Unit Reference

More than 200 units supported out-of-the box. Add more if you need them.

Common Units

Time

Name	Symbol	Definition
Second	s, sec	Base unit of time
Minute	min	60 seconds
Hour	h, hr	60 minutes
Day	day	24 hours
Week	wk	7 days
Month	mo	30.436875 days
Year	yr	365.2425 days
Milliseconds	ms	1 second = 1k ms
Microseconds	µs	1 second = 1M µs
Nanoseconds	ns	1 second = 1G ns

Length

Metric

Unit Name	Unit Symbol	Definition
Nanometers	nm	One billionth of a meter
Micrometers	µm	One millionth of a meter
Millimeters	mm	One thousandth of a meter
Centimeters	cm	One hundredth of a meter
Decimeters	dm	One tenth of a meter
Meters	m	The base unit of length in the metric system
Kilometers	km	1000 meters

Imperial

Unit Name	Unit Symbol	Definition
Furlongs	fur	1 furlong = 220 yards
Miles	mi	1 mile = 1,760 yards
Yards	yd	1 yard = 3 feet
Feet	ft or '	1 foot = 12 inches
Inches	"

Space & Sea

Unit Name	Unit Symbol	Definition
Fathoms	ftm	A unit of length equal to 6 feet (1.8288 meters), commonly used to measure the depth of water.
Nautical Miles	NM	A unit of distance used in maritime and air navigation, equal to one minute of latitude or approximately 1.15078 miles (1.852 kilometers).
Light Years	ly	A unit of astronomical distance equivalent to the distance that light travels in one year, about 5.88 trillion miles (9.46 trillion kilometers).

Area

Metric

Unit Name	Unit Symbol	Definition
Square nanometers	nm², nm^2, nm2	Area of a square with sides of one nanometer.
Square micrometers	µm², µm^2, µm2	Area of a square with sides of one micrometer.
Square millimeters	mm², mm^2, mm2	Area of a square with sides of one millimeter.
Square centimeters	cm², cm^2, cm2	Area of a square with sides of one centimeter.
Square meters	m², m^2, m2	Area of a square with sides of one meter.
Square kilometers	km², km^2, km2	Area of a square with sides of one kilometer.

Imperial

Unit Name	Unit Symbol	Definition
Square Mile	mi², sqmi, mi^2, mi2	A unit of area equal to a square measuring 1 mile on each side.
Square Yard	yd², sqyd, yd^2, yd2	A unit of area equal to a square measuring 1 yard on each side.
Square Feet	ft², sqft, ft^2, ft2	A unit of area equal to a square measuring 1 foot on each side.
Square Inches	in², sqin, in^2, in2	A unit of area equal to a square measuring 1 inch on each

Land

Unit Name	Unit Symbol	Definition
Ares	ha	A metric unit of area equal to 100 square meters.
Hectare	ha	A metric unit of area equal to 10,000 square meters.
Acre	ac	A unit of area commonly used in the US and UK, equal to 43,560 square feet.

Volume

Metric

Unit Name	Unit Symbol	Definition
Metric Cups	cup	1 cup = 250 milliliters
Cubic Micrometers	µm³	1 µm³ = 1e-18 cubic meters
Cubic Millimeters	mm³	1 mm³ = 1e-9 cubic meters
Cubic Centimeters	cm³	1 cm³ = 1e-6 cubic meters
Cubic Kilometers	km³	1 km³ = 1e9 cubic meters
Cubic Meters	m³	Base unit for measuring volume
Milliliters	mL	1 mL = 1e-3 liters
Megaliters	ML	1 ML = 1e6 liters
Kiloliters	kL	1 kL = 1e3 liters
Liters	L	Base unit for measuring liquid volume

Imperial

Unit Name	Unit Symbol	Definition
Cubic Miles	mi³, mi3, mi^3, miles^3	A measure of volume equivalent to a cube with edges of one mile.
Cubic Yards	yd³, cuyd, yd3, yd^3	A measure of volume equivalent to a cube with edges of one yard.
Cubic Feet	ft³, cuft, ft3, ft^3	A measure of volume equivalent to a cube with edges of one foot.
Cubic Inches	in³, in3, in^3	A measure of volume equivalent to a cube with edges of one

