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Oil and Gas Conversion Calculator

Rigzone.com has made it easier than ever to convert between hundreds of common and not-so-common oilfield measurements using our powerful yet simple-to-use online oil and gas conversion calculator. To start using the calculator now, click here.

The table below contains all the units of measurement available in the conversion calculator. If you would like to suggest additional measurements for inclusion in the calculator please send an email to info@rigzone.com with the units of measurement, abbreviation, and any known conversion factors.

Basic Conversions
Acceleration
Centimeter per Square Second cm/s2
Foot per Square Second ft/s2
Galileo gal
Grav grav
G-unit G
Inch per Square Second in/s2
Kilometer per Hour per Second kph/s
Kilometer per Square Second km/s2
Knot per Second knot/s
Meter per Square Second m/s2
Mile per Hour per Second mph/s
Mile per Square Hour mi/hr2
Mile per Square Second mi/s2
Millimeter per Square Second mm/s2
Angle
Degree deg
Grad grad
Mil mil
Minute min
Point pt
Radian rad
Second sec
Area
Acre acre
Hectare ha
Square Centimeter cm2
Square Decimeter dm2
Square Foot ft2
Square Inch in2
Square Kilometer km2
Square Meter m2
Square Mile mi2
Square Millimeter mm2
Square Yard yd2
Cost Rate
Dollars per Day $/d
Dollars per Hour $/hr
Thousand Dollars per Day 1000$/d
Decimal Number Prefix
Base Unit 0
Centi c
Deca da
Deci d
Giga G
Hecto h
Kilo k
Mega M
Micro mic
Milli m
Density
Gram per Cubic Centimeter g/cm3
Gram per Liter g/L
Kilogram per Cubic Centimeter kg/cm3
Kilogram per Cubic Meter kg/m3
Kilogram per Liter kg/L
Ounce per Cubic Foot oz/ft3
Ounce per Cubic Inch oz/in3
Pound per Cubic Foot lb/ft3
Pound per Cubic Inch lb/in3
Pound per U.S. Gallon lb/gal
Slug per Cubic Foot slug/ft3
Slug per Cubic Inch slug/in3
Specific Gravity S.G.
Water Density H2O
Distributed Force
Deka Newton per Meter daN/m
Kilogram per Meter kg/m
Kilonewton per Centimeter kN/cm
Kilopound per Inch klb/in
Newton per Meter N/m
Poundforce per Feet lbf/ft
Energy
Barrel of Oil Equivalent boe
British Thermal Units BTU
Calorie cal
Cubic Feet of Natural Gas nat gas ft3
Foot Pound ft-lb
Foot Poundal ft-poundal
GigaJoule gJ
Horsepower Hour HP-hr
Joule J
Kilocalories kcal
Kilogram-force Meter kg-m
KiloJoule kJ
KiloJoule kJ
Kilowatt Hour kW-hr
Liter Atmosphere L-atm
MegaJoules mJ
Newton Meter Nm
Therm therm
Thermie thermie
Ton of Explosive ton-exp
Tonne of Coal Equivalent tce
Tonne of Oil Equivalent toe
Watthour W-hr
Flowrate - Mass
Gram per Day g/day
Gram per Hour g/hr
Gram per Minute g/min
Gram per Second g/sec
Kilogram per Day kg/day
Kilogram per Hour kg/hr
Kilogram per Minute kg/min
Kilogram per Second kg/sec
Pound per Day lb/day
Pound per Hour lb/hr
Pound per Minute lb/min
Pound per Second lb/sec
Ton (Long) per Day ton/day
Ton (Long) per Hour ton/hr
Ton (Long) per Minute ton/min
Ton (Metric) per Day ton/day
Ton (Metric) per Hour ton/hr
Ton (Metric) per Minute ton/min
Ton (Short) per Day ton/day
Ton (Short) per Hour ton/hr
Ton (Short) per Minute ton/min
Flowrate - Volume
Barrels per Day BPD
Barrels per Hour BPH
Barrels per Minute BPM
Barrels per Second BPS
Cubic Feet per Day ft3/day
Cubic Feet per Hour ft3/hr
Cubic Feet per Minute ft3/min
Cubic Feet per Second ft3/sec
Cubic Meter per Minute m3/min
Cubic Meters per Day m3/day
Cubic Meters per Hour m3/hr
Cubic Meters per Second m3/sec
Gallons per Day gal/day
Gallons per Hour gph
Gallons per Minute gpm
Gallons per Second gal/sec
Frequency
Gigahertz gHz
Hertz Hz
Kilohertz kHz
Megahertz mHz
Radian/hour rad/hr
Radian/minute rad/min
Radian/second rad/sec
Revolutions/hour RPH
Revolutions/minute RPM
Revolutions/second RPS
Length
Centimeter cm
Decimeter dm
Dekameter dam
Fathom fath
Feet ft
Hectometer hm
Inch in
Kilometer km
League leag
Meter m
Miles mi
Millimeter mm
Nautical League nleag
Nautical Mile nm
Yard yd
Momentum
Gram-Centimeter per Second g.cm/sec
Kilogram-Meter per Hour kg.m/hr
Kilogram-Meter per Second kg.m/sec
Pound-Foot per Hour lb.ft/hr
Pound-Foot per Second lb.ft/sec
Pound-Inch per Second lb.in/sec
Pressure
Atmosphere atm
Bar bar
Centimeter of Mercury cm Hg
Centimeter of Water cm H2O
Dyne per Square Centimeter dyne/cm2
Foot of Air (0 Celcius) ft air
Foot of Mercury (0 Celcius) ft Hg
Foot of Water (4 Celcius) ft H2O
Inch of Air (0 Celcius) in air
Inch of Mercury (0 Celcius) in Hg
Inch of Water (4 Celcius) in H2O
Kilogram-force per Square Centimeter kg/cm2
Kilogram-force per Square Meter kg/m2
KiloPascal kPa
Mega Pascal MPa
Meter of Mercury m Hg
Meter of Water m H2O
Millibar mbar
Millimeter of Mercury (0 Celcius) mmHg
Millimeter of Water (4 Celcius) mmH2O
Newton per Square Centimeter N/cm2
Newton per Square Meter N/m2
Newton per Square Millimeter N/mm2
Pascal Pa
Pound-force per Square Foot psf
Pound-force per Square Inch psi
Torr torr
Time
Day day
Decade decade
Hour hr
Minute min
Second sec
Year yr
Torque
Foot Ounce-force ft-oz
Foot Pound-force ft-lb
Inch Ounce-force in-oz
Inch Pound-force in-lb
Kilogram-force Centimeter kg-cm
Kilogram-force Meter kg-m
KiloNewton Meter kN-m
Newton Centimeter N-cm
Newton Meter N-m
Volume
Barrel (Petroleum) bbl
Bucket bucket
Bushel (U.S.) bu
Cubic Centimeter cm3
Cubic Foot ft3
Cubic Inch in3
Cubic Meter m3
Cubic Millimeter mm3
Cubic Yard yd3
Cup C
Dram dr
Drum drum
Fluid Ounce fl oz
Gallon gal
Gill (U.S.) gi
Imperial (UK) Gallon UK gal
Kiloliter kL
Liter L
Milliliter ml
Pint Pt
Quart - Dry qt
Quart - Liquid qt
Tablespoon tbsp
Teaspoon tsp
Tonne of Oil Equivalent toe
Weight
Carat ct
Centigram cg
Decigram dg
Dram dram
Grain gr
Gram g
Kilogram kg
Kip kip
Long Ton lt
Metric Ton mt
Milligram mg
Ounce oz
Pound lb
Slug slug
Ton ton
Tonne mt
Troy Ounce toz
Weight per Unit Length
Kilogram per Centimeter kg/cm
Kilogram per Meter kg/m
Pound per Foot lb/ft
Pound per Inch lb/in

