As of database update 12. (full version)
Categories: 65
Units: 845

Click on a category name to expand.

Common Mass / Weight   (m) Kilogram Gram Milligram Ounce Pound Stone Stone Pound Ounce Slug Short ton Tonne Long ton (Imperial) Grain Troy ounce Troy pound Carat Pennyweight Microgram (mcg) Pound Ounce Hundredweight Distance / Length   (l) Millimetre Centimetre Metre Kilometre Inch Foot Foot Inch Yard Rod Mile Nautical mile Link League Chain Pace Cubit Span Hand Astronomical unit Light-year Micrometer Fathom Cable (US) Cable (UK) Parsec Light-month Light-day Light-hour Light-minute Light-second Pica Point Furlong Area   (A) Square Metre Square Millimetre Square Centimetre Square Kilometre Acre Hectare Square Inch Square Foot Square Yard Square Mile Tatami Square decimetre Roods Hides Square furlong Square nautical miles Acres (U.S. survey) Townships Homesteads Barns Ares Square microns Square nanometres Tárea Chō Tan Se Bu Tsubo Jō Gō Shaku Rai Ngarn Tarangwa / square waa Pyeong / Ping Lí Fēn Mǔ Shí Qǐng Fāng chǐ Temperature   (T) Kelvin Celsius Fahrenheit Rankine Newton Delisle Gas mark Volume   (V) Cubic Metre Cubic Millimetre Cubic Centimetre Cubic Inch Cubic Foot Cubic Yard Litre Tablespoon (US) Tablespoon (UK) Teaspoon (US) Teaspoon (UK) Dessertspoon (US) Dessertspoon (UK) Ounce (US) Cup (US) Cup (UK) Pint (US) Pint (UK) Gallon (US) Gallon (UK) Barrel (US, Oil) Barrel (UK) Barrel beer (US) Board foot Quart (US) Quart (US, dry) Quart (UK) Millilitre Barrel (US) Megalitre Gigalitre Acre foot Ounce (UK) Time   (t) Picosecond Nanosecond Microsecond Millisecond Seconds Minute Hour Day Week Month (30 days) Month (avg) Year YY:MM:DD-hh:mm:ss POSIX time Speed / Velocity   (v) Metre per second Metre per hour Kilometre per hour foot per second foot per hour Mile per hour Knot Mach Speed of light in vacuum Kilometre per second Mile per second Metre per minute Angle / Trigonometry   (∠ ∆) Radian Degree Quadrant Octant Sign Gradian / Grade/ Gon Minute of arc Arcsecond Degree Min Sec Milliradian Microradian Pi Right angle Sextant Binary degree / brad Mil (Nato) Mil (stadiametric) Mil (Soviet Union) Mil (Sweden) Point Turns Circle Revolution Sine Arc sine Cosine Arc cosine Tangent Arc tangent Currency   (¤) Euro (EUR) United Arab Emirates dirham (AED) Argentine peso (ARS) Australian dollar (AUD) Bulgarian lev (BGN) Brazilian real (BRL) Canadian dollar (CAD) Colombian Peso (COP) Swiss franc (CHF) Chilean Peso (CLP) Chinese yuan renminbi (CNY) Czech koruna (CZK) Danish krone (DKK) Algerian dinar (DZD) Estonian kroon (EEK) Egyptian pound (EGP) Pound sterling (GBP) Hong Kong dollar (HKD) Croatian kuna (HRK) Hungarian forint (HUF) Indonesian rupiah (IDR) Israeli shekel (ILS) Indian rupee (INR) Icelandic króna (ISK) Japanese yen (JPY) South Korean won (KRW) Lithuanian litas (LTL) Latvian lats (LVL) Moroccan dirham (MAD) Macau Pataca (MOP) Mauritian Rupee (MUR) Mexican peso (MXN) Malaysian ringgit (MYR) Norwegian krone (NOK) New Zealand dollar (NZD) Peruvian Nuevo Sol (PEN) Philippine peso (PHP) Polish zloty (PLN) Qatari riyal (QAR) New Romanian leu (RON) Russian rouble (RUB) Swedish krona (SEK) Singapore dollar (SGD) Slovak koruna (SKK) Thai baht (THB) Turkish new lira (TRY) Taiwan dollar (TWD) US dollar (USD) Vietnamese đồng (VND) CFP franc (XPF) South African rand (ZAR) Albanian Lek (ALL) Bangladesh Taka (BDT) Cuban Peso (CUP) Gibraltar pound (GIP) Iran Rial (IRR) Kenyan Shilling (KES) Cambodian riel (KHR) Pakistani Rupee (PKR) Saudi Arabian Riyal (SAR)

