All Unit Converters

Metric and imperial distance measurements from millimeters to miles.

Everyday body weight, culinary mass, and industrial tonnage conversions.

Thermodynamic and weather scales across Celsius, Fahrenheit, and Kelvin.

Floor plans, real estate acreage, hectares, and geographic surface area.

Liquid capacity, cooking measurements, and cubic container volumes.

Road velocity, aviation knots, wind speeds, and Mach numbers.

Duration conversions from milliseconds and seconds to calendar years.

Tire PSI, barometric pressure, hydraulic bar, and kilopascals.

Mechanical work, dietary calories, thermal BTUs, and kilowatt-hours.

Electrical wattage, engine horsepower, and HVAC cooling output.

Decimal and binary memory capacity across bytes, MB, GB, and TB.

Network bandwidth and file transfer rates in Mbps, Gbps, and MB/s.

Mechanical and structural load in Newtons, kilonewtons, and pound-force.

Material mass-to-volume ratios and solution concentration in ppm.

Automotive and fastener rotational force in Newton-meters and ft-lbs.

Oscillation cycles and rotational speed from Hertz to GHz and RPM.

Geometric and navigation angles in degrees, radians, and gradians.

Vehicle fuel consumption across US MPG, UK MPG, km/L, and L/100km.

Pipe and pump volumetric flow in L/min, GPM, CFM, and cubic meters.

Circuit amperage conversions across microamps, milliamps, and amps.

Electronic capacitor values in farads, microfarads, and picofarads.

Battery capacity and electrical charge in mAh, Ah, and coulombs.

Component impedance and resistance from milliohms to megohms.

Coil and choke inductance in henries, millihenries, and microhenries.

Magnetic field strength conversions between Tesla, Gauss, and millitesla.

Convert agricultural and bulk dry volume measurements including US dry barrels, bushels, pecks, dry gallons, dry quarts, dry pints, liters, and cubic meters.

Convert major world currencies using standard benchmark reference exchange rates across USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, and INR.

Convert between counting quantities and large number magnitudes including units, dozens, gross, thousands, millions, billions, trillions, lakhs, and crores.

Convert angular velocity and rotational speed between radians per second (rad/s), degrees per second (°/s), revolutions per minute (RPM), and revolutions per second (RPS).

Convert linear acceleration between meters per second squared (m/s²), standard gravity (g), feet per second squared (ft/s²), Gal (cm/s²), and inches per second squared.

Convert angular acceleration between radians per second squared (rad/s²), revolutions per minute per second (RPM/s), revolutions per second squared (rev/s²), and degrees per second squared (°/s²).

Convert thermodynamic specific volume between cubic meters per kilogram (m³/kg), liters per kilogram (L/kg), cubic centimeters per gram (cm³/g), and cubic feet per pound (ft³/lb).

Convert rotational mass moment of inertia between kilogram square meters (kg·m²), kilogram square centimeters (kg·cm²), gram square centimeters (g·cm²), pound square feet (lb·ft²), and slug square feet.

Convert structural bending moment and moment of force between Newton-meters (N·m), kilonewton-meters (kN·m), pound-force feet (lbf·ft), pound-force inches (lbf·in), and kilogram-force meters (kgf·m).

Convert specific energy and mass fuel heating value between joules per kilogram (J/kg), kilojoules per kilogram (kJ/kg), megajoules per kilogram (MJ/kg), calories per gram (cal/g), and BTU per pound (BTU/lb).

Convert volumetric energy density and fuel heating value between joules per cubic meter (J/m³), megajoules per cubic meter (MJ/m³), megajoules per liter (MJ/L), BTU per cubic foot (BTU/ft³), and BTU per US gallon.

Convert temperature differences and thermal intervals (ΔT) between kelvin (ΔK), degrees Celsius interval (Δ°C), degrees Fahrenheit interval (Δ°F), and degrees Rankine interval (Δ°R).

Convert linear and volumetric thermal expansion coefficients between per kelvin (1/K), per degree Celsius (1/°C), per degree Fahrenheit (1/°F), and parts per million per kelvin (ppm/K).

