Units and Conversions
Explore our comprehensive unit converter calculator, offering an extensive range of measurement conversions across multiple categories. From basic length, mass, and volume to more specialized units like angles, frequency, and luminous intensity, our tool covers all your conversion needs. Whether you're working with SI units or other measurement systems, this calculator provides quick and accurate results.
Our userfriendly interface allows effortless conversion between units in categories such as surface area, liquid volume, temperature, and amount of substance. Perfect for students, scientists, engineers, and professionals, this versatile tool simplifies complex calculations in fields ranging from physics and chemistry to data storage and electrical engineering. Discover how easy it is to convert between different units of force, energy, power, and pressure with just a few clicks.
Beyond traditional measurements, our calculator also handles modern units related to electricity and magnetism, as well as digital data storage. Whether you're dealing with time conversions, electric current calculations, or need to switch between different data storage units, our allinone converter has you covered. Experience the convenience of having a wide array of unit conversions at your fingertips, saving you time and ensuring accuracy in your calculations.
Length
Measure distances and extents in different units of length.
meter, m  Meter  Basic unit of length 
dm  Decimeter  One tenth of a meter 
km  Kilometer  One thousand meters 
mm  Millimeter  One thousandth of a meter 
cm  Centimeter  One hundredth of a meter 
inch, in  Inch  1 inch = 0.0254 meters 
foot, ft  Foot  1 foot = 0.3048 meters 
yard, yd  Yard  1 yard = 0.9144 meters 
mile, mi  Mile  1 mile = 1609.34 meters 
link, li  Link  1 link = 0.201168 meters (obsolete) 
rod, rd  Rod  1 rod = 5.0292 meters (obsolete) 
chain, ch  Chain  1 chain = 20.1168 meters (obsolete) 
angstrom  Angstrom  1 angstrom = 0.0000000001 meters 
mil  Mil  1 mil = 0.0254 millimeters 
step, steps  Step  Average human step. 71 cm 
$1  3 m to cm
 
$2  7 km to m
 
$3  15 mm to cm
 
$4  2 inch to mm
 
$5  4 feet to yard

Surface Area
Measure the extent of a twodimensional surface in different units of area.
m2  Square Meter  Area of a square with sides of 1 meter 
sqin  Square Inch  Area of a square with sides of 1 inch 
sqft  Square Foot  Area of a square with sides of 1 foot 
sqyd  Square Yard  Area of a square with sides of 1 yard 
sqmi  Square Mile  Area of a square with sides of 1 mile 
sqrd  Square Rod  1 square rod = 25.2929 square meters (obsolete) 
sqch  Square Chain  1 square chain = 404.686 square meters (obsolete) 
sqmil  Square Mil  1 square mil = 6.4516 × 10^4 square millimeters 
acre  Acre  1 acre = 4046.86 square meters 
hectare  Hectare  1 hectare = 10000 square meters 
$1  2 m2 to sqft
 
$2  8 acre to m2
 
$3  6 sqin to sqft
 
$4  5 sqft to sqyd

Volume
Measure the amount of space occupied by a threedimensional object in different units of volume.
m3  Cubic Meter  Volume of a cube with sides of 1 meter 
litre, l, L, lt, liter  Liter  1 liter = 0.001 cubic meters 
cc  Cubic Centimeter  1 cubic centimeter = 0.000001 cubic meters 
cuin  Cubic Inch  1 cubic inch = 0.0000163871 cubic meters 
cuft  Cubic Foot  1 cubic foot = 0.0283168 cubic meters 
cuyd  Cubic Yard  1 cubic yard = 0.764555 cubic meters 
teaspoon  Teaspoon  1 teaspoon = 0.00492892 liters 
tablespoon  Tablespoon  1 tablespoon = 0.0147868 liters 
$1  4 m3 to litre
 
$2  12 cc to cuin
 
$3  1 cuft to cuyd
 
$4  6 teaspoon to tablespoon
 
$5  15 gallon to litre

Liquid Volume
Measure the amount of space occupied by a liquid in different units of liquid volume.
minim  Minim  1 minim ≈ 0.0616115 milliliters (obsolete) 
fluiddram, fldr  Fluid Dram  1 fluid dram = 3.69669 milliliters 
fluidounce, floz  Fluid Ounce  1 fluid ounce = 29.5735 milliliters 
gill, gi  Gill  1 gill = 118.294 milliliters 
cup, cp  Cup  1 cup = 236.588 milliliters 
pint, pt  Pint  1 pint = 473.176 milliliters 
quart, qt  Quart  1 quart = 946.353 milliliters 
gallon, gal  Gallon  1 gallon = 3.78541 liters 
beerbarrel, bbl  Beer Barrel  1 beer barrel = 117.347 liters 
oilbarrel, obl  Oil Barrel  1 oil barrel = 158.987 liters 
hogshead  Hogshead  1 hogshead = 238.481 liters 
drop, gtt  Drop  1 drop ≈ 0.05 milliliters 
$1  5 minim to teaspoon
 
