Time Duration Calculator
Convert a duration between seconds, minutes, hours, days, and weeks locally in your browser.
36 tools in this category
Utilities for everyday work.
Private browser-based utilities for quick everyday conversions, including time durations, temperatures, lengths, weights, areas, volumes, speeds, pressures, energy, power, torque, force, density, viscosity, acceleration, illuminance, luminance, magnetic flux density, magnetic flux, magnetic field strength, flow rates, electric currents, electric voltages, electric resistances, electric capacitances, electric inductances, electric conductances, electric charges, angles, frequencies, data transfer rates, fuel efficiency, data storage, number bases, and roman numerals. Everything here works without an account.
Temperature Converter
Convert a temperature between Celsius, Fahrenheit, and Kelvin locally in your browser.
Length Converter
Convert a length between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles locally in your browser.
Weight Converter
Convert a weight between milligrams, grams, kilograms, metric tonnes, ounces, pounds, and stones locally in your browser.
Area Converter
Convert an area between square meters, hectares, square kilometers, square feet, square yards, acres, and square miles locally in your browser.
Volume Converter
Convert a volume between milliliters, liters, cubic meters, US cups, gallons, cubic inches, and cubic feet locally in your browser.
Speed Converter
Convert a speed between meters per second, kilometers per hour, miles per hour, knots, and feet per second locally in your browser.
Data Storage Converter
Convert data storage between bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes locally in your browser.
Pressure Converter
Convert a pressure between pascals, kilopascals, bar, psi, atmospheres, and mercury units locally in your browser.
Energy Converter
Convert an energy value between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, and foot-pounds locally in your browser.
Power Converter
Convert a power value between milliwatts, watts, kilowatts, megawatts, horsepower, BTU per hour, and foot-pounds per second locally in your browser.
Angle Converter
Convert an angle between degrees, radians, gradians, turns, arcminutes, and arcseconds locally in your browser.
Frequency Converter
Convert a frequency between hertz, kilohertz, megahertz, and gigahertz locally in your browser.
Data Transfer Rate Converter
Convert a data transfer rate between bits, kilobits, megabits, gigabits, terabits, kilobytes, megabytes, and gigabytes per second locally in your browser.
Fuel Efficiency Converter
Convert fuel efficiency between liters per 100 km, kilometers per liter, US miles per gallon, and UK miles per gallon locally in your browser.
Torque Converter
Convert torque between newton meters, kilogram-force meters, pound-force feet, and ounce-force inches locally in your browser.
Force Converter
Convert force between newtons, kilogram-force, pound-force, ounce-force, and dynes locally in your browser.
Density Converter
Convert density between kilograms per cubic meter, grams per cubic centimeter, pounds per cubic foot, and US gallons locally in your browser.
Viscosity Converter
Convert dynamic viscosity between pascal-seconds, centipoise, poise, and imperial units locally in your browser.
Acceleration Converter
Convert acceleration between m/s², ft/s², standard gravity, gals, and mph per second locally in your browser.
Illuminance Converter
Convert illuminance between lux, kilolux, foot-candles, phot, nox, and lumens per square inch locally in your browser.
Electric Current Converter
Convert electric current between microamperes, milliamperes, amperes, kiloamperes, and megaamperes locally in your browser.
Electric Voltage Converter
Convert electric voltage between microvolts, millivolts, volts, kilovolts, and megavolts locally in your browser.
Electric Resistance Converter
Convert electric resistance between microohms, milliohms, ohms, kiloohms, and megaohms locally in your browser.
Electric Capacitance Converter
Convert electric capacitance between picofarads, nanofarads, microfarads, millifarads, farads, and kilofarads locally in your browser.
Electric Inductance Converter
Convert electric inductance between picohenries, nanohenries, microhenries, millihenries, henries, and kilohenries locally in your browser.
Electric Conductance Converter
Convert electric conductance between nanosiemens, microsiemens, millisiemens, siemens, kilosiemens, and megasiemens locally in your browser.
Electric Charge Converter
Convert electric charge between picocoulombs, microcoulombs, coulombs, milliampere-hours, and ampere-hours locally in your browser.
Flow Rate Converter
Convert flow rate between liters per second, liters per minute, cubic meters per hour, cubic feet per second, and US gallons per minute locally in your browser.
Luminance Converter
Convert luminance between candelas per square meter, nits, stilbs, lamberts, foot-lamberts, and apostilbs locally in your browser.
Number Base Converter
Convert a whole number between binary, octal, decimal, and hexadecimal locally in your browser.
Roman Numeral Converter
Convert numbers between decimal (1-3999) and Roman numerals locally in your browser.
Magnetic Flux Density Converter
Convert magnetic flux density between teslas, milliteslas, microteslas, nanoteslas, gauss, and milligauss locally in your browser.
Magnetic Flux Converter
Convert magnetic flux between webers, milliwebers, microwebers, kilowebers, volt-seconds, and maxwells locally in your browser.
Magnetic Field Strength Converter
Convert magnetic field strength between amperes per meter, kiloamperes per meter, ampere-turns per meter, and oersteds locally in your browser.
Time Unit Converter
Convert a time duration between seconds, minutes, hours, days, and weeks locally in your browser.