Free kitchen calculators
Scale any recipe.
Convert any ingredient.
Cooking for two instead of twelve? Working from a British recipe with an American cup set? Adjust serving sizes and switch between grams, cups, ounces, milliliters and spoons — instantly, with real per-ingredient densities.
Recipe serving scaler
Enter the servings your recipe makes and the servings you want. Every ingredient is multiplied by the same factor and rounded to amounts you can actually measure.
Scaled recipe — serves 8
- 500 gAll-purpose flour(was 250 g)
- 4 pcsEggs(was 2 pcs)
- 600 mlMilk(was 300 ml)
Popular conversion tools
Dedicated calculators for the conversions home cooks reach for most.
Why cooks convert by weight
Three reasons a small kitchen scale beats a drawer full of measuring cups.
Weigh for consistency
A cup of flour can weigh anywhere from 110 to 150 grams depending on how it is scooped. Grams give you the same result every single bake.
Every ingredient is different
A cup of sugar weighs 200 g, but a cup of oats weighs 90 g. Our converters use per-ingredient densities, not one-size-fits-all guesses.
Scale without the math
Doubling a recipe that calls for ⅓ cup of something is fiddly. The scaler snaps results to practical kitchen fractions you can actually measure.
Frequently asked questions
Are the RecipeConvertCalc.com calculators free to use?
Yes. Every recipe scaler and conversion calculator on the site is free, runs in your browser, and needs no account or download.
Do the converters account for different ingredients?
Yes. Cups measure volume and grams measure weight, so each converter uses the real density of the ingredient you select — flour (125 g/cup), sugar (200 g/cup), honey (340 g/cup) and 20+ more.
Can I scale a recipe up or down on this site?
Yes. The recipe serving scaler multiplies every ingredient by one factor (new servings ÷ original servings) and rounds the results to practical kitchen fractions and whole numbers.
Which cup size do the calculators use?
All volume conversions use the US 240 ml cup, which is standard in American recipes. Spoon flour in and level it off to match the listed densities.
Do the calculators work on my phone?
Yes. The tools are built for touch screens with large fields and buttons, so they are easy to use at the stove on a phone or tablet.
Need a quick reference at the stove?
Our conversion charts put cups, spoons, grams, ounces, butter and oven temperatures on one page.