Engineering Density   (ρ) Kilograms per cubic metre Ounces per cubic inch Pounds per cubic foot Pounds per cubic yard Pounds per gallon (US) Pounds per gallon (UK) of Water of Air Pressure   (p) Pascal Bar Atmosphere Centimetre of mercury Centimetre of water (4 °C) Inch of mercury Foot of water (4 °C) Inch of water (4 °C) Pound-force per sq inch Torr Kilopascal Millibar Megapascal Millimetre of mercury Millimetre of water Pound-force per sq foot Kilogram-force per sq metre Kilogram-force per sq centimetre Frequency   (f) Picosecond Nanosecond Microsecond Millisecond Second Hertz Kilohertz Megahertz Gigahertz Terahertz Petahertz Acceleration   (a) Metre per second squared Gravity Galileo Inch per second squared Foot per second squared Mile per second squared Mile per hour per second Knots per hour per second Inch per minute squared Inch per hour squared Foot per minute squared Foot per hour squared Yards per second squared Yards per minute squared Yards per hour squared Mile per minute squared Mile per hour squared Kilometres per second squared Kilometres per minute squared Kilometres per hour squared Energy   (E) Joule (Watt-second) Kilojoule Calorie (IT) Kilocalorie Horsepower-hour British thermal unit (IT) Kilowatt-hour Litre-atmosphere Gallon-atmosphere (US) Gallon-atmosphere (UK) erg (g·cm²/s²) Electron volt Foot-pound Exajoule Tonne of oil equivalent Megatonne of oil equivalent Explosive Ton Power   (P) Watt Kilowatt Horsepower BTU per hour (IT) Calorie per second (IT) Boiler horsepower Poncelet Tons Force   (F) Newton Dyne Poundal Ounce-force Pound-force Ton-force Kip-force Atomic unit of force Gram-force Kilogram-force Torque   (τ) Newton metre Kilonewton metre Foot-pound Inch-pound Metre gram Metre kilogram Centimetre kilogram Dyne centimetre Newton centimetre Angular velocity   (Ω / ω) Radians per second Radians per minute Revolutions per second Revolutions per minute Degrees per second Degrees per minute Degrees per hour Radians per hour Revolutions per hour Pi radian per second Pi radian per minute Pi radian per hour Moment of Inertia   (I) Kilogram square metre Kilogram square centimetre Kilogram square millimetre Gram square centimetre Gram square millimetre Kilogram-force metre sq second Kilogram-force centimetre sq second Ounce square inch Ounce-force inch sq second Pound square foot Pound-force foot sq second Pound square inch Pound-force inch sq second Slug square foot Metal Hardness   (HV) Vickers Brinell (10 m/m ball 3000kgm load) Brinell (10 m/m Diam. Of Ball ) Tensile strength Rockwell 60 kg A Scale Rockwell 100 kg B Scale Rockwell 150 kg C Scale Rockwell 100 kg D Scale Rockwell 45 kg Rockwell 30 kg Rockwell 15 kg Scleroscope Circular   (ʘ) Diameter Radius Circumference Area Sphere surface area Sphere volume Angular acceleration   (α) Revolutions per second squared Revolutions per minute squared Revolutions per hour squared Radians per second squared Radians per minute squared Radians per hour squared Degrees per second squared Degrees per minute squared Degrees per hour squared Pi radian per second squared Pi radian per minute squared Pi radian per hour squared

