Use this calculator to determine the power in a direct current (DC) electrical circuit with a specified voltage and resistance P=V²/R
Online Measurement Converters & Calculators
Web-based tools to help you simplify complex measurement conversions and calculations.
Voltage & Power to DC Electrical Resistance Calculator
Use this calculator to determine the resistance of a direct current (DC) electrical circuit with a specified voltage and power R=V²/P
Power & Electrical Resistance to DC Voltage Calculator
Use this calculator to determine the voltage generated by a direct current (DC) electrical circuit for a specified power and resistance V=√(PR)
Power & Electrical Resistance to DC Current Calculator
Use this calculator to determine the current generated by a direct current (DC) electrical circuit for a specified power and resistance I=√(P/R)
Power & Current to DC Electrical Resistance Calculator
Use this calculator to determine the resistance of a direct current (DC) electrical circuit with a specified power and current R=P/I²
Current & Electrical Resistance to DC Power Calculator
Use this calculator to determine the power in a direct current (DC) electrical circuit with a specified current and resistance P=I²R
Voltage & Current to DC Electrical Resistance Calculator
Use this calculator to determine the electrical resistance of a direct current (DC) electrical circuit with a specified voltage and current R=V/I
Current & Electrical Resistance to DC Voltage Calculator
Use this calculator to determine the voltage in a direct current (DC) electrical circuit with a specified current and resistance V=IR
Voltage & Electrical Resistance to DC Current Calculator
Use this calculator to determine the current in a direct current (DC) electrical circuit with a specified voltage and resistance I=V/R
Power & Voltage to DC Current Calculator
Use this calculator to determine the current generated by a direct current (DC) electrical circuit for a specified power and voltage I=P/V
Power & Current to DC Voltage Calculator
Use this calculator to determine the voltage applied to a direct current (DC) electrical circuit with a specified power and current V=P/I
Voltage & Current to DC Power Calculator
Use this calculator to determine the power generated by a direct current (DC) electrical circuit for a specified voltage and current P=VI
Time Delay to Distance Calculator for Electromagnetic Waves in a Vacuum
Calculate how far away the receiver is from an electromagnetic wave emission source, by entering the time it takes it to travel in a vacuum between the two locations d=t·c₀
Distance to Time Delay Calculator for Electromagnetic Waves in a Vacuum
Calculate the time it takes for an electromagnetic wave to travel in a vacuum by entering the distance to the emission source t=d/c₀
Piston Cylinder Force and Pressure to Diameter Calculator
This tool will calculate the theoretical bore diameter of a piston cylinder assembly by entering values for the piston force and the pressure within the cylinder ø=√(4F/(πP))
Photon Energy to Wavelength Calculator for Electromagnetic Waves in a Vacuum
Calculate the wavelength of an electromagnetic wave in a vacuum by entering a value for the corresponding energy per photon for the em wave λ=hc₀/E
Wavelength to Photon Energy Calculator for Electromagnetic Waves in a Vacuum
Calculate the energy per photon of an electromagnetic wave by entering a value for the corresponding wavelength E=hc₀/λ
Frequency to Photon Energy Calculator for Electromagnetic Waves
Calculate the energy per photon of an electromagnetic wave in by entering a value for the corresponding em wave frequency E=hf
Photon Energy to Frequency Calculator for Electromagnetic Waves
Calculate the frequency of an electromagnetic wave by entering a value for the corresponding energy per photon for the em wave f=E/h
Frequency to Wavelength Calculator for Electromagnetic Waves in a Vacuum
Calculate the wavelength of an electromagnetic wave in a vacuum by entering a value for the corresponding frequency λ=c₀/f
Wavelength to Frequency Calculator for Electromagnetic Waves in a Vacuum
Calculate the frequency of an electromagnetic wave in a vacuum by entering a value for the corresponding wavelength f=c₀/λ
Power Converter
This power units conversion tool allows you to convert power values to the equivalent power in other measurement units.
