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1 meter = 3.280839895 feet
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Unit
1 celsius = 33.8 degrees Fahrenheit
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Unit
1 kilogram = 2.2046226218 pounds
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Unit
1 liter = 0.26417205124 US gallons
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Unit
1 square foot = 0.09290304 square meters
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Unit
1 kilometer per hour = 0.62137119229 miles per hour
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1 second = 0.016666666667 minutes
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1 megabyte = 0.001 gigabytes
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Common Converters
Length, weight, temperature, area, volume, and everyday units.
Length Converter
Convert between meters, feet, inches, miles, and more — instantly.
Weight & Mass Converter
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Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin instantly.
Area Converter
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Volume Converter
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Speed Converter
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Pressure Converter
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Energy Converter
Convert joules, calories, kWh, BTU, and more — instantly.
Power Converter
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Time Converter
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Force Converter
Convert newtons, kgf, lbf, kN, and more — instantly.
Data Storage Converter
Convert bytes, KB, MB, GB, KiB, MiB, and transfer rates — instantly.
Angle Converter
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Fuel Consumption Converter
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Volume (Dry) Converter
Convert US bushels, dry quarts, pecks, liters, and more — instantly.
Number Base Converter
Convert binary, decimal, hexadecimal, octal, and any base from 2 to 36 — instantly.
Cooking
Cups, grams, tablespoons, and recipe measures — by ingredient.
Engineering / Science
Torque, density, angular velocity, moment of inertia, and more.
Torque Converter
Convert newton meters, foot-pounds, inch-pounds, kgf·m, and more — instantly.
Density Converter
Convert kg/m³, g/cm³, lb/ft³, lb/in³, and more — instantly.
Angular Velocity Converter
Convert RPM, rad/s, deg/s, rev/s, and more — instantly.
Acceleration Converter
Convert m/s², g, ft/s², Gal, and more — instantly.
Moment of Force Converter
Convert newton meters, kgf·m, foot-pounds, kN·m, and more — instantly.
Angular Acceleration Converter
Convert rad/s², rev/s², rev/min/s, and more — instantly.
Moment of Inertia Converter
Convert kg·m², lb·ft², lb·in², kg·cm², and more — instantly.
Specific Volume Converter
Convert m³/kg, ft³/lb, cm³/g, L/kg, and more — instantly.
Heat
Thermal conductivity, heat transfer, fuel efficiency, and related units.
Temperature Interval Converter
Convert °C, °F, K, and °R temperature differences — not absolute temps.
Specific Heat Capacity Converter
Convert J/(kg·K), cal/(g·°C), BTU/(lb·°F), and more — instantly.
Thermal Conductivity Converter
Convert W/(m·K), BTU·ft/(h·ft²·°F), kcal/(h·m·°C), and more — instantly.
Heat Transfer Coefficient Converter
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Thermal Resistance Converter
Convert K/W, °F·h/BTU (IT), °F·s/BTU, and more — instantly.
Thermal Expansion Converter
Convert 1/K, 1/°C, 1/°F, 1/°R, and 1/°Ré — instantly.
Heat Density Converter
Convert J/m², langley, cal/cm², BTU/ft², and more — instantly.
Heat Flux Density Converter
Convert W/m², BTU/(h·ft²), kcal/(h·m²), and more — instantly.
Fuel Efficiency-Mass Converter
Convert J/kg, cal/g, BTU/lb, kg/J, and more — instantly.
Fuel Efficiency-Volume Converter
Convert J/m³, J/L, BTU/ft³, therm/ft³, and more — instantly.
Fluids
Flow, viscosity, concentration, surface tension, permeability, and more.
Flow Converter
Convert GPM, L/min, m³/h, CFM, and more — instantly.
Flow-Mass Converter
Convert kg/s, lb/h, g/min, and more — instantly.
Flow-Molar Converter
Convert mol/s, kmol/h, mmol/min, and more — instantly.
Mass Flux Density Converter
Convert g/(s·m²), kg/(h·m²), lb/(h·ft²), and more — instantly.
Concentration-Solution Converter
Convert g/L, mg/L, ppm, lb/gal, and more — instantly.
Viscosity-Dynamic Converter
Convert Pa·s, cP, poise, and more — instantly.
Viscosity-Kinematic Converter
Convert m²/s, cSt, stokes, and more — instantly.
Surface Tension Converter
Convert N/m, dyne/cm, mN/m, and more — instantly.