Clothing Suit/coat/sweater   (♂) European UK USA Japan Dress/suit   (♀) European UK USA USA (letter) Japan Shirts   (♂) European UK USA Japan Blouse/sweater   (♀) European UK USA Shoes (Men)   (♂) European UK USA Mexico Shoes (Women)   (♀) European UK USA Mexico Socks European UK/USA Stockings (Women)   (♀) European UK/USA Dress (Juniors)   (♀) European UK USA Bra - band   (♀) European UK/USA France Italy Australia Bra - cup   (♀) European UK/USA Italy Australia Hats European UK USA Letter Inches Centimetre Rings Europe UK USA Japan Circ. Millimetre Diam. Millimetre Circ. Inch Diam. Inch

Computing / video Timecode/Frames hh:mm:ss:ms Frames (24fps) Frames (25fps) Frames (29.97fps) Frames (30fps) Feet-frames 16mm Feet-frames 35mm SMPTE Film SMPTE PAL SMPTE N-Drop SMPTE 30 Millisecond Seconds Minute Hour Video length/space hh:mm:ss:ms Seconds Minute Hour DV DVCPRO HDV 720p HDV 1080p HD 1080i Uncompressed 720p Uncompressed 1080i Uncompressed 1080p Uncompressed SD ProRes 422 (HD) ProRes 422 (SD) XDCAM HD (35Mbps) XDCAM HD (25Mbps) XDCAM HD (18Mbps) XDCAM HD (35Mbps, GB) Data storage Bit Byte Kilobit Kilobyte Megabit Megabyte Gigabit Gigabyte Terabyte Petabyte Exabyte Zettabyte Kilobyte (hardware) Megabyte (hardware) Gigabyte (hardware) Terabyte (hardware) Kilobit (hardware) Megabit (hardware) Gigabit (hardware) Terabit (hardware) Data download   ( ) Kilobyte Megabyte Kilobit Megabit 56Kbps modem 128Kbps ISND ADSL T1 T2 USB1.0 USB2.0 Firewire 400 Firewire 800 Bluetooth v1 WiFi G Fast Ethernet ADSL2+ (20Mbps) Gigabyte WiFi N USB3.0 SATA 1.5 Gbits SATA 3 Gbits Gigabit Ethernet ADSL2 Numeral System   (#) Decimal Binary Octal Hexadecimal RGB colour RGB percent RGBA colour RGBA percent UTF-16 Base-36 Roman Duodecimal UTF-8 (ASCII)

Electricity Resistance   (R) Microhm Ohm Kilohm Megaohm Resistor colour code Resistor band code Abohm Statohm Electric current   (I) milliampere Ampere Kiloampere Biot Abampere EMU of current Statampere ESU of current CGS e.m. CGS e.s. Resistivity   (ρ) Ohm metre Ohm centimetre Ohm inch Microhm metre Microhm centimetre Microhm inch Abohm metre Abohm centimetre Abohm inch Statohm metre Statohm centimetre Statohm inch Circular mil ohm per foot

Fluid Volumetric Flow   (Q) Cubic metre per second Cubic metre per minute Cubic metre per hour Gallons(UK) per second Gallons(UK) per minute Gallons(UK) per hour Gallons(US) per second Gallons(US) per minute Gallons(US) per hour Litre per second Litre per minute Litre per hour Cubic Foot per second Cubic Foot per minute Cubic Foot per hour Barrels(UK) per second Barrels(UK) per minute Barrels(UK) per hour Barrels(US) per second Barrels(US) per minute Barrels(US) per hour Cubic meters per day Gallons(US) per day Million gallons(US) per day Acre foot per year Fuel consumption Miles per Gallon (UK) Miles per Gallon (US) Na. Miles per Gallon (US) Miles per Litre (US) Na. Miles per Litre Kilometre per Litre Litres per 100km Gallon per Mile (UK) Gallon per Mile (US) Gallon per N.Mile (US) Metres per cubic metre Litres per 100 mile Gallons per 100 mile (US) Gallons per 100 mile (UK) Gallons per 100km (US) Gallons per 100km (UK) Viscosity (dynamic)   (μ / η) Pascal second Newton second/sq metre Millinewton second/sq metre Dyne second/sq centimetre Kilogram-force second/sq metre Exapoise Petapoise Terapoise Gigapoise Megapoise Kilopoise Poise Centipoise Millipoise Micropoise Nanopoise Pound-force second/sq inch Pound-force second/sq foot Gram per centimetre second Pound per foot second Pound per foot hour Viscosity (kinematic)   (ν) Square metre/second Square metre/hour Square centimetre/second Square millimetre/second Square foot/second Square foot/hour Square inch/second Petastokes Terastokes Gigastokes Megastokes Kilostokes Stokes Centistokes Millistokes Microstokes Nanostokes Concentration (solution) Kilogram per litre Gram per litre Milligram per litre Pound per cubic foot Pound per gallon (US) Pound per gallon (UK) Pound per million gallon (US) Pound per million gallon (UK) Grain per gallon (US) Grain per gallon (UK) Part per million Concentration (molar) Moles per litre Moles per millilitre Moles per cubic millimetre Moles per cubic centimetre Moles per cubic metre Kilomoles per litre Kilomoles per millilitre Kilomoles per cubic millimetre Kilomoles per cubic centimetre Kilomoles per cubic metre Millimoles per litre Millimoles per millilitre Millimoles per cubic millimetre Millimoles per cubic centimetre Millimoles per cubic metre Particles per litre Particles per millilitre Particles per cubic millimetre Particles per cubic centimetre Particles per cubic metre