Diameter to Radius of Circle Calculator
This tool will calculate the radius of a circle from the diameter, and will convert different measurement units for diameter and radius r=ø/2
Radius to Diameter of Circle Calculator
This tool will calculate the diameter of a circle from the radius, and will convert different measurement units for radius and diameter ø=2r
Radius to Area of Circle Calculator
This tool will calculate the area of a circle from the radius, and will convert different measurement units for radius and area A=πr²
Area to Radius of Circle Calculator
This tool will calculate the radius of a circle from the area, and will convert different measurement units for area and radius r=√(A/π)
Radius to Volume of Sphere Calculator
This tool will calculate the volume of a sphere from the radius, and will convert different measurement units for radius and volume V=⁴/₃πr³
Volume to Radius of Sphere Calculator
This tool will calculate the radius of a sphere from the volume, and will convert different measurement units for volume and radius r=∛(¾V/π)
Radius to Circumference of Circle Calculator
This tool will calculate the circumference of a circle from the radius, and will convert different measurement units for radius and circumference C=2πr
Circumference to Radius of Circle Calculator
This tool will calculate the radius of a circle from the circumference, and will convert different measurement units for circumference and radius r=C/2π
Radius to Surface Area of Sphere Calculator
This tool will calculate the surface area of a sphere from the radius, and will convert different measurement units for radius and surface area A=4πr²
Surface Area to Radius of Sphere Calculator
This tool will calculate the radius of a sphere from the surface area, and will convert different measurement units for surface area and radius r=√(A/4π)
Surface Area to Diameter of Sphere Calculator
This tool will calculate the diameter of a sphere from the surface area, and will convert different measurement units for surface area and diameter ø=√(A/π)
Diameter to Surface Area of Sphere Calculator
This tool will calculate the surface area of a sphere from the diameter, and will convert different measurement units for diameter and surface area A=πø²
Circumference to Diameter of Circle Calculator
This tool will calculate the diameter of a circle from the circumference, and will convert different measurement units for circumference and diameter ø=C/π
Diameter to Circumference of Circle Calculator
This tool will calculate the circumference of a circle from the diameter, and will convert different measurement units for diameter and circumference C=πø
Volume to Diameter of Sphere Calculator
This tool will calculate the diameter of a sphere from the volume, and will convert different measurement units for volume and diameter ø=∛(6V/π)
Diameter to Volume of Sphere Calculator
This tool will calculate the volume of a sphere from the diameter, and will convert different measurement units for diameter and volume V=πø³/6
Total Distance & Electric Vehicle Consumption to Estimated Total Battery Energy Usage Calculator
This battery energy usage calculator will take the total distance you want to travel and the consumption for the battery powered electric vehicle (EV, BEV) to be used, and estimate the battery energy required to complete the journey.
Battery Energy & Electric Vehicle Consumption to Distance Range Calculator
This distance range calculator will take the total amount of battery energy available and the consumption for the battery powered electric vehicle (EV, BEV) to be used, and will estimate how far it will be possible to travel.
Battery Energy Used & Distance Travelled to Electric Vehicle Consumption Calculator
This electric vehicle consumption calculator will take the battery electrical energy consumed and the distance travelled by a battery powered electric vehicle (EV, BEV), and determine the average fuel consumption performance for that journey.
Total Distance & Electric Vehicle Economy to Estimated Total Battery Energy Usage Calculator
This battery energy usage calculator will take the total distance you want to travel and the economy for the battery powered electric vehicle (EV, BEV) to be used, and estimate the battery energy required to complete the journey.
Battery Energy & Electric Vehicle Economy to Distance Range Calculator
This distance range calculator will take the total amount of battery energy available and the economy for the battery powered electric vehicle (EV, BEV) to be used, and will estimate how far it will be possible to travel.
Distance Travelled & Battery Energy Used to Electric Vehicle Economy Calculator
This fuel economy calculator will take the distance travelled and the battery electrical energy consumed by a battery powered electric vehicle (EV), and determine the average fuel economy performance for that journey.
Total Fuel Volume & Motor Vehicle Fuel Consumption to Distance Range Calculator
This distance range calculator will take the total amount of fuel and the fuel consumption for the petrol, gasoline or diesel engine powered motor vehicle to be used, and will estimate how far it will be possible to travel, d=V/FC
Total Distance & Motor Vehicle Fuel Consumption to Estimated Total Fuel Required Calculator
This fuel usage calculator will take the total distance you want to travel and the fuel consumption for the petrol, gasoline or diesel engine powered motor vehicle to be used, and estimate the amount of fuel required to complete the journey, V=d·FC
Fuel Volume & Motor Vehicle Fuel Economy to Distance Range Calculator
This distance range calculator will take the total amount of fuel and the fuel economy for the petrol, gasoline or diesel engine powered motor vehicle to be used, and will estimate how far it will be possible to travel, d=V·FE
Total Distance & Motor Vehicle Fuel Economy to Estimated Total Fuel Required Calculator
This fuel usage calculator will take the total distance you want to travel and the fuel economy for the petrol, gasoline or diesel engine powered motor vehicle to be used, and estimate the amount of fuel required to complete the journey V=d/FE
Fuel Volume Used & Distance Travelled to Motor Vehicle Fuel Consumption Calculator
This fuel consumption calculator will take the quantity of liquid fuel used and the distance travelled by a petrol, gasoline or diesel engine powered motor vehicle, and determine the average fuel consumption performance for that journey, FC=V/d
Force & Pressure to Area Calculator
Use this calculator to determine the area of a contact surface which when subjected to a defined applied force results in generating the selected pressure A=F/P
Volume & Length to Diameter of Cylinder Calculator
This online tool will calculate the diameter of a cylindrical shaped object from the required volume capacity and length ø =2√(V/Lπ)
Volume & Diameter to Length of Cylinder Calculator
This online tool will calculate the length of a cylindrical shaped object from the required volume capacity and diameter =4V/πø²
Single Unit Weight to Stones and Pounds (st lb) Converter
This tool will allow you to enter a singular weight measured in any units, and convert it to the equivalent weight in stones and pounds (lb oz).
