Tablespoons to Grams Calculator

The short answer: you can't convert tablespoons to grams with a single universal number. Grams measure mass, tablespoons measure volume, so the conversion depends entirely on how dense the ingredient is. A tablespoon of water weighs about 15 grams. A tablespoon of honey weighs closer to 21 grams. A tablespoon of flour? Around 8 grams.

To get an accurate conversion you need two things: the volume of a tablespoon (in milliliters) and the density of your specific ingredient (in grams per milliliter). Multiply them together and you have your gram weight.

If you're in a pinch and don't have the exact density, using a reliable reference table for common ingredients (like the one further down this page) is the next best thing. For anything unusual or specialty, look up the ingredient's density or weigh it directly on a kitchen scale.

The formula is straightforward once you have your density value:

Grams = Tablespoons × Volume per Tablespoon (mL) × Density (g/mL)

In the US, one tablespoon equals 14.787 mL, which is commonly rounded to 15 mL for most cooking purposes. So the working formula becomes:

Grams = Tablespoons × 15 × Density

For example, say you want to convert 3 tablespoons of vegetable oil. Vegetable oil has a density of roughly 0.92 g/mL. The math looks like this: 3 × 15 × 0.92 = 41.4 grams.

Water has a density of 1.0 g/mL, which makes it the simplest case. One tablespoon of water equals 15 grams exactly (using the rounded volume). Most other ingredients diverge from that baseline depending on whether they're denser or lighter than water.

These are the ingredients people look up most often. The values below are based on standard US tablespoon volume and typical densities for each ingredient.

Keep in mind that flour values can shift depending on how you scoop it. Scooping directly from the bag tends to pack more flour in, which pushes the gram weight higher. Spooning flour into the tablespoon and leveling it off gives a lighter, more consistent result.

It really comes down to density. Some ingredients are airy and loose, like sifted flour or powdered sugar, while others are heavy and compact, like salt or honey. The same physical volume holds very different amounts of mass depending on what's filling it.

Think about it this way: a tablespoon of styrofoam packing peanuts would weigh almost nothing. A tablespoon of lead would be extremely heavy. Kitchen ingredients fall somewhere on that spectrum, and density is the number that tells you exactly where.

There's also the question of how an ingredient settles. Powders like flour and cocoa trap air between their particles. Pack them tightly and the density goes up. Measure them loosely and it drops. Liquids like oil or honey don't have that problem since they fill space completely with no air pockets.

This is exactly why serious bakers prefer weighing ingredients in grams rather than measuring by volume. A kitchen scale eliminates all the guesswork about how packed or loose a dry ingredient is.

Not all tablespoons are the same size, which matters when you're following a recipe from a different country.

The difference between a US and UK tablespoon is about 3 mL per spoon. That might not sound like much, but across several tablespoons it adds up. If you're baking a recipe from a British cookbook and measuring in US tablespoons, you could end up short on an ingredient by a noticeable margin.

Australia's tablespoon is the largest of the common standards at 20 mL, which is four teaspoons instead of three. Australian recipes are worth double-checking for this reason, especially for baking where precision matters more than it does in savory cooking.

When in doubt, look at where the recipe originates. If you're converting a British or Australian recipe, adjust your gram values accordingly or, better yet, just weigh the ingredient directly.

If you want to do the conversion manually, here's how to work through it cleanly.

1. Identify your ingredient. Know exactly what you're measuring, since density varies even between similar ingredients (like granulated sugar versus powdered sugar).
2. Find the density. Check a reliable conversion table for common ingredients. For less common ones, look up the density in g/mL or g/cm³.
3. Note your tablespoon size. If you're in the US, use 15 mL. If the recipe is from the UK, use 17.76 mL. Australia uses 20 mL.
4. Multiply it out. Use the formula: Grams = Number of tablespoons × mL per tablespoon × density (g/mL).
5. Round sensibly. For most cooking, rounding to the nearest half gram is plenty precise. For baking, aim for the nearest gram.

If you have a kitchen scale, you can skip all of this. Zero out the scale with your bowl on it, then add the ingredient until the display shows your target gram weight. It's faster, more accurate, and you only clean one piece of equipment.

This chart covers tablespoon counts from 1 to 16 (which is one cup) for water as a baseline, using the standard US tablespoon at 15 mL and water's density of 1.0 g/mL. For other ingredients, multiply the water value by the ingredient's density.

To use this for a real ingredient, just take the grams column value and multiply by the density of your ingredient. For instance, 4 tablespoons of honey (density ~1.4 g/mL): 60 × 1.4 = 84 grams.

Getting measurements right doesn't require expensive equipment, but a few habits make a real difference.

• Use a digital kitchen scale. Even a basic one that costs under $15 will give you gram-accurate readings. It's the single best upgrade for anyone who bakes regularly.
• Level off dry ingredients. When using a tablespoon for dry ingredients like flour or cocoa, use a straight edge (a butter knife works fine) to scrape off the excess. Heaping tablespoons can add 20 to 30 percent more than the recipe intends.
• Spoon, don't scoop, flour. Scooping flour directly compacts it. Instead, spoon flour into your measuring spoon or cup, then level it. The gram weight will be much closer to what the recipe expects.
• Check your spoon size. Measuring spoons from different sets can vary slightly. If precision matters, verify your tablespoon against a liquid measuring cup. One tablespoon should fill to the 15 mL line.
• Account for recipe origin. If you're following a recipe from Australia or the UK, remember their tablespoon is larger than the US standard. A quick check can save you from over- or under-seasoning a dish.
• Tare between ingredients. When weighing multiple ingredients, zero out the scale between each one instead of doing subtraction math in your head. It keeps things clean and reduces errors.

Small adjustments in how you measure add up fast, especially in baking where ratios matter. Getting comfortable with gram weights instead of pure volume measurements is one of those skills that quietly makes everything you cook come out more consistently.