to sink a spoon

Salt deserves a second look because the gap between 17.1 grams and a 15 gram guess is 14 percent, and salt is the one ingredient where that shows up on the tongue. Cocoa runs the other way: at 6.0 grams a spoon, a 15 gram guess would call for one spoonful where the recipe needs two and a half.

The converter handles both directions of that error, since it multiplies your spoon count by the density instead of using a single site wide number. For a 2 tablespoon line of cocoa it reports 12 grams, and for the same 2 tablespoons of salt it reports 34.2 grams.

Butter and oil: the fat rows, and the wrapper that beats the spoon

Butter is the one ingredient with a measuring scale printed on its own packaging, and that scale is more reliable than any spoon. A US stick weighs 113 grams and carries 8 tablespoon marks, so 113 / 8 = 14.125 grams per tablespoon. The 14.2 gram figure in the table is that number rounded, and it holds for melted butter too, since melting changes volume and not weight.

Cold butter is a different measuring problem. It traps air, crumbles and refuses to level, so a level spoon of cold butter can weigh 12 grams while the same spoon of melted butter weighs 14.2. If a recipe asks for 1 tbsp of cold butter, cut at the wrapper mark instead of digging at a tub.

Oil is the easy fat. Olive, canola and vegetable oil all land near 13.5 grams per tablespoon, about 9 percent lighter than water, so a recipe that treats 1 tbsp of oil as 15 grams overshoots by 1.5 grams. In a dressing nobody notices. In a single tablespoon used to bloom spices, the pan notices.

The roux is where the two fat rows meet. A roux starts with equal weights of butter and flour, so 1 tbsp of butter at 14.2 grams needs 14.2 grams of flour, and 14.2 / 7.8 = 1.82 tablespoons of flour, close to 1 tablespoon plus 2 and a half teaspoons. Cooks who match the two by spoon rather than by weight end up about 45 percent short on flour, and the sauce stays thin.

Sugar, salt and honey: the dense spoonfuls

Granulated sugar sits at 12.5 grams per level tablespoon, which makes the quarter cup check easy: 4 x 12.5 = 50 grams, and a quarter cup of sugar is commonly listed as 50 grams. A full cup then runs about 200 grams, a touch under the 200 to 210 gram range in baker charts, since a cup scooped from a bag packs tighter than four level spoons.

Table salt at 17.1 grams per spoon is the densest common pantry item after baking soda. A tablespoon of salt weighs more than a tablespoon of honey, and it is 17.1 / 7.8 = 2.19 times the weight of a tablespoon of flour. That ratio is why a bread formula written in grams and converted with one spoon for every ingredient fails.

Honey is the sticky case. At 21.25 grams per tablespoon, 1 tbsp is 21.25 grams and a 3 tbsp pour is 63.75 grams. Honey also clings: a scraped spoon returns close to a gram less than it measured. Oil the spoon or warm it and the loss drops to almost nothing.

Doubling and quadrupling are exact here, because weight scales in a straight line with spoon count. Four tablespoons of honey is 85 grams whether it is measured as four spoons or as a quarter cup, as long as both are level.

Liquids: what one tablespoon weighs in grams and mL

Liquids are the rows where grams and milliliters nearly meet, and the near miss is the point. One tablespoon is 14.7868 mL by definition, so a liquid with a density of 1.00 g/mL weighs 14.79 grams and a liquid at 1.03 g/mL weighs 15.2 grams. Only water sits at the first figure.

The mL column never moves, and that is the cleanest way to see what density does. Every row pours the same volume. The grams column multiplies that volume by the liquid's density, and it runs from 13.5 grams for oil to 21.25 grams for honey, a spread of 57 percent.

A quarter cup is 4 tablespoons, so the last column is four times the third. Water at 59.15 grams matches the familiar quarter cup line on a measuring cup. Honey at 85 grams per quarter cup explains why a cup of honey weighs 340 grams, more than a cup of sugar and far more than a cup of flour.

US, metric and Australian tablespoons

The tablespoon is not one size everywhere, and a tablespoon to grams answer is only as good as the spoon behind it. The US tablespoon is 14.7868 mL. The metric tablespoon used in Canada and much of Europe is 15 mL, a 1.4 percent difference that rarely matters. The Australian tablespoon is 20 mL, a 35 percent jump that always matters.

Convert with a ratio: 20 / 14.7868 = 1.35, so one Australian tablespoon equals 1.35 US tablespoons. An Australian recipe asking for 1 tbsp of honey means about 28.8 grams, not 21.25. The Australian teaspoon is 5 mL rather than the US 4.93 mL, and it divides the 20 mL spoon into four instead of three.

Metric spoons are the quiet case. A 15 mL spoon holds 15 grams of water and 15.2 grams of milk, so for thin liquids the metric and US answers agree within 2 percent. For flour they differ by 0.15 grams, which is noise. The Australian spoon alone shifts a conversion enough to spoil a bake, which is why the spoon dropdown sits next to the ingredient list.

Measuring one tablespoon without a scale

Three habits cover most of the error. Fill the spoon and sweep the top flat with the back of a knife, because a rounded tablespoon of flour can weigh half again as much as a level one. Do not tap or shake the spoon, since settling packs powder into the same volume. For sticky foods, wipe the spoon with a neutral oil so the full measure slides out.

A scale is still the better tool at this size, and the numbers say why. A scale reading to 1 gram carries at most 1 / 14.79 = 6.8 percent error on a single tablespoon, and most scales do better. A spoon in a hurry can miss by 20 percent on a powder. That is the whole argument for weighing anything a bake depends on: flour, cocoa and leavening above all.

When only spoons are on hand, work in teaspoons below one tablespoon. Since 1 tbsp is 3 tsp, half a tablespoon is 1 and a half teaspoons and a quarter tablespoon is three quarters of a teaspoon. Half measures are where a spoon set earns its keep, because a half tablespoon spoon beats eyeballing half of a full one.

Check the recipe's origin before converting, too. A British recipe printed before 2000 may use a 17.7 mL tablespoon, and an Australian one uses 20 mL. The food and the spoon both set the answer, and the converter above assumes the US 14.7868 mL spoon until the dropdown says otherwise.