Stones and Pounds (st lb) to Single Unit Weight Converter
This tool will allow you to enter a weight measured in stone (st) and pound (lb) divisions and convert it to the an equivalent singular weight in other units.
Single Unit Weight to Pounds and Ounces (lb oz) Converter
This tool will allow you to enter a weight measured in grams (g), kilograms (kg), stones (st) plus many other units, and convert it to the equivalent weight in pounds and ounces (lb oz).
Weight Converter
This conversion tool will convert a measurement of weight from one unit to another. Use this tool to convert grams, ounces, pounds, kilograms, stones and tons.
Pounds and Ounces (lb oz) to Single Unit Weight Converter
This tool will allow you to enter a weight measured in pound (lb) and ounce (oz) divisions and convert it to the equivalent weight in grams (g), kilograms (kg), stones (st) and many other units.
Single Unit Height to Feet and Inches (ft in, ′ ″) Converter
This tool will allow you to enter a height measured in millimetres (mm), centimetres (cm), yards (yd), metres (m) plus many other units, and convert it to the equivalent height in feet (ft, ′) and inches (in, ″).
Single Unit Width to Feet and Inches (ft in, ′ ″) Converter
This tool will allow you to enter a width measured in millimetres (mm), centimetres (cm), yards (yd), metres (m) plus many other units, and convert it to the equivalent width in feet (ft, ′) and inches (in, ″).
Single Unit Length to Feet and Inches (ft in, ′ ″) Converter
This tool will allow you to enter a length measured in millimetres (mm), centimetres (cm), yards (yd), metres (m) plus many other units, and convert it to the equivalent length in feet (ft, ′) and inches (in, ″).
Feet and Inches (ft in, ′ ″) to Single Unit Width Converter
This tool will allow you to enter a width measured in foot (ft, ′) and inch (in, ″) divisions and convert it to the equivalent width in millimetres (mm), centimetres (cm), yards (yd), metres (m) and many other units.
Feet and Inches (ft in, ′ ″) to Single Unit Height Converter
This tool will allow you to enter a height measured in foot (ft, ′) and inch (in, ″) divisions and convert it to the equivalent height in millimetres (mm), centimetres (cm), yards (yd), metres (m) and many other units.
Feet and Inches (ft in, ′ ″) to Single Unit Length Converter
This tool will allow you to enter a length measured in foot (ft, ′) and inch (in, ″) divisions and convert it to the equivalent length in millimetres (mm), centimetres (cm), yards (yd), metres (m) and many other units.
Energy Converter
This energy units conversion tool allows you to convert energy values to the equivalent energy in other measurement units.
Tank Height – Tank Level Depth to Tank Level Height Calculator
This tool will calculate the height of contents in a tank by subtracting the depth to tank contents from the well height you enter, and convert any combination of units for each depth and height value.
Tank Height – Tank Level Height to Tank Level Depth Calculator
This tool will calculate the depth to tank contents level by subtracting the height of the tank contents level from the tank height you enter and convert any combination of units for each depth height value.
Well Depth – Water Level Depth to Water Level Height Calculator
This tool will calculate the depth to water by subtracting the height of the water level from the well depth reading you enter and convert any combination of depth units for each depth and height value.
Well Depth – Water Level Height to Water Level Depth Calculator
This tool will calculate the depth to water by subtracting the height of the water level from the well depth you enter and convert any combination of depth units for each depth and height value.
Area to Length or Width Calculator
This online tool will calculate the length or width of a rectangular shaped surface from the area, and one other known dimension of length, L₂=A/L₁
Volume to Length, Width or Height Calculator
This online tool will calculate the length, width or height of a rectangular shaped box from the volume, and two other known dimensions of length, L₃=V/L₁L₂
Area Density Converter
This conversion tool will convert the linear mass density or mass per unit length of an item from one set of measurement units to another and display a related conversion scale for each individual conversion selected.
Linear Mass Density Converter
This conversion tool will convert the linear mass density or mass per unit length of an item from one set of measurement units to another and display a related conversion scale for each individual conversion selected.