US Customary

Unit Name	Unit Symbol	Definition
Gallons	gal	A unit of liquid capacity equal to 4 quarts.
Quarts	qt	A unit of liquid capacity equal to 2 pints.
Tablespoons	tbsp	A unit of volume equal to 3 teaspoons.
Teaspoons	tsp	A unit of volume often used in cooking.
Cups	cup	A unit of volume equal to 8 fluid ounces.
Pints	pint	A unit of volume equal to 16 fluid ounces.
Fluid ounces	fl oz	A unit of volume used for liquid measures.

In Soulver's Region Settings you can choose whether US customary or imperial measurements are used for these volume units.

Note that a "cup" is always the US customary cup. Use "metric cup" for the cup unit commonly used in Australia, NZ and Canada (250ml).

Other

Unit Name	Unit Symbol	Definition
Bushels	bsh	A unit of volume typically used for dry goods
Acre feet	af	A volume unit, typically used for large-scale water resources, defined as the volume of one acre of surface area to a depth of

Mass

Metric

Unit Name	Unit Symbol	Definition
Metric Tons	t	A unit of mass equal to 1,000 kilograms.
Nanogram	ng	A unit of mass equal to one billionth of a gram.
Milligram	mg	A unit of mass equal to one thousandth of a gram.
Kilogram	kg	The base unit of mass in the International System of Units (SI).
Microgram	mcg	A unit of mass equal to one millionth of a gram.
Gram	g	A unit of mass equal to one thousandth of a

Imperial

Unit Name	Unit Symbol	Definition
Short Tons	ton	A unit of weight equal to 2,000 pounds (lb).
Stones	st	A unit of weight equal to 14 pounds (lb).
Pounds	lb	A unit of weight by which various items are measured, equal to 16 ounces (oz).
Ounces	oz	A unit of weight equal to 1/16th of a pound (lb

Precious Metals

Unit Name	Unit Symbol	Definition
Ounces Troy	oz t	A unit of imperial measure used for weighing precious metals, equivalent to 31.1035 grams.
Carats	ct	A unit of mass used for gemstones, equivalent to 200 milligrams or 0.2

Temperature

Unit Name	Unit Symbol	Definition
Fahrenheit	°F, ºF, F, degF, fahrenheit	A temperature scale where water freezes at 32 degrees and boils at 212 degrees.
Celsius	°C, ºC, C, degC, celcius	A temperature scale where water freezes at 0 degrees and boils at 100

Speed

Unit Name	Unit Symbol	Definition
Knots	kn	A unit of speed equal to one nautical mile per hour.
Miles per hour	mph	A unit of speed expressing the number of statute miles covered in one hour.
Kilometers per hour	km/h	A unit of speed defining the number of kilometers traveled in one hour.
Meters per second	m/s	A unit of speed describing the distance in meters traveled in one second.

Angles

Unit Name	Unit Symbol	Definition
Radians	rad	The angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Degrees	°	A unit of angle measurement equal to 1/360 of a full rotation.

Note that trigonometric functions assume radians by default.

sin (90) = 0.8939966636

sin (90 degrees) = 1

Science & Math Related Units

Frequencey

Unit Name	Unit Symbol	Definition
Nanohertz	nHz	One billionth of a hertz, or 1/1,000,000,000 Hz.
Microhertz	µHz	One millionth of a hertz, or 1/1,000,000 Hz.
Millihertz	mHz	One thousandth of a hertz, or 1/1,000 Hz.
Terahertz	THz	One trillion hertz, or 1,000,000,000,000 Hz.
Gigahertz	GHz	One billion hertz, or 1,000,000,000 Hz.
Megahertz	MHz	One million hertz, or 1,000,000 Hz.
Kilohertz	kHz	One thousand hertz, or 1,000 Hz.
Hertz	Hz	One cycle per second

