What is the measurement chart of length in metric and imperial units
Measuring length involves measuring the length of any object using measuring tools such as a ruler, measuring tape, and so on. A ruler, for example, can be used to measure the length of a pencil in inches. A foot scale can be used to measure the height of students in a class. Inches, centimetres, metres, feet, and more length units exist. The act of measuring the length of things in some specified units, which can be standard or non-standard, is defined as length measurement. Here, we will learn about length units of length, meters conversion chart and will also see the unit conversion chart.
How to Measure Length?
A ruler has two sides: centimeters/millimeters and inches. The following are the steps for measuring length with a ruler:
Step 1: Select the unit of measurement for length. If you want a value in centimetres, use the ruler's centimetre side. If the measurement is in inches, use the ruler's inches side.
Step 2: Place the object beside the ruler, beginning at point 0.
Step 3: Read the endpoint and record the value.
Measure Length
Units of Length
Length can be measured in several measures such as centimetres, inches, metres, and so on. The length measurement units are divided into two types: Standard length measuring units and non-standard length measuring. Below is the image showing units of measurement chart.
Measurement chart
Standard and Non Standard Units of Measuring Length
Standard units are pre-defined and do not vary from person to person or object to object. If two or more people measure the same object's length in any standard unit, say inches, they will receive the same measurement. Meters, millimetres, inches, feet, yards, are some of the examples of it.
Non standard units do not have a defined numerical measurement. They differ from one person to the next and from one thing to the next. For example, if a youngster and his father use their handspan to measure the length of a rectangular wall, they are likely to get different results. This is because a child's handspan is typically smaller than that of an adult.
SI Unit of Length
The SI unit of length measurement is the metre (m). The metre is the basic unit of length, as indicated in the measurement chart. Its equivalent in other units is provided below:
$1 \mathrm{~m}=100 \mathrm{~cm}$
$1 \mathrm{~m}=1000 \mathrm{~mm}$
$1 \mathrm{~m}=0.001 \mathrm{~km}$
$1 \mathrm{~m}=39.37 \text { inches }$
$1 \mathrm{~m}=1.09361 \text { yards }$
$1 \mathrm{~m}=3.28 \text { feet }$
Measurement of Length Chart
The length measurement chart makes it simple to convert one unit to another. For example in the case, if we know that one yard equals 36 inches, we can easily convert three yards to inches by multiplying three by 36.
Let’s see the measurement table in which we will unit conversion chart:
Solved Example
Q 1. $6000 \mathrm{~mL}$ equals how many litres?
Ans: Since, to convert from milliliters to liters, always multiply the number or figure by 0.001 (or divide by 1000).
Here, we have 6000mL given.
So we will divide it by 1000. i.e. $\frac{6000}{1000}$
On solving it, we get
= 6L
Hence, $6000 \mathrm{~mL}$ equals to 6 L.
Q 2. Convert 3 kilometers to meters.
Ans: Since, we know that 1 km = 1000m
Therefore, $3 \mathrm{~km}=3 \mathrm{~km} \times 1000$
$=3000 \mathrm{~m}$
Q 3. Convert $75 \mathrm{~cm}$ to $\mathrm{m}$.
Ans: We know that,
$1 \mathrm{~cm}=0.01 \mathrm{~m}$
For converting $75 \mathrm{~cm}$ to $\mathrm{m}$, multiply $75 \mathrm{~cm}$ by $0.01 \mathrm{~m}$. We get
$75 \mathrm{~cm}=75 \times 0.01 \mathrm{~m}$
$75 \mathrm{~cm}=0.75 \mathrm{~m}$
Thus, $75 \mathrm{~cm}$ is equal to $0.75 \mathrm{~m}$.
Practice Problem
Q 1. $5000 \mathrm{~mL}$ equals how many litres? (Ans: 5L)
Q 2. Convert 5 cm to m. (Ans: 0.05 m)
Q 3. Convert 210 centimetres to metres. (Ans: 2.1 m)
Summary
Measurement of length is the act of measuring the length of objects in some specified units which can be standard or non-standard. As we have learned that standard units are pre-defined and it does not vary from person to person. Whereas in the non-standard unit we have seen how the measurement changes as it is initially dependent on the person. Then we learned about the conversion and saw the conversion chart. We hope that this article will give you clarity on the conversion and by solving the practice problem you will have more command over this topic.
FAQs on Measurement Chart of Length and Unit Conversions
1. What is a measurement chart of length?
A measurement chart of length is a table that shows different units of length and their conversion relationships. It helps students understand how units like millimeters (mm), centimeters (cm), meters (m), and kilometers (km) are connected.
Common metric length chart:
- 1 cm = 10 mm
- 1 m = 100 cm
- 1 km = 1000 m
2. What are the units included in a standard length measurement chart?
The standard metric length measurement chart includes units from smallest to largest: millimeter, centimeter, meter, and kilometer.
Ordered from smallest to largest:
- Millimeter (mm)
- Centimeter (cm)
- Meter (m)
- Kilometer (km)
3. How do you convert units using a length measurement chart?
To convert units using a length measurement chart, move left to multiply and move right to divide by powers of 10. Each step between metric units changes by a factor of 10.
Steps:
- Moving mm → cm → m → km: divide by 10, 100, or 1000
- Moving km → m → cm → mm: multiply by 10, 100, or 1000
4. What is the conversion formula for metric units of length?
The conversion formula for metric length is based on powers of 10: New Value = Given Value × (conversion factor).
Common conversion factors:
- 1 m = 100 cm
- 1 cm = 10 mm
- 1 km = 1000 m
5. What is the difference between metric and customary length measurement charts?
The difference is that the metric system uses powers of 10, while the customary system uses non-decimal conversions. Metric units include mm, cm, m, km, whereas customary units include inches, feet, yards, and miles.
Examples:
- 1 m = 100 cm (metric)
- 1 foot = 12 inches (customary)
- 1 mile = 5280 feet
6. Can you give an example of converting kilometers to meters using a length chart?
To convert kilometers to meters, multiply by 1000 because 1 km = 1000 m. This follows the metric measurement chart of length.
Example:
- 4 km × 1000 = 4000 m
7. Why is the metric length chart based on powers of 10?
The metric length chart is based on powers of 10 to make calculations and unit conversions simple. Each unit is 10 times larger than the next smaller unit.
For example:
- 10 mm = 1 cm
- 100 cm = 1 m
- 1000 m = 1 km
8. How do you read a length measurement chart correctly?
To read a length measurement chart correctly, arrange units from smallest to largest and track how many steps you move between them. Each step in the metric chart equals a factor of 10.
Order of units:
- mm → cm → m → km
9. What are common mistakes when using a measurement chart of length?
Common mistakes include using the wrong conversion factor or moving in the wrong direction on the length chart. Students often confuse when to multiply or divide.
Common errors:
- Dividing instead of multiplying when converting to smaller units
- Forgetting that 1 m = 100 cm, not 10 cm
- Mixing metric and customary units
10. Where is a length measurement chart used in real life?
A length measurement chart is used in daily life for measuring distance, height, construction work, and map reading. It helps convert between units quickly and accurately.
Examples:
- Measuring a person’s height in centimeters or meters
- Calculating road distance in kilometers
- Measuring small objects in millimeters