Convert thermal resistance between kelvin per watt (K/W), degree Celsius per watt (°C/W), degree Fahrenheit hour per BTU (°F·h/BTU), and degree Fahrenheit second per BTU.

Convert material thermal conductivity between watts per meter-kelvin (W/(m·K)), watts per centimeter-°C, calories per second-cm-°C, and BTU per hour-foot-°F.

Convert specific heat capacity between joules per kilogram-kelvin (J/(kg·K)), kilojoules per kilogram-kelvin (kJ/(kg·K)), calories per gram-°C (cal/(g·°C)), and BTU per pound-°F (BTU/(lb·°F)).

Convert surface heat density and energy fluence between joules per square meter (J/m²), kilojoules per square meter (kJ/m²), calories per square centimeter (langley), and BTU per square foot (BTU/ft²).

Convert thermal heat flux density and solar irradiance between watts per square meter (W/m²), kilowatts per square meter (kW/m²), watts per square centimeter (W/cm²), and BTU per hour-square foot.

Convert convective and overall heat transfer coefficients (U-values) between watts per square meter-kelvin (W/(m²·K)), kilowatts per square meter-K, calories/s·cm²·°C, and BTU/(h·ft²·°F).

Convert fluid mass flow rates between kilograms per second (kg/s), kilograms per minute (kg/min), kilograms per hour (kg/h), grams per second (g/s), metric tons per hour (t/h), and pounds per hour (lb/h).

Convert chemical molar flow rates between moles per second (mol/s), kilomoles per second (kmol/s), kilomoles per hour (kmol/h), moles per minute (mol/min), millimoles per second, and pound-moles per hour.

Convert mass flux density between kilograms per second per square meter (kg/(s·m²)), kilograms per hour per square meter, grams per second per square centimeter, and pounds per hour per square foot.

Convert chemical molarity and molar concentration between moles per cubic meter (mol/m³), moles per liter (M, mol/L), millimoles per liter (mmol/L), micromoles per liter (µmol/L), and kilomoles per cubic meter.

Convert solution mass concentration between kilograms per liter (kg/L), grams per liter (g/L), milligrams per liter (mg/L), grams per 100 mL (% w/v), pounds per US gallon (lb/gal), and grains per gallon.

Convert dynamic (absolute) fluid viscosity between Pascal-seconds (Pa·s), millipascal-seconds (mPa·s), poise (P), centipoise (cP), pound per foot-second (lb/(ft·s)), and pound-force seconds per square foot.

Convert kinematic fluid viscosity between square meters per second (m²/s), square millimeters per second (mm²/s), stokes (St), centistokes (cSt), and square feet per second (ft²/s).

Convert liquid interfacial surface tension between newtons per meter (N/m), millinewtons per meter (mN/m), dynes per centimeter (dyn/cm), ergs per square centimeter, and pound-force per inch (lbf/in).

Convert hydrogeological and petroleum rock permeability between square meters (m²), darcy (D), millidarcy (mD), microdarcy (µD), and square micrometers (µm²).

Convert photometric luminance and screen brightness between candelas per square meter (cd/m² / nits), kilocandelas per square meter, stilb (sb), lambert (L), foot-lambert (fL), and candelas per square foot.

Convert luminous intensity between candelas (cd), millicandelas (mcd), kilocandelas (kcd), lumens per steradian (lm/sr), and Hefnerkerze (HK).

Convert incident light illuminance between lux (lx), kilolux (klx), millilux (mlx), foot-candles (fc), phot (ph), nox, and lumens per square meter (lm/m²).

Convert digital image and print resolution between dots per inch (DPI), pixels per inch (PPI), dots per centimeter (dpcm), dots per millimeter (dpmm), and pixels per meter.

Convert linear electric charge density between coulombs per meter (C/m), millicoulombs per meter (mC/m), microcoulombs per meter (µC/m), coulombs per centimeter (C/cm), and coulombs per inch (C/in).