$2  8 floz to cup
 
$3  3 cup to quart
 
$4  7 pint to gallon
 
$5  10 gill to litre
 
$6  20 millilitre to tablespoon

Angles
Measure angles in different units of angular measurement.
rad, radian  Radian  Angle subtended at the center of a circle by an arc equal in length to the radius 
deg, degree  Degree  1 degree = π/180 radians 
grad, gradian  Gradian  1 gradian = 9/10 degrees 
cycle  Cycle  1 cycle = 360 degrees 
arcsec, arcsecond  Arcsecond  1 arcsecond = 1/3600 degrees 
arcmin, arcminute  Arcminute  1 arcminute = 1/60 degrees 
$1  10 deg to rad
 
$2  15 grad to deg
 
$3  20 arcsec to arcmin
 
$4  25 arcmin to deg
 
$5  30 rad to deg

Frequency
Measure the frequency of events in different units of frequency.
hertz, Hz  Hertz  Number of cycles per second 
$1  40 Hz to hertz
 
$2  5 hertz to Hz
 
$3  2000 Hz to kHz

Mass
Measure the quantity of matter in different units of mass.
gram, g  Gram  Basic unit of mass 
tonne, ton  Tonne  1000 kilograms 
grain, gr  Grain  1 grain = 64.79891 milligrams 
dram, dr  Dram  1 dram = 27.34375 grams 
ounce, oz  Ounce  1 ounce = 28.34952 grams 
poundmass, lbm, lb, lbs  Pound Mass  1 pound = 0.4535924 kilograms 
hundredweight, cwt  Hundredweight  1 hundredweight = 45.35924 kilograms 
stick  Stick  Unit of mass 
stone  Stone  1 stone = 6.350293 kilograms 
$1  50 g to kg
 
$2  6 tonne to poundmass
 
$3  7 lb to oz
 
$4  10 stone to kg
 
$5  100 grain to g

Electric Current
Measure the flow of electric charge in different units of electric current.
ampere, A  Ampere  Basic unit of electric current 
$1  2 A to mA
 
$2  4 mA to A
 
$3  500 mA to ampere
 
$4  8 A to kA
 
$5  3 A to mA

Temperature
Measure the degree of hotness or coldness in different units of temperature.
kelvin, K  Kelvin  Basic unit of temperature 
celsius, degC  Celsius  1 degree Celsius = 1 Kelvin 
fahrenheit, degF  Fahrenheit  1 degree Fahrenheit = (5/9) degrees Celsius 
rankine, degR  Rankine  1 degree Rankine = 1 Kelvin 
$1  0 K to degC
 
$2  100 degC to degF
 
$3  32 degF to degC
 
$4  212 degF to K
 
$5  0 degR to degC

Amount of Substance
Measure the quantity of atoms, molecules, ions, or other specified entities in different units of amount of substance.
mole, mol  Mole  Basic unit of amount of substance 
$1  8 mol to mmol
 
$2  7 mmol to mol
 
$3  800 mol to kmol
 
$4  1 kmol to mol
 
$5  2 mol to mmol

Luminous Intensity
Measure the intensity of visible light in different units of luminous intensity.
candela, cd  Candela  Basic unit of luminous intensity 
$1  5 cd to mcd
 
$2  4 mcd to cd
 
$3  100 cd to kcd
 
$4  1 kcd to cd
 
$5  6 cd to mcd

Force
Measure the influence that causes a free body to undergo acceleration in different units of force.
newton, N  Newton  Basic unit of force 
dyne, dyn  Dyne  1 dyne = 10^5 newtons 
poundforce, lbf  Poundforce  1 poundforce = 4.44822 newtons 
kip  Kip  1 kip = 1000 poundsforce 
$1  50 N to dyne
 
$2  10 lbf to N
 
$3  20 kip to N
 
$4  8 N to poundforce
 
$5  100 dyn to N

Energy
Measure the capacity of a physical system to do work in different units of energy.
joule, J  Joule  Basic unit of energy 
erg  Erg  1 erg = 10^7 joules 
Wh  Watthour  1 watthour = 3600 joules 
BTU  British Thermal Unit  1 BTU = 1055.06 joules 
electronvolt, eV  Electronvolt  1 electronvolt = 1.60218 × 10^19 joules 
$1  1500 J to cal
 