Mass and Length x Width to Area Density Calculator
This calculator is used to determine the area density from the total measured mass and area of an item, ρₐ=m/LW
Length x Width and Area Density to Total Mass Calculator
This calculator is used to determine the total mass of an item from the measured length and width with a specified area density, m=LWρₐ
Mass and Area Total to Area Density Calculator
This calculator is used to determine the area density from the total measured mass and area of an item, ρₐ=m/A
Mass Total and Area Density to Total Area Calculator
This calculator is used to determine the total area of an item from the total mass measured with a specified area density, A=m/ρₐ
Area Total and Area Density to Total Mass Calculator
This calculator is used to determine the total mass of an item from the total area measured with a specified area density, m=Aρₐ
Mass and Length Total to Linear Density Calculator
This calculator is used to determine the linear mass density from the total measured mass and length of an item, λₘ=m/L
Mass Total and Linear Density to Total Length Calculator
This calculator is used to determine the total length of an item from the total mass measured with a specified linear mass density, L=m/λₘ
Length Total and Linear Density to Total Mass Calculator
This calculator is used to determine the total mass of an item from the total length measured with a specified linear mass density, m=Lλₘ
Weight total and Amount per unit weight to Amount total Calculator
This total weight and amount per unit of mass to total amount calculator can be used to calculate any quantity total from the total weight in one type of mass measurement unit, and the unit mass quantity in another type.
Time total and Amount per unit time to Amount total Calculator
This total time and amount per unit of time to total amount calculator can be used to calculate any quantity total from the total time in one type of time measurement unit, and the unit time quantity in another type.
Length total and Amount per unit length to Amount total Calculator
This total length and amount per unit of length to total amount calculator can be used to calculate any quantity total from the total length in one type of length measurement unit, and the unit length quantity in another type.
Volume total and Amount per unit volume to Amount total Calculator
This total volume and amount per unit of volume to total amount calculator can be used to calculate any quantity total from the total volume in one type of volumetric measurement unit, and the unit volume quantity in another type.
Length x Width and Amount per unit area to Amount total Calculator
This length, width and amount per unit of area to total amount calculator can be used to calculate any quantity total, from the length & width in different units of a rectangular area, and the unit area quantity in any area measurement units.
Area total and Amount per unit area to Amount total Calculator
This total area and amount per unit of area to total amount calculator can be used to calculate any quantity total, from the total area in one type of area measurement unit and the unit area quantity in another type.
Gross – Net to Tare Weight Calculator
This tool will calculate the tare weight (TW) by subtracting the net weight (NW) from the gross weight (GW) reading you entered and convert any combination of weight (mass) units for each weight value.
Net + Tare to Gross Weight Calculator
This tool will calculate the gross weight (GW) by adding the net weight (NW) to the tare weight (TW) reading you entered and convert any combination of weight (mass) units for each weight value.
Gross – Tare to Net Weight Calculator
This tool will calculate the net weight (NW) by subtracting the tare weight (TW) from the gross weight (GW) reading you entered and convert any combination of weight (mass) units for each weight value.
Suction Pressure to Vacuum Calculator
This tool will calculate the absolute referenced vacuum pressure by subtracting the suction from the barometric pressure reading you entered and convert any combination of pressure units for each pressure value.
Vacuum to Suction Pressure Calculator
This tool will calculate the suction pressure by subtracting the vacuum pressure reading from the barometric pressure reading you entered and convert any combination of pressure units for each pressure value.
Absolute – Barometric to Gauge Pressure Calculator
This tool will calculate the gauge pressure by subtracting the barometric pressure from the absolute referenced pressure reading you entered and convert any combination of pressure units for each pressure value.
Gauge + Barometric to Absolute Pressure Calculator
This tool will calculate the absolute pressure by adding together the gauge pressure and related barometric pressure reading you entered and convert any combination of pressure units for each pressure value.
High and Low Side Pressure to Differential Pressure Calculator
This tool will calculate the differential pressure from a high and low side pressure reading and convert any combination of pressure units for each pressure value.
Pressure Transducer 0.5-4.5V Voltage Output Calculator
This pressure transducer 0.5 to 4.5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 1-5V Voltage Output Calculator
This pressure transducer 1 to 5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 0-5V Voltage Output Calculator
This pressure transducer 0 to 5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 0-10V Voltage Output Calculator
This pressure transducer 0 to 10 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Ratiometric V/V Signal to Measurement Converter
This ratiometric voltage input to measurement output converter provides a way to determine the measurement output reading and voltage input range from a ratiometric voltage input signal with a specified volts per volt span sensitivity, zero offset and supply voltage.
Measurement to Ratiometric V/V Signal Converter
This measurement to ratiometric voltage output calculator provides a way to determine the output reading and range of a ratiometric voltage signal sensing device from any measurement input, volts per volt span sensitivity, zero offset and supply voltage.