Radiology Radioactivity   (☢) Curie Becquerel Rutherford Microcurie Nanocurie Picocurie Millicurie Carbon 14 Dating   (¹⁴C) Percent of Carbon 14 Years Electromagnetic spectrum   (EM) Hertz Kilohertz Megahertz Gigahertz Terahertz Petahertz Exahertz Megametre Kilometre Metre Centimetre Micrometre Nanometre Picometre Femtoelectronvolt Picoelectronvolt Nanoelectronvolt Microelectronvolt Millielectronvolt Electronvolt Kiloelectronvolt Millimetre Radiation absorbed Nanogray Microgray Milligray Gray Kilogray Megagray Gigagray Rad Millirad Joule per Gram Radiation   (αβγ) Gigagray per second Megagray per second Kilogray per second Gray per second Centigray per second Milligray per second Microgray per second Rad per second Rem per second Sievert per second Joule per kilogram per second Watt per kilogram Radiation exposure   (☢) Coulombo per kilogram Millicoulomb per kilogram Microcoulomb per kilogram Sievert Rem Roentgen Parker Rep

Others Navigation   (✴) North Azimuth Degree North Azimuth Bearing Degree Bearing Direction Luminance   (Lᵥ) Candela per sq meter (Nit) Candela per sq centimeter Candela per sq Foot Candela per sq Inch Stilb Lambert Foot-Lambert Apostilb Illuminance   (Eᵥ) Lux (Lumen per sq meter) Kilolux Lumen per sq centimeter Lumen per sq foot Lumen per sq inch Meter-candel Foot-candle Phot Milliphot Nox Studio lighting SI prefixes   (SI) Yotta (Septillion) Zetta (Sextillion) Exa (Quintillion) Peta (Quadrillion) Tera (Trillion) Giga (Billion) Mega (Million) Kilo (Thousand) Hecto (Hundred) Deca (Ten) none (One) Deci (Tenth) Centi (Hundredth) Milli (Thousandth) Micro (Millionth) Nano (Billionth) Pico (Trillionth) Femto (Quadrillionth) Atto (Quintillionth) Zepto (Sextillionth) Yocto (Septillionth) Typography   (Abc) Meter Centimeter Millimeter Inch Point (computer/PostScript) Pica (computer) Point (print) Pica (print) Twip En Pixel 72dpi Pixel 96dpi Musical Intervals   (♯) Octave Semitone Cents Musical notes   (♫) Breve (double whole note) Semibreve (whole note) Minim (half note) Crotchet (quarter note) Quaver (eighth note) Semiquaver (sixteenth note) Demisemiquaver (thirty-second note) Hemidemisemiquaver (sixty-fourth note) Minim Triplet Crotchet Triplet Semiquaver Triplet Sound level Decibel Bel Neper Paper Weights Grammage Bond Ledger Caliper Thickness Offset Text Cover Tag Index Points Wire gauge   (AWG) AWG Inch (diameter) Millimetre (diameter) Turns of wire per inch Turns of wire per centimetre Thousand circular mil (area) Square millimetre (area) Copper resistance per kilometre Copper resistance per 1000 feet