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Unit Conversions

Conversion of units, such as mass, pressure, and density, and time calculations

Convert physical property units, such as acceleration, density, and temperature, between metric and English units. For a list of supported aerospace units, see Aerospace Units. Also convert specified dates to Julian equivalents.


convaccConvert from acceleration units to specified acceleration units
convangConvert from angle units to specified angle units
convangaccConvert from angular acceleration units to specified angular acceleration units
convangvelConvert from angular velocity units to desired angular velocity units
convdensityConvert from density units to specified density units
convforceConvert from force units to specified force units
convlengthConvert from length units to desired length units
convmassConvert from mass units to specified mass units
convpresConvert from pressure units to specified pressure units
convtempConvert to desired temperature units
convvelConvert from current velocity units to desired velocity units
decyearDecimal year calculator
juliandateJulian date calculator
leapyearDetermine leap year
mjuliandateModified Julian date calculator
tdbjuliandateConvert from Terrestrial time to Barycentric Dynamical Time (TDB) Julian date


  • Aerospace Units

    Use units and unit conversion functions available with the Aerospace Toolbox software.