$2  2 kcal to J
 
$3  15 Ws to J
 
$4  3 cal to kcal
 
$5  800 J to kWh

Power
Measure the rate of doing work or transferring energy in different units of power.
watt, W  Watt  Basic unit of power 
hp  Horsepower  1 horsepower = 745.7 watts 
$1  90 W to hp
 
$2  15 kW to W
 
$3  20 hp to kW
 
$4  2 W to kW
 
$5  700 W to hp

Pressure
Measure the force per unit area applied on a surface in different units of pressure.
Pa  Pascal  Basic unit of pressure 
psi  Pound per Square Inch  1 psi = 6894.76 pascals 
atm  Atmosphere  1 atmosphere = 101325 pascals 
torr  Torr  1 torr = 133.322 pascals 
bar  Bar  1 bar = 100000 pascals 
mmHg  Millimeter of Mercury  1 mmHg = 133.322 pascals 
mmH2O  Millimeter of Water  1 mmH2O = 9.80665 pascals 
cmH2O  Centimeter of Water  1 cmH2O = 98.0665 pascals 
$1  1 Pa to psi
 
$2  1 atm to Pa
 
$3  1 torr to Pa
 
$4  1 bar to Pa
 
$5  1 mmHg to Pa

Electricity and Magnetism
Measure electric charge, electric field, magnetic field, and related phenomena in different units.
ampere, A  Ampere  Basic unit of electric current 
coulomb, C  Coulomb  1 coulomb = 1 amperesecond 
volt, V  Volt  1 volt = 1 joule per coulomb 
ohm  Ohm  1 ohm = 1 volt per ampere 
farad, F  Farad  1 farad = 1 coulomb per volt 
weber, Wb  Weber  1 weber = 1 voltsecond 
tesla, T  Tesla  1 tesla = 1 weber per square meter 
henry, H  Henry  1 henry = 1 weber per ampere 
siemens, S  Siemens  1 siemens = 1 ampere per volt 
electronvolt, eV  Electronvolt  Energy gained by an electron moving through an electric potential difference of 1 volt 
$1  12 A to C/s
 
$2  5 V to J/C
 
$3  1 ohm to V/A
 
$4  1 F to C/V
 
$5  1 T to Wb/m^2

Data Storage
Measure the amount of digital information stored in different units of data storage.
bits, b  Bit  Basic unit of digital information 
bytes, B  Byte  8 bits 
$1  1 b to B
 
$2  8 b to B
 
$3  16 b to B
 
$4  1 B to b
 
$5  4 B to b

Time
Measure the progression of events in different units of time.
second, s  Second  Basic unit of time 
minute, min  Minute  1 minute = 60 seconds 
hour, hr  Hour  1 hour = 3600 seconds 
day, days  Day  1 day = 86400 seconds 
week, weeks  Week  1 week = 604800 seconds 
month, months  Month  Approximately 30.44 days 
year, years  Year  Approximately 365.25 days 
decade, decades  Decade  10 years 
century, centuries  Century  100 years 
millennium, millennia  Millennium  1000 years 
$1  60 s to min
 
$2  5 min to hour
 
$3  10 hour to day
 
$4  1 week to day
 
$5  152 weeks in years

Prefixes
The following decimal prefixes are available.
Name  Abbreviation  Value 

deca  da  1e1 
hecto  h  1e2 
kilo  k  1e3 
mega  M  1e6 
giga  G  1e9 
tera  T  1e12 
peta  P  1e15 
exa  E  1e18 
zetta  Z  1e21 
yotta  Y  1e24 
ronna  R  1e27 
quetta  Q  1e30 
deci  d  1e1 
centi  c  1e2 
milli  m  1e3 
micro  u  1e6 
nano  n  1e9 
pico  p  1e12 
femto  f  1e15 
atto  a  1e18 
zepto  z  1e21 
yocto  y  1e24 
ronto  r  1e27 
quecto  q  1e30 
The following binary prefixes are available.
They can be used with units bits
(b
) and bytes
(B
).
Name  Abbreviation  Value 

kibi  Ki  1024 
mebi  Mi  1024^2 
gibi  Gi  1024^3 
tebi  Ti  1024^4 
pebi  Pi  1024^5 
exi  Ei  1024^6 
zebi  Zi  1024^7 
yobi  Yi  1024^8 
kilo  k  1e3 
mega  M  1e6 
giga  G  1e9 
tera  T  1e12 
peta  P  1e15 
exa  E  1e18 
zetta  Z  1e21 
yotta  Y  1e24 