Every tool, on one map.

Every unit of measurement, both ways

1. Length ConverterMetres, feet, inches, miles and more.
2. Weight ConverterKilograms, pounds, ounces and stone.
3. Temperature ConverterCelsius, Fahrenheit and Kelvin.
4. Cooking ConverterHAlso on the Health lineCups, tablespoons, millilitres for recipes.
5. Speed Converterkm/h, mph, m/s and knots.
6. Currency Converter$Also on the Money lineConvert between major world currencies.
7. Energy ConverterJoules, calories, kWh and BTU.
8. Pressure ConverterPascals, bar, PSI and atmospheres.
9. Data Size ConverterDAlso on the Digital lineBytes up to terabytes, decimal and binary.
10. Area ConverterSquare metres, acres and hectares.
11. Timezone ConverterTAlso on the Time & Text lineThe same moment in cities around the world.
12. Power ConverterWatts, kilowatts and horsepower.

Arithmetic, percentages, geometry and dates

1. Basic CalculatorAdd, subtract, multiply and divide with a full keypad.
2. Scientific CalculatorTrig, logs, powers and roots for coursework.
3. Percentage Calculator$Also on the Money linePercent of, percent change, tips and discounts.
4. Circumference CalculatorCircumference, area and diameter from a radius.
5. Date CalculatorTAlso on the Time & Text lineDays between dates, or add days to a date.

Loans, savings, budgets and exchange rates

1. Percentage CalculatorMAlso on the Math linePercent of, percent change, tips and discounts.
2. Mortgage CalculatorMonthly payment, total interest and payoff.
3. Loan CalculatorPayments for car, student and personal loans.
4. Currency ConverterCAlso on the Converters lineConvert between major world currencies.
5. Investment CalculatorCompound growth with monthly contributions.
6. Retirement CalculatorWhat your savings could be at retirement.
7. Budget CalculatorIncome against expenses, split 50/30/20.
8. Debt Payoff CalculatorHow long until a balance reaches zero.

Body composition, fitness and nutrition

1. BMI CalculatorBody mass index with the WHO category.
2. Calorie CalculatorDaily energy needs (TDEE) by activity level.
3. Body Fat CalculatorBody fat percentage from tape measurements.
4. Cooking ConverterCAlso on the Converters lineCups, tablespoons, millilitres for recipes.
5. Heart Rate CalculatorTraining zones from your max and resting rate.
6. Protein CalculatorDaily protein target for your goal.
7. Water Intake CalculatorHow much to drink per day, in litres and cups.

Timers, schedules and writing helpers

1. Date CalculatorMAlso on the Math lineDays between dates, or add days to a date.
2. Pomodoro Timer25-minute focus sessions with short breaks.
3. StopwatchLap timing to the hundredth of a second.
4. Timezone ConverterCAlso on the Converters lineThe same moment in cities around the world.
5. Countdown TimerCount down from any number of minutes.
6. Work Schedule CalculatorWeekly hours, overtime and pay from shifts.
7. Word CounterWords, characters, sentences and reading time.
8. Lorem Ipsum GeneratorPlaceholder paragraphs for layouts.

Encoding, security and colour utilities

1. Color PickerPick a colour and copy HEX, RGB or HSL.
2. QR Code GeneratorTurn a link or text into a QR code.
3. Data Size ConverterCAlso on the Converters lineBytes up to terabytes, decimal and binary.
4. Password GeneratorStrong random passwords, generated on your device.
5. Hash GeneratorSHA-1, SHA-256 and SHA-512 digests.
6. Base64 ConverterEncode and decode Base64 text.
7. JSON FormatterFormat, validate and minify JSON.
8. URL EncoderPercent-encode and decode URLs.