All Unit Converters and Useful Calculation Tools
Browse all free online converters from Convert Easy Now. Find daily measurement converters, engineering tools, digital converters, chemistry references, GWP calculators and electrical formulas.
Complete conversion category hub
This page connects all major converter categories, including your original categories and the new high-demand tool pages.
Converter Categories
Choose a category and open a focused converter or calculator page.
Length Conversion
Convert mm, cm, meters, kilometers, inches, feet, yards and miles.
Open Length →Weight Conversion
Convert grams, kilograms, ounces, pounds and other weight units.
Open Weight →Area Conversion
Convert square meters, square feet, acres, hectares and land area units.
Open Area →Volume Conversion
Convert liters, gallons, milliliters, cups, fluid ounces and cubic units.
Open Volume →Speed Conversion
Convert mph, km/h, m/s, feet per second, knots and Mach.
Open Speed →Temperature Conversion
Convert Celsius, Fahrenheit, Kelvin and Rankine.
Open Temperature →Time Conversion
Convert seconds, minutes, hours, days, weeks, months and years.
Open Time →Angle Conversion
Convert degrees, radians, gradians, arcminutes, arcseconds and turns.
Open Angle →Pressure Conversion
Convert psi, bar, pascal, kPa, MPa, atm, torr and mmHg.
Open Pressure →Power Conversion
Convert watts, kW, MW, horsepower, BTU/hr and refrigeration tons.
Open Power →Energy Conversion
Convert joules, kJ, BTU, calories, kcal, kWh and electronvolts.
Open Energy →Voltage Conversion
Convert volts, microvolts, millivolts, kilovolts, megavolts and gigavolts.
Open Voltage →Frequency Conversion
Convert Hz, kHz, MHz, GHz, THz and rad/s.
Open Frequency →Electric Charge Conversion
Convert coulombs, pC, nC, μC, mC and ampere-hours.
Open Charge →Electrical Calculations
Calculate amps, watts, volts, ohms, kW, kVA, VA, Wh and mAh.
Open Electrical →Number Conversion
Convert binary, decimal, hex, ASCII, Roman numerals, percent and PPM.
Open Number →Color Conversion
Convert RGB, HEX, CMYK, HSL and HSV color formats.
Open Color →Image Conversion
Convert JPG, PNG, GIF, PDF and black-and-white image formats.
Open Image →Code Conversion
Convert Base64, URL encoding, HTML entities, ASCII and Unicode.
Open Code →Chemistry Conversion
Convert ppm, ppb, ppt, percent and concentration reference values.
Open Chemistry →GWP / CO2e Tools
Calculate CO2 equivalent from gas amount and global warming potential.
Open GWP →