# Recipe calculator for Mac, Windows and Linux

Written on 25 October 2026 by Ratio.

Recipes arrive in cups, grams or ounces, for four people when you cook for six. Type the amount, say what you want it in, and Ratio gives the answer next to it.

## Cups, spoons and weights

| 2.5 cups in ml | 591.47 mL |
| --- | --- |
| 1 tbsp in ml | 14.79 mL |
| 3 tsp in tbsp | 1 tbsp |
| 350 g in oz | 12.35 oz |
| 1 lb in g | 453.59 g |
| 2 pints in l | 0.946 L |
| 1 cup flour in g | 120 g |

## Oven temperatures

| 180 c in f | 356 °F |
| --- | --- |
| 425 f in c | 218.33 °C |

## From four servings to six

Multiply by the new servings and divide by the old ones.

| 250 g * 6 / 4 | 375 g |
| --- | --- |
| 500 g * 1.5 | 750 g |

More in the [unit converter](https://useratio.app/unit-converter).

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## Questions

**How do I convert cups to grams?** For flour, “1 cup flour in g” gives 120 g. Other ingredients depend on their density; cups to millilitres is exact, for example “2.5 cups in ml”.

**Can I scale a recipe for more people?** Yes. Write the amount times new servings divided by old servings, for example “250 g * 6 / 4”.

**Does it do US and metric cups?** It uses the US cup. Convert to millilitres or grams if your recipe uses another size.

Source: https://useratio.app/recipe-calculator