Drilling Conversions
Axial Damping Coefficient
Newton Second per Meter N-sec/m
Pound Second per Inch lb-s/in
Axial Spring Constant
Newton per Meter N/m
Pound per Inch lb/in
Dogleg
deg/100ft deg/100ft
deg/30m deg/30m
Drilling Rate
Feet per Day ft/d
Feet per Hour ft/hr
Feet per Minute ft/min
Feet per Second ft/s
Meter per Day m/d
Meter per Hour m/hr
Meter per Minute m/min
Meter per Second m/s
Footage Cost
Dollar per Feet $/ft
Dollar per Meter $/m
Thousand Dollars per Feet $1000/ft
Thousand Dollars per Meter $1000/m
Mud Weight
Gram per Cubic Centimeter g/cm3
Grams per Liter g/L
Kilogram per Cubic Meter kg/m3
Kilogram per Liter kg/L
KiloPascal per Meter kPa/m
Pound per Cubic Feet lb/ft3
Pounds per Barrel lb/bbl
Pounds per Gallon lb/gal
Pounds per Square Inch per Feet psi/ft
Pounds per Square Inch per hundred Feet psi/100ft
Specific Gravity S.G
Pressure Gradient
KiloPascal kPa
Mega Pascal per Minute MPa/m
Pascal per Minute Pa/m
Pounds per Gallon ppg
Pounds per Square Inch per Feet psi/ft
Pumping and Flow Rate
Barrel per Hour bbl/hr
Barrel per Minute bbl/min
Cubic Feet per Minute ft3/min
Cubic Meter per Hour m3/hr
Cubic Meter per Minute m3/min
Gallon per Hour gal/hr
Gallons per Minute gpm
Liter per Hour L/hr
Liter per Minute L/min
Torsional Damping Coefficient
Newton Meter Second per Radian N-m-s/rad
Pound Inch Second per Radian lb-in-s/rad
Torsional Spring Constant
Newton Meter per Radian N-m/rad
Pound Inch per Radian lb-in/rad
Yield Slurry
Cubic Feet per Sack ft3/sk
Cubic Meters per Sack m3/sk
Gallons per Sack gal/sk

