Cooking fails most often on measurement, not on skill. A recipe that works in one kitchen fails in another because the pan, pot or scoop was a different size. This free tool takes spoon measures out of the guessing game. It converts teaspoons, tablespoons, dashes, pinches, smidgens and drops into millilitres and grams for common ingredients, so old recipes and new ones agree, right in your browser, with no account and no download.
The maths behind the tool is simple and honest: the base units are fixed: one teaspoon is 5 millilitres and one tablespoon is 15 millilitres, which is three teaspoons. The tiny measures are traditional and rough: a dash is about 0.6 millilitres, a pinch about 0.3 millilitres, a smidgen about 0.15 millilitres, and a drop about 0.05 millilitres. Grams then depend on the ingredient, because a teaspoon of flour weighs far less than a teaspoon of honey.
density is what turns millilitres into grams. Water and milk weigh 1 gram per millilitre, flour about 0.53, sugar about 0.85, salt about 1.2, melted butter about 0.96, and honey about 1.42. That is why a tablespoon of honey weighs about 21 grams while a tablespoon of flour weighs only about 8 grams, even though both are 15 millilitres.
Use the tool before you shop, not after. for baking, always use real measuring spoons and level them off with a knife. A heaped teaspoon can hold twice a level teaspoon, which is enough to ruin a cake that depends on baking powder or salt. For soups, stews and dressings, a pinch or dash is fine, because those dishes forgive small errors and you can taste and adjust.
Watch out for the usual trap: the most common mistake is using a table spoon from the cutlery drawer as a tablespoon measure. Eating spoons vary widely and are usually bigger than 15 millilitres. Another mistake is confusing a dessert spoon with a tablespoon: a dessert spoon is 10 millilitres, a full third less, which matters in baking and in cocktails.
Here is how a typical session goes. Open the tool, enter the numbers you already know, and read the result before you change anything else. Then change one input at a time and watch how the result moves: that single habit teaches you more about sizes than any table, because you see which input matters most. Try your own real numbers, not just the defaults, and compare the result with the pan, pot or scoop sitting in your cupboard right now. If the result surprises you, measure again: a wrong diameter or a guessed height is the usual cause, not a fault in the tool.
Plan the whole job around the number the tool gives you. If the volume changes, the cooking time, the dish size and the serving count all change with it, so check them together instead of fixing one and forgetting the rest. Write the result on the recipe card, so next time you cook the same dish you start from the right number instead of measuring again.
This tool suits beginners and experienced cooks alike. Beginners get a safe number without learning formulas, and experienced cooks get a fast check before scaling a recipe up for a party or down for two people. Both groups avoid the same waste: food that overflows, dishes that come up short, and batches that bake unevenly.
Save this page for your next cooking session. The tool is free, works on a phone or a computer, and needs no sign-up. Enter your numbers, read the result, and cook with a plan instead of hoping the size works out.
Versión en español de esta herramienta

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