Everyday Life

BMI & Calorie Calculator (TDEE)

Body mass index plus daily calories by activity level.

Calorie Deficit Calculator

Turn a daily calorie deficit into an estimated weekly weight loss.

Conception Date Calculator

Estimate the likely conception date from an estimated due date.

Daily Water Intake Calculator

Recommended daily water from your weight and activity level.

Macro Calculator

Split daily calories into grams of protein, carbs and fat.

Ovulation Calculator

Estimate your fertile window and ovulation day from your last period.

Pregnancy Due Date Calculator

Estimated due date and how many weeks pregnant, from your last period.

Sleep Cycle Calculator

The best times to wake up or go to bed, aligned to 90-minute sleep cycles.

Target Heart Rate Calculator

Max heart rate and fat-burn and cardio training zones by age.

VO₂ Max Calculator

Estimate your VO₂ max from a 12-minute run or your resting heart rate.

Aperol Spritz Recipe Calculator

The classic 3-2-1 Aperol Spritz recipe scaled to any number of glasses, poured layer by layer.

Classic Margarita Recipe Calculator

The 2-1-1 classic margarita made from scratch — on the rocks or frozen — scaled to any number of glasses.

Cocktail Recipes

Six classic cocktails poured layer by layer, with exact amounts and the story behind each one.

Coffee Composition

Espresso, milk and foam poured layer by layer, in the real proportions of every coffee drink.

Coffee-to-Water Ratio Calculator

How many grams of coffee to use for your water, by method and ratio.

Espresso Martini Recipe Calculator

Vodka, coffee liqueur and espresso in exact measures, shaken with ice and scaled to any number of glasses.

Hugo Spritz Recipe Calculator

Prosecco, elderflower and soda in the exact 3-2-1 ratio, scaled to any number of glasses.

Interactive Pasta Recipe

Classic pasta recipes step by step, with servings that scale and a built-in cooking timer.

Kitchen Measurement Converter

Convert cups, tablespoons, grams, milliliters and more — by ingredient, so weight and volume match.

Meat Doneness Guide

Cooking time and doneness for beef, pork and chicken, with an animated cross-section of the cut.

Oven Temperature Converter

Convert oven temperatures between °C, °F and Gas Mark.

Recipe Calories & Macros Calculator

Total calories, protein, carbs and fat per serving from your ingredient list, with a macro split chart.

Recipe Cost Calculator

Total cost and cost per serving from your ingredient list, with a cost breakdown chart.

Recipe Scaler

Scale any recipe's ingredient quantities up or down by servings or a custom factor.

Rice to Water Ratio Calculator

The exact water for any amount of rice, by type — white, brown, basmati, jasmine — for stovetop, rice cooker or oven.

Roast Cooking Time Calculator

Roasting time from the weight and type of meat, with editable minutes per kg.

Scoville Scale

The heat of chili peppers in Scoville units, shown as a flame that grows with the spice.

Car Affordability Calculator

Maximum car price from your monthly budget, rate, term and down payment.

Car Depreciation Calculator

What a car will be worth after a few years, with a value chart.

Fuel Economy Calculator

Fuel economy in L/100km, km/L and MPG from distance and fuel used.

Lease vs Buy Calculator

Compare the total cost of buying versus leasing a car over the same term.

Trip Fuel Cost Calculator

Fuel cost of a trip from distance, consumption and fuel price.

Asphalt Calculator

How many tons of hot-mix asphalt you need from the area and thickness of a driveway or lot, with a waste allowance.

BTU Calculator

Air-conditioner size (BTU) a room needs from area and conditions.

Concrete Calculator

Concrete volume and bags for slabs, columns, footings and DIY jobs.

Construction Materials Calculator

Convert between volume and weight for sand, gravel, cement, concrete, soil and more using each material's real density.

Countertop Area Calculator

Add up your countertop area section by section and get the square footage for marble, granite or quartz, with a waste allowance.

Paint Calculator

Litres of paint needed from wall area, coats and coverage.

Pool Volume Calculator

How many gallons or litres a pool holds — rectangular, round or oval — for dosing chemicals and sizing a heater or pump.

Room Size Calculator

Get a room's area in square metres and feet and see how it compares to average bedroom, living room and kitchen sizes.

Square Meters Calculator

Area from length and width, plus conversions between m², ft², and more.

Steel Weight Calculator

Weight of steel by profile — round bar, rebar, plate, I-beam, angle, tube — from its dimensions and length.

Wallpaper Calculator

Rolls of wallpaper needed from wall size, roll size and pattern repeat.

Water Tank Capacity Calculator

Volume in litres and gallons for rectangular and cylindrical tanks.