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Conversion of Units: Formula, Table and Examples

Conversion of Units or Unit Conversion is a process used to represent the value of the same quantity in different units. For instance, mass can be represented in grams instead of kilograms. Unit Conversion is fundament and is used in many real-life scenarios such as for finding distance, area, length, weight, time, and much more.

In this article, we will explore the conversion of units, its definition, examples, conversion of units table, and solve some examples related to it.

Table of Content

What is Conversion of Units?

Conversion of units implies converting the units of a quantity from one to another according to the requirement. For example, if we measure a distance between two cities then, we measure it in kilometers, but if we measure the length of a table, we will probably measure it in meters. Similarly, depending on the condition we use different units to measure the same quantity.

Conversion of Units Definition

Representation of one unit of a quantity to another unit is called conversion of units.

We require different units of different quantities in various fields. So, it is important to study the basic conversion of units.

Conversion of Unit of Measurement Example

Unit Conversion is used widely in our daily life. Example of unit conversion include:

  • Representation of the length of rectangle in cm which is given in mm.
  • Number of hours can be represented in minutes by the help of conversion of units.
  • The quantity of a liquid measured in litres can be represented in ml by unit conversion.

Conversion of Units Formula

For converting different units we have two ways:

  • Converting smaller unit to bigger unit, or
  • Converting bigger unit into smaller unit.

If we want to convert smaller unit to bigger unit then we divide according to the relation between units. If we want to convert bigger unit to smaller unit then we multiply according to the relation between the units.

Hence, conversion of unit requires multiplication or division of the given unit as per its relation with the other units. The relation between the units can be remembered by the conversion tables. Below are the few important unit conversion tables.

Note: Unit conversion can be done under same measurements only. For instance, a unit of length cannot be converted to the unit of mass.

Conversion of Units Table

In this section, we will see the conversion of units table for different quantities like

  • Length
  • Area
  • Volume
  • Mass
  • Time
  • Temperature
  • Power etc.

Conversion of Units Table for Length

Some of the conversions of units for length are given below:

Length Unit Conversion

Different Units of Length

Equivalent value (In meters)

1 millimeter (mm)

0.001

1 centimeter (cm)

0.01

1 decimeter (dm)

0.1

1 decameter (dam)

10

1 hectometer (hm)

100

1 kilometer (km)

1000

1 inch (in)

2.54 × 10-2

1 foot

0.3048

1 yard

0.9144

1 mile

1609.344

Check, Length Calculator

Conversion of Units Table for Area

Some of the conversions of units for area are given below:

Area Unit Conversion

Different Units of Area

Equivalent value (In Square meters)

1 sq. inch

6.4516 × 10-4

1 sq. foot

9.2903 × 10-2

1 acre

4.0468 × 103

1 hectare

1 × 104

1 sq. mile

2.5888 × 106

1 barn

1 × 10-28

Also Read, Area

Conversion of Units Table for Volume

Some of the conversions of units for volume are given below:

Volume Unit Conversion

Different Units of Volume

Equivalent value (In Liters)

1 milliliter

0.001

1 centiliter

0.01

1 deciliter

0.1

1 decaliter

10

1 hectoliter

100

1 kiloliter

1000

1 pint

0.473

1 quart

0.946353

1 cubic inch

1.639 × 10-2

1 cubic foot

0.283 × 102

1 gallon

3.785

Check, Volume

Conversion of Units Table for Mass

Some of the conversions of units for mass are given below:

Mass Unit Conversion

Different Units of Mass

Equivalent value (In Grams)

1 milligram

0.001

1 centigram

0.01

1 decigram

0.1

1 decagram

10

1 hectogram

100

1 kilogram

1000

1 stone

6.35 × 103

1 pound

4.53 × 102

1 ounce

28.34

Conversion of Units Table for Time

Some of the conversions of units for time are given below:

Time Unit Conversion

Different Units of Time

Equivalent values

1 min

60 s

1 hour

60 min or 3600 s

1 day

24 hours or 86400 s

1 week

7 days or 604800 s

1 month

30/31 days

1 year

365 days or 12 months

Conversion of Units Table for Energy

Some of the conversions of units for energy are given below:

Energy Unit Conversion

Different Units of Energy

Equivalent value (In Joule)

1 kilowatt-hour

3.6 × 106

1 erg

1 × 10-7

1 BTU (British Thermal Unit)

1.055 × 103

1 calorie

4186 × 10-3

1 electron volt

1.602 × 10-19

1 foot-pound

1.356

Conversion of Units Table for Power

Some of the conversions of units for power are given below:

Power Unit Conversion

Different Units of Power

Equivalent value( In Watt)

1 erg/sec

1 × 10-5 Watt

1 BTU/hr

0.2930 Watt

1 foot-pound/sec

1.356 Watt

1 horsepower

745.7 Watt

1 calorie/sec

4.186 Watt

Force Unit Conversion Table 

Some of the conversions of units for force are given below:

Force Unit Conversion

Different Units of Force

Equivalent value (In Newton)

1 dyne

1 × 10-5

1 pound

4.448

Also Check, Force

Density Unit Conversion Table 

Some of the conversions of units for density are given below:

Density Unit Conversion

Different Units of Density

In kilogram / cubic meter

1 slug/ cubic feet

515.4 kilogram / cubic meter

1 pound / cubic inch

2.768 × 104 kilogram / cubic meter

Read More, Density

Viscosity Unit Conversion Table 

Some of the conversions of units for viscosity are given below:

Viscosity Unit Conversion

Different Units of Viscosity

Equivalent value

1 poise

0.1 kg/m.s

1 slug / feet

47.9 kg / m.s

Read More, Viscosity

Temperature Unit Conversion Table 

Some of the conversions of units for temperature are given below:

Temperature Unit Conversion

Different Units of Temperature

Conversion Formula

In Fahrenheit ℉

℉ = [(9/5) × ℃] +32

In Kelvin K

K = ℃ + 273

Read More,

Solved Examples on Conversion of Units

Example 1: Convert 12 meter into kilometer.

Solution:

We know that:

1 meter = 1 /1000 kilometer

12 meter = 12 / 1000 = 0.012 km

Example 2: Convert 34 milligrams into grams.

Solution:

we know, 1 milligrams = 1 /1000gram

34 milligrams = 34 / 1000 = 0.034 grams

Example 3: Convert 90 kiloliters to liters.

Solution:

We know, 1 kiloliter = 1000 liters

90 kiloliters = 90 × 1000 = 90,000 liters

Example 4: Convert 600 seconds into minutes.

Solution:

As we know, 1 seconds = 1/ 60 minute

600 seconds = 600 / 60 = 10 min

Example 5: Convert 10 decameter into meter.

Solution:

We know that, 1 decameter = 10 meter

10 decameters = 10 × 10 = 100 meters

Practice Questions on Unit Conversion

Question 1. Convert 5 decimeter to centimeter.

Question 2. Convert 30 min into seconds.

Question 3. Convert 10 milligrams into grams.

Question 4. Convert 40 hectares into sq. meters.

Question 5. Convert 15 meter into yards.

Conversion of Units FAQs

What is Unit Conversion?

The process of converting one unit to other unit of a quantity is called conversion of units.

What is an Example Conversion of SI units?

Examples of Conversion of SI units include:

  • Length: 1 meter = 3.28084 feet
  • Mass: 1 kilogram = 2,20462 pounds

What is Purpose of Conversion of Units?

The purpose of conversion of units is to convert one unit to another unit as per the requirement.

What is Conversion of Units Examples?

Conversion of unit examples include:

  • Number of hours can be represented in minutes by the help of conversion of units.
  • The quantity of a liquid measured in litres can be represented in ml by unit conversion.

What is the Rule to Convert Units?

If we have to convert given unit into smaller unit we multiply respected value and if we have to convert given unit into larger unit then we divide accordingly by the respected value.

How do you Convert mm to Kg?

We cannot convert mm to Kg as mm is the unit of length and kg is the unit of mass.

How many Millilitres in 1 Litre?

There are 1000 millilitres in 1 litre. Use litre to millilitre converter to convert more.


 


Reffered: https://www.geeksforgeeks.org

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