Unit Converters
34 tools available
Convert length, weight, temperature, area, volume, speed, and 30+ unit types.
Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, and nautical miles instantly.
Weight Converter
Convert between milligrams, grams, kilograms, ounces, pounds, metric tons, and stones in real time.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales with real-time results.
Area Converter
Convert between square millimeters, centimeters, meters, kilometers, inches, feet, yards, acres, and hectares.
Volume Converter
Convert between milliliters, liters, US/UK gallons, fluid ounces, cups, pints, quarts, and cubic meters.
Speed Converter
Convert between m/s, km/h, mph, knots, ft/s, and Mach numbers instantly.
Pressure Converter
Convert between Pascal, kilopascal, bar, atmosphere, PSI, mmHg, and Torr pressure units.
Energy Converter
Convert between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, BTU, and electronvolts.
Power Converter
Convert between watts, kilowatts, megawatts, horsepower, PS, BTU/h, and ft-lbf/s.
Frequency Converter
Convert between Hertz, kilohertz, megahertz, gigahertz, and RPM.
Data Storage Converter
Convert between bits, bytes, KB, MB, GB, TB, PB in both binary (IEC) and decimal (SI) standards.
Data Transfer Rate Converter
Convert between bps, Kbps, Mbps, Gbps, B/s, KB/s, and MB/s data transfer speeds.
Time Converter
Convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Angle Converter
Convert between degrees, radians, gradians, arcminutes, arcseconds, and turns.
Force Converter
Convert between newtons, kilonewtons, pound-force, kilogram-force, dynes, and poundals.
Torque Converter
Convert between newton-meters, foot-pounds, inch-pounds, and kilogram-force meters.
Density Converter
Convert between kg/m³, g/cm³, lb/ft³, lb/in³, and kg/L density units.
Flow Rate Converter
Convert between L/s, L/min, m³/h, gal/min (GPM), and ft³/s (CFS).
Luminance Converter
Convert between candela/m², nits, lamberts, and foot-lamberts.
Illuminance Converter
Convert between lux, foot-candles, and phots for lighting measurements.
Fuel Economy Converter
Convert between MPG (US), MPG (UK), km/L, and L/100km fuel economy ratings.
Cooking Units Converter
Convert cooking measurements: cups, tablespoons, teaspoons, fluid ounces, milliliters, liters, grams, ounces, and pounds.
Shoe Size Converter
Convert shoe sizes between US, UK, EU, JP (cm), and CN systems for men, women, and kids.
Clothing Size Converter
Convert clothing sizes between US, UK, and EU systems with XS to 5XL mappings for men and women.
Paper Size Converter
Compare paper sizes: A0-A10, B0-B10, Letter, Legal, and Tabloid with dimensions in mm and inches.
Typography Units Converter
Convert between px, pt, em, rem, cm, mm, inches, and picas with configurable base font size.
CSS Units Converter
Convert between px, em, rem, %, vw, vh, vmin, and vmax with configurable viewport and font size.
Astronomical Distance Converter
Convert between kilometers, miles, astronomical units (AU), light-years, and parsecs.
Radiation Converter
Convert between sieverts, millisieverts, microsieverts, rem, millirem, grays, and rads.
Viscosity Converter
Convert between pascal-seconds, centipoise, poise, stokes, and ft²/s viscosity units.
Electric Current Converter
Convert between amperes, milliamperes, microamperes, and kiloamperes.
Voltage Converter
Convert between volts, millivolts, microvolts, kilovolts, and megavolts.
Capacitance Converter
Convert between farads, millifarads, microfarads, nanofarads, and picofarads.
Inductance Converter
Convert between henries, millihenries, microhenries, and nanohenries.
About Unit Converters
Our unit converters collection offers a comprehensive suite of browser-based utilities designed to handle everyday tasks without any software installation. Every tool processes your data entirely on your device — nothing is uploaded to a server, keeping your files completely private.
Whether you're a professional needing quick conversions, a student working on assignments, or anyone who values privacy, these 34+ free tools are ready to use instantly. No signup, no downloads, no limits.
Common Use Cases
- ✓Quick file processing without installing software
- ✓Privacy-sensitive work that can't be uploaded to cloud services
- ✓Batch operations on multiple files at once
- ✓Cross-format conversions for compatibility
- ✓On-the-go editing from any device with a browser
Frequently Asked Questions
Are these unit converters really free?
Yes, every tool is 100% free with no hidden fees, no premium tiers, and no usage limits.
Is my data safe when using these tools?
Absolutely. All processing happens directly in your browser. Your files are never uploaded to any server.
Do I need to create an account?
No. Every tool works instantly without any signup or registration.
Can I use these tools on mobile?
Yes! All tools are fully responsive and work on phones, tablets, and desktops.
What browsers are supported?
Our tools work on all modern browsers including Chrome, Firefox, Safari, and Edge.