Everyday Life calculators

Coffee grounds and water for a perfect brew.

Convert cups, tablespoons, millilitres and grams.

Monthly electricity cost from appliance usage.

Estimated CO₂ emissions from a flight.

Total fuel cost for any journey.

Split a gift budget across a list of people.

How long a download takes at a given connection speed.

Entropy and estimated crack time for a password.

Daily food portion and how long a bag lasts.

Which pizza size is actually better value.

How much of your life goes to screens.

Divide a bill evenly, including tax and tip.

Tiles needed for a floor or wall, with wastage.

Tip amount and total bill, split across your group.

Total trip budget across travel, stay and food.

Compare grocery deals by price per unit.

Calories burned on a walk.

Rolls of wallpaper needed for a room.