Fluid Conversions
Crude Oil
Barrel (Petroleum) bbl
Barrel of Oil Equivalent BOE
Gallon gal
Kiloliter kL
Million Barrels of Oil Equivalent MMBOE
Thousand Barrels of Oil Equivalent KBOE
Tonne of Oil Equivalent toe
Fluid Consistency
dyne-s^n/cm2 dyne-s^n/cm2
eq.cp eq.cp
lbf-s^n/100ft2 lbf-s^n/100ft2
lbf-s^n/ft2 lbf-s^n/ft2
Pa-s^n Pa-s^n
Fluid Velocity
Feet per Day ft/d
Feet per Hour ft/hr
Feet per Minute ft/min
Feet per Second ft/s
Meter per Day m/d
Meter per Hour m/hr
Meter per Minute m/min
Meter per Second m/s
Fluid Yield Point
Dyne per Square Centimeter dyne/cm2
KiloPascal kPa
Mega Pascal MPa
Pound Force per Hundred Square Feet lbf/100ft2
Liquid Production Rate
Barrels per Day BPD
Barrels per Hour BPH
Barrels per Minute BPM
Barrels per Second BPS
Cubic Feet per Day ft3/day
Cubic Feet per Hour ft3/hr
Cubic Feet per Minute ft3/min
Cubic Feet per Second ft3/sec
Cubic Meters per Day m3/day
Cubic Meters per Hour m3/hr
Cubic Meters per Minute m3/min
Gallons per Day gal/day
Gallons per Hour gph
Gallons per Minute gpm
Gallons per Second gal/sec
UK Gallons per Day UK gal/day
UK Gallons per Hour UK gal/hr
UK Gallons per Minute UK gal/min
UK Gallons per Second UK gal/sec
Viscosity
Centipoise cp
Gram per Centimeter Second g/(cm.s)
Kilogram per Meter Hour kg/(m.hr)
Kilogram per Meter Second kg/(m.s)
Kilogram-force Second per Square Meter kg-f.s/m2
KiloPascal Second kPa-s
Newton Second per Square Meter N.s/m2
Pascal Second Pa-s
Poise dyne-s/cm2
Pound force-Second per Square Foot lbf-s/ft2
Pound force-Second per Square Inch lbf-s/in2
Pound per Foot Hour lb/(ft.hr)
Pound per Foot Second lb/(ft.s)
Poundal Second per Square Foot poundal.s/ft2
Reyn reyn

Force & Power Conversions
Electric Current
Ampere amp
Biot biot
Centiampere camp
Gilbert gilbert
Kiloampere kamp
Milliampere mamp
Volt/ohm v/ohm
Watt/volt w/v
Force
DekaNewton daN
Dyne dyn
HectoNewton hN
Joule/meter J/m
Kilo Pound Force klbf
Kilogram-force kg
KiloNewton kN
Kip kip
Meganewton MN
Millinewton mN
Newton N
Pound Force lbf
Poundal pdl
Ton-force (long) ton
Ton-force (short) ton
Torque T
Fracture Conductivity
Darcy Inch darcy-in
mu.m2-m mu.m2-m
Fuel Volume
Barrel bbl
Gallon gal
Liter L
Milliliter mL
Heat Capacity
British Thermal Units per Pound - Degree Farenheit Btu/lb-F
Joule per Kilogram Celsius J/kg-C
Heat Conductivity
British Thermal Units per Hour -Feet -Degree Farenheit Btu/hr-ft-F
Watt per Meter Celsius W/m-C
Power
British Thermal Unit per Second BTU/sec
British Thermal Units per Minute BTU/min
Calorie per Minute cal/min
Calorie per Second cal/sec
Foot Pound-force per Minute ft-lb/min
Foot Pound-force Per Second ft-lb/sec
Horsepower HP
Horsepower - Electric hp
Horsepower - Metric hp
Joule per Second J/s
Kilocalorie per Minute kcal/min
Kilocalorie per Second kcal/s
Kilogram-force Meter per Minute kg-m/min
Kilogram-force Meter per Second kg-m/s
Kilowatt kW
Megawatt MW
Newton Meter per Second N-m/s
Ton of Refrigeration ton ref
Volt Ampere var
Watt W
Power/Arew
Horse Power per Square Inch HP/in2
Kilowatt per Square Millimeter kW/mm2
Velocity
Feet per Day ft/d
Feet per Hour ft/hr
Feet per Minute ft/min
Feet per Second ft/s
Kilometers per Hour kph
Kilometers per Minute k/min
Kilometers per Second k/sec
Knot knot
Mach mach
Meter per Day m/d
Meter per Hour m/hr
Meter per Minute m/min
Meter per Second m/s
Miles per Hour mph
Miles per Minute mi/min
Miles per Second mi/sec
Velocity - Angular
Degrees per Hour deg/hr
Degrees per Minute deg/min
Degrees per Second deg/sec
Radians per Hour rad/hr
Radians per Minute rad/min
Radians per Second rad/sec
Revolutions per Hour RPH
Revolutions per Minute RPM
Revolutions per Second RPS

