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Category 10 of 12 · Coffee and pizza maths

Food Calculators

Food calculators take the guesswork out of the kitchen: the right coffee-to-water ratio, sourdough hydration and baker's percentages, a balanced ice cream base, doughnut batches, which pizza size is the best value and how much popcorn a crowd will eat.

Recipes work best by weight, so most tools use grams and show the conversions.

7live calculators
3topics
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Pour-over coffee being poured from a kettle into a mug on a wooden stool

01Coffee

Brew ratios and caffeine estimates. · 2 live

Live

Coffee Calculator

Work out coffee grams and water for pour-over, French press, cold brew, drip or espresso.

02Baking and desserts

Dough, batter and frozen desserts. · 3 live

Live

Donut Calculator

See how many calories are in a donut, how long it takes to burn off by activity.

03Party food

Value and quantities for groups. · 2 live

Live

Pizza Size Calculator

Compare pizza sizes by area and price per square inch, see if one large beats two mediums.

Live

Popcorn Calculator

Work out how much popcorn to make for a party, movie night or event.

Quick guide

Which calculator do I need?

Match what you’re trying to do with the right tool.

If you’re…Brewing coffee
UseCoffee Calculator (ratio and caffeine)
If you’re…Baking bread
UseSourdough Calculator
If you’re…Making ice cream or gelato
UseIce Cream Calculator
If you’re…Frying or baking doughnuts
UseDonut Calculator
If you’re…Ordering pizza
UsePizza Size Calculator
If you’re…Movie night or party snacks
UsePopcorn Calculator

How we build and check these calculators

Every calculator on Tuff Search shows the formula or method it uses, a worked example and its limits, and lists its sources where facts matter. Health, money and legal-rule pages are checked against official or peer-reviewed sources and dated. Read how we build and review calculators in our Editorial Policy.

FAQ

Frequently asked questions

Short answers about the food calculators.

Need a calculator we don’t have?

We add new calculators regularly. Email suggestions@tuffsearch.com with the calculation you need.

New calculator ideassuggestions@tuffsearch.com

Weighing is far more consistent than cups – a cup of flour can vary by 20% or more depending on how it is scooped.

Many brewing guides start at about 1:15 to 1:17 for filter coffee; stronger methods such as espresso use far less water.

Some do – for example the Popcorn Calculator estimates calories by preparation method. Others focus on quantities and ratios.

Yes. Tools such as the Sourdough Calculator work in percentages, so you can scale to any batch size without changing the balance.

Keep exploring

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