Energy

Unit Name	Unit Symbol	Definition
Terawatt hours	TWh	Equal to 1 trillion watt hours or 10^12 watt hours.
Gigawatt hours	GWh	Equal to 1 billion watt hours or 10^9 watt hours.
Megawatt hours	MWh	Equal to 1 million watt hours or 10^6 watt hours.
Kilowatt hours	kWh	Equal to 1,000 watt hours or 10^3 watt hours.
Watt hours	Wh	A unit of energy equal to one watt of power for one hour.
Watt minutes	W m	Equal to 60 watt seconds.
Watt seconds	W s	Basic unit of energy, equal to 1 joule.
Kilocalories	kCal	Approx. equal to 4.184 kilojoules.
Calories	cal	Approx. equal to 4.184 joules.
Gigajoules	GJ	Equal to 1 billion joules or 10^9 joules.
Megajoules	MJ	Equal to 1 million joules or 10^6 joules.
Kilojoules	kJ	Equal to 1,000 joules or 10^3 joules.
Joules	J	The SI unit of work or energy

Power

Unit Name	Unit Symbol	Definition
Horsepower	hp	A unit of power equivalent to 746 W
Milliwatts	mW	A unit of power equivalent to 0.001 W
Terawatts	TW	A unit of power equivalent to 10¹² W
Gigawatts	GW	A unit of power equivalent to 10⁹ W
Megawatts	MW	A unit of power equivalent to 10⁶ W
Kilowatts	kW	A unit of power equivalent to 10³ W
Watts	W	The base unit of power in the

Computer Related Units

Data Storage

Units like GB, MB, kB, etc are in base 10 (1 GB = 1000 MB)

Units like GiB, MiB, KiB, etc are in base 2 (1 GiB = 1024 MiB)

See here for more information on the SI standard with regards to units of data storage.

• Bytes (B)

• Bits (bit)

• Yottabytes (YB)

• Zettabytes (ZB)

• Exabytes (EB)

• Petabytes (PB)

• Terabytes (TB)

• Gigabytes (GB)

• Megabytes (MB)

• Kilobytes (kB)

• Yottabits (Yb)

• Zettabits (Zb)

• Exabits (Eb)

• Petabits (Pb)

• Terabits (Tb)

• Gigabits (Gb)

• Megabits (Mb)

• Kilobits (kb)

• Yobibytes (YiB)

• Zebibytes (ZiB)

• Exbibytes (EiB)

• Pebibytes (PiB)

• Tebibytes (TiB)

• Gibibytes (GiB)

• Mebibytes (MiB)

• Kibibytes (KiB)

• Yobibits (Yib)

• Zebibits (Zib)

• Exbibits (Eib)

• Pebibits (Pib)

• Tebibits (Tib)

• Gibibits (Gib)

• Mebibits (Mib)

• Kibibits (Kib)

Data Transfer

• Bytes per second (Bps)

• Bits per second (bps)

• Yottabytes per second (YBps)

• Zettabytes per second (ZBps)

• Exabytes per second (EBps)

• Petabytes per second (PBps)

• Terabytes per second (TBps)

• Gigabytes per second (GBp)

• Megabytes per second (MBp)

• Kilobytes per second (KBp)

• Yottabits per second (Ybps)

• Zettabits per second (Zbps)

• Exabits per second (Ebps)

• Petabits per second (Pbp)

• Terabits per second (Tbp)

• Gigabits per second (Gbp)

• Megabits per second (Mbp)

• Kilobits per second (Kbp)

• Yobibytes per second (YiBps)

• Zebibytes per second (ZiBps)

• Exbibytes per second (EiBps)

• Pebibytes per second (PiBps)

• Tebibytes per second (TiBps)

• Gibibytes per second (GiBps)

• Mebibytes per second (MiBps)

• Kibibytes per second (KiBps)

• Yobibits per second (Yibps)

• Zebibits per second (Zibps)

• Exbibits per second (Eibps)

• Pebibits per second (Pibps)

• Tebibits per second (Tibps)

• Gibibits per second (Gibps)

• Mebibits per second (Mibps)

• Kibibits per second (Kibps)

CSS

• Pixel (px) - defined as 1⁄96 inch (0.26 mm)

• Em

• Pt

Note that CSS units are units of length, so you can convert them to and from other units of length, like inches