Convert surface electric charge density between coulombs per square meter (C/m²), millicoulombs per square meter (mC/m²), microcoulombs per square meter (µC/m²), coulombs per square centimeter, and coulombs per square inch.

Convert volumetric electric charge density between coulombs per cubic meter (C/m³), millicoulombs per cubic meter (mC/m³), microcoulombs per cubic meter (µC/m³), coulombs per cubic centimeter, and coulombs per cubic inch.

Convert linear electric current density between amperes per meter (A/m), amperes per centimeter (A/cm), amperes per inch (A/in), milliamperes per meter (mA/m), and oersteds (Oe).

Convert surface (areal) current density between amperes per square meter (A/m²), kiloamperes per square meter (kA/m²), amperes per square centimeter (A/cm²), amperes per square millimeter (A/mm²), and amperes per square inch.

Convert electric field strength between volts per meter (V/m), kilovolts per meter (kV/m), kilovolts per centimeter (kV/cm), volts per centimeter (V/cm), volts per millimeter (V/mm), volts per inch (V/in), and newtons per coulomb (N/C).

Convert electrical potential difference and voltage between volts (V), millivolts (mV), microvolts (µV), kilovolts (kV), megavolts (MV), watts per ampere (W/A), abvolts, and statvolts.

Convert material electrical resistivity between ohm-meters (Ω·m), ohm-centimeters (Ω·cm), microhm-centimeters (µΩ·cm), microhm-inches (µΩ·in), and ohm square millimeter per meter (Ω·mm²/m).

Convert electrical conductance between siemens (S), millisiemens (mS), microsiemens (µS), kilosiemens (kS), and mho (℧).

Convert electrical and water quality conductivity between siemens per meter (S/m), millisiemens per meter (mS/m), microsiemens per centimeter (µS/cm), millisiemens per centimeter (mS/cm), megasiemens per meter (MS/m), and % IACS.

Convert magnetomotive force (MMF) between ampere-turns (At), kiloampere-turns (kAt), milliampere-turns (mAt), gilberts (Gb), and abampere-turns.

Convert magnetizing field strength (H-field) between amperes per meter (A/m), kiloamperes per meter (kA/m), oersteds (Oe), ampere-turns per meter (At/m), and gilberts per centimeter.

Convert total magnetic flux between webers (Wb), milliwebers (mWb), microwebers (µWb), maxwells (Mx), kilolines, and volt-seconds (V·s).

Convert ionizing radiation dose equivalent between sieverts (Sv), millisieverts (mSv), microsieverts (µSv), rem, millirem (mrem), and joules per kilogram (J/kg).

Convert radioactive source activity between becquerels (Bq), kilobecquerels (kBq), megabecquerels (MBq), gigabecquerels (GBq), curies (Ci), millicuries (mCi), microcuries (µCi), and rutherfords (Rd).

Convert X-ray and gamma radiation air-ionization exposure between coulombs per kilogram (C/kg), millicoulombs per kilogram (mC/kg), microcoulombs per kilogram (µC/kg), roentgens (R), and milliroentgens (mR).

Convert ionizing radiation absorbed dose between grays (Gy), milligrays (mGy), centigrays (cGy), micrograys (µGy), rads, millirads (mrad), and ergs per gram.

Convert numbers across official BIPM SI metric prefixes from quetta (10³⁰), yotta (10²⁴), tera (10¹²), giga (10⁹), mega (10⁶), and kilo (10³) to milli (10⁻³), micro (10⁻⁶), nano (10⁻⁹), and pico (10⁻¹²).

Convert acoustic sound wave pressure between Pascals (Pa), millipascals (mPa), micropascals (µPa, 20 µPa human hearing reference), dynes per square centimeter (barye), and microbars.

Convert desktop publishing, print, and web CSS typography units between PostScript points (pt), picas (pc), CSS pixels (px at 96 DPI), twips, millimeters, centimeters, inches, and Didot points.

Convert timber and lumber volume between board feet (FBM / bd ft), thousand board feet (MBF), cubic feet (ft³), cubic meters (m³), cubic inches (in³), and firewood cords.