Gas Conversions
Gas Injection Rate
Cubic Meter per Minute m3/min
Standard Cubic Feet per Minute scfm
Gas Production Index
Cubic Meter per Day -Mega Pacal m3/d-MPa
Cubic Meter per Day-KiloPascal m3/d-kPa
Cubic Meter per Hour -KiloPascal m3/hr-kPa
Million Standard Cubic Feet per Day per Pounds per Square Inch MMSCFD/psi
MSCF/hr-psi MSCF/hr-psi
MSCFD/psi MSCFD/psi
SCF/hr-psi SCF/hr-psi
Standard Cubic Feet per Day per Pounds per Square Inch SCFD/psi
Gas Production Rate
Cubic Meter per Minute m3/min
MM MM
MMM3/d MMM3/d
Standard Cubic Feet per Minute scfm
Gas Volume
Barrel of Oil Equivalent BOE
Cubic Meter m3
Million Standard Cubic Feet MMscf
Million Standard Cubic Meters MMsm3
Thousand Barrels of Oil Equivalent KBOE
Thousand Cubic Meter dam3
Thousand Standard Cubic Feet Mscf
Ton Liquefied Natural Gas ton LNG
Liquefied Natural Gas
Barrel of Oil Equivalent BOE
Million Barrels of Oil Equivalent MMBOE
Million Cubic Feet MMCF
Thousand Barrels of Oil Equivalent KBOE
Ton of LNG ton lng
Specific Volume
Barrels per Ton (U.K.) bbl/UK ton
Barrels per Ton (U.S.) bbl/US ton
Cubic Foot per Pound ft3/lb
Cubic Inch per Pound in3/lb
Cubic Meter per Kilogram m3/kg
Gallons (U.K.) per Pound UK gal/lb
Gallons (U.S.) per Pound US gal/lb
Liter per Gram l/g
Liter per Kilogram l/kg
Volume
Barrel (Petroleum) bbl
Cubic Centimeter cm3
Cubic Decimeter dm3
Cubic Foot ft3
Cubic Inch in3
Cubic Meter m3
Cubic Yard yd3
Fluid Ounce fl oz
Gallon gal
Liter L
Quart - Liquid qt

Production Conversions
Nozzle Size
Millimeter mm
One Eighth per Inch 1/8 in
One Sixteenth per Inch 1/16 in
One Sixty-fourth per Inch 1/64 in
One Thirty-second per Inch 1/32in
Nozzle Speed
Feet per Second ft/s
Meter per Second m/s
Oil Production Index
Barrel per Day-Pounds per Square Inch bbl/d-psi
Barrel per Hour - Pounds per Square Inch bbl/hr-psi
Barrel per Minute-Pounds per Square Inch bbl/min-psi
Cubic Feet per Day-Pounds per Square Inch ft3/d-psi
Cubic Meter per Day -KiloPascal m3/d-kPa
Cubic Meter per Day -Mega Pascal m3/d-MPa
Cubic Meter per Hour-KiloPascal m3/hr-kPa
Gallons per Day-Pounds per Square Inch gal/d-psi
Liter per Hour-KiloPascal L/hr-kPa
Permeability
Darcy darcy
Milli Darcy md
Pipe Capacity
Barrel per Feet bbl/ft
Cubic Meter per Meter m3/m
Production Rate
Cubic Meter per Day m3/d
STB/d STB/d
Rotation
Radian per Second rad/sec
Rotation per Minute rpm
Section Modulus
Cubic Centimeter cm3
Cubic Inch in3
Section Modulus - Moment of Section
Centimeter to the power 4 cm4
Foot to the power 4 ft4
Inch to the power 4 in4
Meter to Power 4 m4
Stress Elastic Modulus
Kilogram per Square Centimeter kg/cm2
KiloPascal kPa
Mega Pascal MPa
Pascal Pa
Pounds per Square Inch psi
Stroke Rate
Stroke per Hour stk/hr
Stroke per Minute stk/min
Stroke Volume
Barrel per Stroke bbl/stk
Cubic Meter per Stroke m3/stk
Gallon per stroke gal/stk
Liter per Stroke L/stk