Permeability Converter
Convert perm units and SI permeability — instantly.
Light
Luminance, luminous intensity, illumination, digital image resolution, frequency-wavelength, and photometric units.
Luminance Converter
Convert nits, candela per square meter, stilb, lambert, and more — instantly.
Luminous Intensity Converter
Convert candela, lumen per steradian, and historical candle units — instantly.
Illumination Converter
Convert lux, foot-candle, phot, and more — instantly.
Digital Image Resolution Converter
Convert DPI, PPI, dots per meter, and more — instantly.
Frequency-Wavelength Converter
Convert hertz, megahertz, wavelength in metres, and more — instantly.
Electricity
Current, electric potential, resistance, charge, conductance, capacitance, and inductance.
Current Converter
Convert ampere, milliampere, kiloampere, and more — instantly.
Electric Potential Converter
Convert volt, statvolt, abvolt, and more — instantly.
Electric Resistance Converter
Convert ohm, megaohm, microohm, and more — instantly.
Charge Converter
Convert coulomb, ampere-hour, elementary charge, and more — instantly.
Electric Conductance Converter
Convert siemens, microsiemens, mho, and more — instantly.
Electrostatic Capacitance Converter
Convert microfarad, nanofarad, picofarad, and more — instantly.
Inductance Converter
Convert millihenry, microhenry, nanohenry, and more — instantly.
Magnetism
Magnetomotive force, magnetic field strength, flux, and flux density — gauss to tesla and more.
Magnetomotive Force Converter
Convert ampere turn, gilbert, and more — instantly.
Magnetic Field Strength Converter
Convert ampere per meter, oersted, and more — instantly.
Magnetic Flux Converter
Convert weber, maxwell, volt second, and more — instantly.
Magnetic Flux Density Converter
Convert gauss, tesla, and more — instantly.
Radiology
Radiation dose rate, activity, exposure, and absorbed dose — curie to becquerel, gray to rad, and more.
Radiation Converter
Convert gray per second, rad per second, sievert per second, and more — instantly.
Radiation-Activity Converter
Convert curie, becquerel, millicurie, and more — instantly.
Radiation-Exposure Converter
Convert roentgen, coulomb per kilogram, and more — instantly.
Radiation-Absorbed Dose Converter
Convert gray, rad, centigray, millirad, and more — instantly.
Crypto
Bitcoin, Ethereum, and Solana denomination units — satoshi to bitcoin, gwei to ether, lamport to sol.
Others
SI prefixes, data transfer rates, typography, and sound — kilo to mega, Mbps to MB/s, pixel to point, and more.
Prefixes Converter
Convert kilo, mega, giga, milli, micro, and the full SI prefix set — instantly.
Data Transfer Rate Converter
Convert megabit per second, megabyte per second, gibibit per second, and more — instantly.
Typography Converter
Convert CSS pixels, points, picas, inches, and metric typography units — instantly.
Sound Converter
Convert bel, decibel, neper, and more — instantly.
Shoe Size Converter
Convert US, UK, European, Japan, Mondopoint, China, and Korea shoe sizes — instantly.
Ring Size Converter
Convert US, UK, European, Japan, Switzerland, and mm ring sizes — instantly.
Popular conversions
Quick links to high-demand unit pairs — open a dedicated page to convert instantly.
Meter → Foot
Meter to Foot
Celsius → Fahrenheit
Celsius to Fahrenheit
Kilogram → Pound
Kilogram to Pound
Liter → US Gallon
Liter to US Gallon
Kilometer → Mile
Kilometer to Mile
Inch → Centimeter
Inch to Centimeter
Mile → Kilometer
Mile to Kilometer
Fahrenheit → Celsius
Fahrenheit to Celsius
Gram → Ounce
Gram to Ounce
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ConvertUnitOnline brings together the unit conversions people reach for every day — in one clean, fast place. Convert length, weight, temperature, volume, area, and speed with everyday converters, scale recipes with ingredient-aware cooking conversions, and handle specialized work with dedicated engineering, heat, and fluids converters. Every category covers the full range of units, so you can jump straight to the exact conversion you need.
Whether you are cooking from a foreign recipe, sizing a project, checking an engineering spec, or just settling a quick "how many feet in a meter" question, these tools are built to stay out of your way — no sign-up walls, no usage caps, no cluttered pages full of distractions. Everything runs instantly in your browser, free forever, so you get your answer and get on with your day.