Some WeBWorK problems ask for answers with units. Below is a list of basic units and how they need to be abbreviated in WeBWorK answers. In some problems, youmay need to combine units (e.g, velocity might be in ft/s for feet per second).

Unit	Abbreviation
Time
Seconds	s
Minutes	min
Hours	hr
Days	day
Years	year
Milliseconds	ms
Distance
Feet	ft
Inches	in
Miles	mi
Meters	m
Centimeters	cm
Millimeters	mm
Kilometers	km
Angstroms	A
Light years	light-year
Mass
Grams	g
Kilograms	kg
Slugs	slug
Volume
Liters	L
Cubic Centimeters	cc
Milliliters	ml
Force
Newtons	N
Dynes	dyne
Pounds	lb
Tons	ton
Work/Energy
Joules	J
kilo Joule	kJ
ergs	erg
foot pounds	lbf
calories	cal
kilo calories	kcal
electron volts	eV
kilo Watt hours	kWh
Misc
Amperes	amp
Moles	mol
Degrees Centrigrade	degC
Degrees Fahrenheit	degF
Degrees Kelvin	degK
Angle degrees	deg
Angle radians	rad