Physics
Math
College Life
Biology
History
Unit Converter
Information about chemistry and the elements! Get answers to assignments and homework!
Not Logged In
Login
Register
Periodic Table
Chemistry Tools
Molar Mass Calculator
Empirical Formula Calculator
Chemical Equation Balancer
Ideal Gas Calculator
Equation Solver
Chemistry Definitions
Chemistry Tutorials
Reference
Metric Prefixes
Future Elements
Chemical Equations
Chemical Formulas
Question Bank
Ask a Question
Links & Resources
Get our Android App!
LENGTH
angstrom
astronomical unit (au)
centimeter (cm)
chain
decimeter (dm)
fathom
foot (ft)
furlong
inch (in)
kilometer (km)
league
light year
meter (m)
mile (mi)
millimeter (mm)
micron (µ)
nanometer (nm)
nautical mile
parsec
rod
yard (yd)
=
angstrom
astronomical unit (au)
centimeter (cm)
chain
decimeter (dm)
fathom
foot (ft)
furlong
inch (in)
kilometer (km)
league
light year
meter (m)
mile (mi)
millimeter (mm)
micron (µ)
nanometer (nm)
nautical mile
parsec
rod
yard (yd)
MASS
atomic mass unit (amu)
carat (metric)
cental
centigram
dekagram
dram (dr)
grain (gr)
gram (g)
hundredweight (UK)
kilogram (kg)
microgram (µg)
milligram (mg)
newton (Earth)
ounce (oz)
pennyweight (dwt)
pound (lb)
quarter
stone
ton (UK, long)
ton (US, short)
tonne (t)
troy ounce
=
atomic mass unit (amu)
carat (metric)
cental
centigram
dekagram
dram (dr)
grain (gr)
gram (g)
hundredweight (UK)
kilogram (kg)
microgram (µg)
milligram (mg)
newton (Earth)
ounce (oz)
pennyweight (dwt)
pound (lb)
quarter
stone
ton (UK, long)
ton (US, short)
tonne (t)
troy ounce
VOLUME
barrel (petroleum) (bbl, bo)
bushel (UK) (bu)
bushel (US dry) (bu)
centiliter (cl)
cubic centimeter (cc, cm
3
)
cubic decimeter (dm
3
)
cubic foot (ft
3
, cu ft)
cubic inch (in
3
, cu in)
cubic meter (m
3
)
cubic millimeter (mm
3
)
cubic yard (yd
3
)
dekaliter (dal)
fluid dram (fl dr)
fluid ounce (fl oz)
fluid ounce (UK) (fl oz)
gallon (liquid) (gal)
gallon (UK) (gal)
gill (gi)
hectoliter (hl)
liter (l)
microliter (µl)
milliliter (ml)
minim (min)
peck (US dry) (pk)
pint (liquid) (pt)
pint (UK) (pt)
pint (US dry) (pt)
quart (liquid) (qt)
quart (UK) (qt)
quart (US dry) (qt)
=
barrel (petroleum) (bbl, bo)
bushel (UK) (bu)
bushel (US dry) (bu)
centiliter (cl)
cubic centimeter (cc, cm
3
)
cubic decimeter (dm
3
)
cubic foot (ft
3
, cu ft)
cubic inch (in
3
, cu in)
cubic meter (m
3
)
cubic millimeter (mm
3
)
cubic yard (yd
3
)
dekaliter (dal)
fluid dram (fl dr)
fluid ounce (fl oz)
fluid ounce (UK) (fl oz)
gallon (liquid) (gal)
gallon (UK) (gal)
gill (gi)
hectoliter (hl)
liter (l)
microliter (µl)
milliliter (ml)
minim (min)
peck (US dry) (pk)
pint (liquid) (pt)
pint (UK) (pt)
pint (US dry) (pt)
quart (liquid) (qt)
quart (UK) (qt)
quart (US dry) (qt)
AREA
acre
are (a)
barn (b)
hectare (ha)
homestead
rood
square centimeter (cm
2
)
square foot (ft
2
)
square inch (in
2
)
square kilometer (km
2
)
square meter (m
2
)
square mile
square millimeter (mm
2
)
square rod
square yard (yd
2
)
township (twp)
=
acre
are (a)
barn (b)
hectare (ha)
homestead
rood
square centimeter (cm
2
)
square foot (ft
2
)
square inch (in
2
)
square kilometer (km
2
)
square meter (m
2
)
square mile
square millimeter (mm
2
)
square rod
square yard (yd
2
)
township (twp)
TEMPERATURE
Celsius
Kelvin
Fahrenheit
Rankine
Réaumur
Newton
Rømer
Delisle
=
Celsius
Kelvin
Fahrenheit
Rankine
Réaumur
Newton
Rømer
Delisle
PRESSURE
atmosphere (atm)
bar (b)
hectopascal (hPa)
kilogram per sq. cm (kgf/cm
2
)
kilogram per sq. meter (kgf/m
2
)
kilopascal (kPa)
millibar
millimeter of mercury (mmHg)
pascal (Pa)
pounds per square foot (psf)
pounds per square inch (psi)
torr (Torr)
=
atmosphere (atm)
bar (b)
hectopascal (hPa)
kilogram per sq. cm (kgf/cm
2
)
kilogram per sq. meter (kgf/m
2
)
kilopascal (kPa)
millibar
millimeter of mercury (mmHg)
pascal (Pa)
pounds per square foot (psf)
pounds per square inch (psi)
torr (Torr)
ENERGY
BTU
calorie (cal)
electronvolt (eV)
erg
foot-pound
gigajoule (GJ)
joule (J)
kilocalorie (kcal)
kilojoule (kJ)
kilowatt hour (kW·h)
megajoule (MJ)
nutrition Calorie (Cal)
ton of TNT (tn)
watt hour (W·h)
=
BTU
calorie (cal)
electronvolt (eV)
erg
foot-pound
gigajoule (GJ)
joule (J)
kilocalorie (kcal)
kilojoule (kJ)
kilowatt hour (kW·h)
megajoule (MJ)
nutrition Calorie (Cal)
ton of TNT (tn)
watt hour (W·h)
SPEED
centimeter / second (cm/sec)
foot / second (ft/sec)
feet / minute (ft/min)
kilometer / hour (km/h)
kilometer / second (km/sec)
knot (kn)
mach (at std. atm.) (M)
meter / minute (m/min)
meter / second (m/sec)
mile / hour (mph)
speed of light
speed of sound (at std. atm.)
yard / second
=
centimeter / second (cm/sec)
foot / second (ft/sec)
feet / minute (ft/min)
kilometer / hour (km/h)
kilometer / second (km/sec)
knot (kn)
mach (at std. atm.) (M)
meter / minute (m/min)
meter / second (m/sec)
mile / hour (mph)
speed of light
speed of sound (at std. atm.)
yard / second
POWER
BTU/hour
BTU/second
calories per second
erg per second
foot pound per second (ft·lbf/s)
gigawatt (GW)
horsepower (hp)
kilocalorie (Calorie) per second
kilowatt (kW)
megawatt (MW)
milliwatt (mW)
watt (joules/sec) (W)
=
BTU/hour
BTU/second
calories per second
erg per second
foot pound per second (ft·lbf/s)
gigawatt (GW)
horsepower (hp)
kilocalorie (Calorie) per second
kilowatt (kW)
megawatt (MW)
milliwatt (mW)
watt (joules/sec) (W)
FREQUENCY
Hertz (Hz)
Beats / Minute
=
Hertz (Hz)
Beats / Minute