Unit Conversion: Definition, Factor, Length, Mass, Time, Volume and Pressure

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Unit Conversion: Definition, Factor, Length, Mass, Time, Volume and Pressure – What is unit conversion?, On this occasion About the knowledge.co.id will discuss it, including factors, types and of course other things that also cover it. Let's look at the discussion together in the article below to better understand it


Unit Conversion: Definition, Factor, Length, Mass, Time, Volume and Pressure


The unit is a reference that can be used in measurements or can also be used as a comparison in measuring a quantity.

Unit conversion in general can mean changing the value of a unit system to another unit value. In general, never change the value of a quantity. Changing units like this can be done by using the factors.


Unit Conversion Factor

Unit Conversion Factor, which is a number that shows the equality of the value of a quantity between two different units. This conversion factor is fixed (constant). The conversion factor can also be reciprocal, meaning that if an A unit of a quantity can be changed to B unit, then B unit can also be changed to A unit.

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Types of Unit Conversion Types

Converting units of various quantities in physics is very important, because in physics many measurements and calculations require the right units.


  • Length Unit Conversion

Converting units of length means changing units of length to other units of length. The order of units of length from the longest to the shortest can be seen in the description below.

    • Length unit conversion example

Note the length unit conversions below:

      • 1 km = 10 hm = 100 dam = 1,000 m = 10,000 dm =100,000 cm= 1,000,000 mm
      • 1 hm = 10 dam = 100 m = 1,000 dm = 10,000 cm = 100,000 mm = 0.1 km
      • 1 dam = 10 m = 100 dm = 1,000 cm = 10,000 mm = 0.1 hm = 0.01 km
      • 1 m = 10 dm = 100 cm = 1000 mm = 0.1 dam = 0.01 hm = 0.001 km
      • 1 dm = 10 cm = 100 mm = 0.1 m = 0.01 dam = 0.001 hm = 0.0001 km
      • 1 cm = 10 mm = 0.1 dm = 0.01 m = 0.001 dam = 0.0001 hm = 0.00001 km
      • 1 mm = 0.1 cm = 0.01 mm = 0.001 m = 0.0001 dam = 0.00001 mm = 0.000001 km

  • Mass Unit Conversion

Mass is different from weight. In daily life, mass is often used heavily. Wherever mass is taken, its value will remain. While the weight will be different, because it is influenced by gravity.

Converting mass units means changing mass units to other mass units. The order of mass units from largest to smallest can be seen from the information below.

    • Mass Unit Conversion Example

Note the conversion of mass units below with other units:

      • 1 ton = 1,000 kg = 103 kg
      • 1 tonne = 10 quintals = 103 kg
      • 1 quintal = 100 kg = 102 kg
      • 1 kg = 2 pounds
      • 1 pound = 5 ounces
      • 1 kg = 10 ounces
      • 1 kg = 0.001 tons = 10-3 tons
      • 1 gram = 0.001 kg = 10-3 kg
      • 1 milligram = 0.001 grams = 10-3 grams
      • 1 milligram = 0.000 001 kg = 10-6 kg

  • Time Unit Conversion

Converting time units means changing time units to other time units. The order of time units from the largest to the smallest can be seen from the information below.

    • Time unit conversion example
      • 1 day = 24 hours
      • 1 hour = 60 minutes
      • 1 minute = 60 seconds
      • 1 second = 1/ 60 minutes
      • 1 minute = 1/ 60 hours
      • 1 hour = 3600 seconds
      • 1 day = 86,400 seconds

  • Area Unit Conversion (Square)

Area units often end in the word square, such as square kilometers and square meters. Say
a square can be written as a square number, just as a square meter can be written as m2. For more details, see the area unit conversions below.

    • Area Unit Conversion Example
      • 1 km2 = 1,000,000 m2 = 106 m2
      • 1 hm2 = 10,000 m2 = 104 m2
      • 1 dam2 = 100 m2 = 102 m2
      • 1 dm2 = 0.01 m2 = 10-2 m2
      • 1 cm2 = 0.0001 m2 = 10-4 m2
      • 1 mm2 = 0.000001 m2 = 10-6 m2
      • 1 m2 = 100 dm2 = 102 dm2
      • 1 m2 = 10,000 cm2 = 104 cm2
      • 1 m2 = 1,000,000 mm2 = 106 mm2
      • 1 ha (hectare) = 10,000 m2

  • Unit Volume (Cubic) Conversion

Volume units often end in the word cubic, such as cubic kilometer and cubic metre. Say
square can be written as a cube, just as a cubic meter can be written as m3.

For more details, see the volume unit conversion below. Likewise, pay attention to other units as below.

    • Volume Unit Conversion Example
      • 1 km3 = 109 m3
      • 1 hm3 = 106 m3
      • 1 dam3 = 103 m3
      • 1 dm3 = 10–3 m3
      • 1 cm3 = 10-6 m3
      • 1 mm3 = 10-9 m3
      • 1 m3 = 103 dm3
      • 1 m3 = 106 cm3
      • 1 m3 = 109 mm3
    • Example of Converting Volume Units with other units
      • 1 liter = 1 decimeter3 = 1,000 ml = 1,000 cc
      • 1 liter = 0.001 m3 = 10-3 m3
      • 1 m3 = 1,000 liters
      • 1 cm3 = 1 cc
      • 1 milliliter = 1 ml = 1 cm3
      • 1 ml = 0.001 liter = 10-3 liters
      • 1 ml = 0.000 001 m3 = 10-6 m3
Unit Conversion: Definition, Factor, Length, Mass, Time, Volume and Pressure

  • Pressure Unit Conversion

The unit of pressure is often used to measure the strength of a liquid or gas.

The units of measurement for pressure can generally be related to the units of volume and temperature or temperature. The higher the pressure in a place with the same contents, the temperature will be higher.

Examples of conversion calculations for various pressure units:

    • atmosphere
      • 1 atmosphere is equal to 1.013 bar
      • 1 Atmosphere equals 14.689 Psi
      • 1 atmosphere is equal to 101,300 Pascals
      • 1 atmosphere is equal to 1.013 millibars
      • 1 Atmosphere equals 760 mm of Hg or 760 Torr
    • Bar
      • 1 Bar equals 750 Torr or 750 mm of Hg
      • 1 Bar equals 14.5 Psi
      • 1 Bar is equal to 100,000 Pascals
      • 1 bar is equal to 1000 millibars
    • Torr
      • 45 Torr equals 60 millibars
      • 45 Torr equals 0.05923001 Bar, or rounded to 0.06 Bar
      • 45 Torr equals 0.870 Psi
      • 45 Torr equals 6,000 Pascals
    • mm of Hg
      • 1 mm of Hg is equal to 1 Torr
      • 760 mm of Hg equals 1 atmosphere
      • 760 mm of Hg equals 14.689 Psi
      • 760 mm of Hg equals 101,300 Pascals

Thus the review from About the knowledge.co.id about Unit Conversion: Definition, Factor, Length, Mass, Time, Volume and Pressure, hopefully can add to your insight and knowledge. Thank you for visiting and don't forget to read other articles.

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