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vCalc Conversions library contains equations, constants and calculators that help with all categories of conversions for measuring Area, Electric Current , Energy, Length, Mass, Pressure,Temperature, Time, Volume , etc.

Conversions are vital because they help to improve people's understanding by changing unit measurements of equivalent sizes, weights, and amounts.  The preferred unit of measurement for equivalent sizes and amounts tend to differ from one geographical region to another. For example, In the United Kingdom, the British use degrees Celsius to measure temperature while in the US, Americans primarily use degrees Fahrenheit.

Not all conversions are a multiplication by a factor. For example, the relationship between the different temperature scales is linear but the scales have different zero points: pure water is defined to freeze at 32 °F = 0 °C and boil at 212 °F = 100 °C at 1 atmosphere (atm unit); the conversion formula is easily shown to be:

                                       `F = 9/5 C + 32` or inversely as `C = 5/9 ( F -32)`

Recommended place to start:  All Conversions

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Conversions Calculators

Conversions Equations

  • Cost per Time by vCalc
  • dBuV/m-to-V/m by vCalc
  • Degrees Minutes Seconds to Radians by vCalc
  • Euros per Liter to Canadian Dollars per Liter by vCalc
  • hp-to-BTU/h by vCalc
  • Martian Weight by vCalc
  • Mean Density from Specific Gravity by vCalc
  • Mileage Expense by vCalc
  • Moon Weight by vCalc
  • Octal by vCalc
  • Percent Change in Length by vCalc
  • Square Feet to Acres by vCalc
  • Units per Square Foot to Units per Square Meter by vCalc
  • vAngle by vCalc
  • vAngularAcceleration by vCalc
  • vAngularVelocity by vCalc
  • vCharge by vCalc
  • vDynamicViscosity by vCalc
  • vFlow Rate by vCalc
  • vFrequency by vCalc
  • vMagnetic Flux Density by vCalc
  • vMass by vCalc
  • vMoment of Inertia by vCalc
  • vRadiation Dosage by vCalc
  • vStress by vCalc
  • vTorque by vCalc
  • Area by MichaelBartmess
  • Change in Pressure by Billy
  • Degree-to-Radian by MichaelBartmess
  • Dollar Conversion from Different Times by cataustria
  • Japanese (Shakkanhō) Lengths by jmorris
  • Japanese Rice Weights by jmorris
  • Length by MichaelBartmess
  • Number of conversions by MichaelBartmess
  • Radian-to-Degree by MichaelBartmess
  • test demote 2 by Andrew
  • un-privileged by Andrew
  • vConcentration by eng
  • vInductance by eng
  • vMoney Per Area by eng
  • vMoney Per Length by eng
  • vMoney Per Mass by eng
  • vMoney Per Volume by eng
  • vPotential by eng
  • vSolidAngle by eng

Conversions Constants