In this note, we are going to know about a topic called “What is Scalar Quantity?” and Examples of Scalar Quantity. Welcome to Poly Notes Hub, a leading destination for engineering notes for diploma and degree engineering students.

Author Name: Arun Paul.

What is Scalar Quantity?

It is a physical quantity with simply magnitude but no direction. Scalars are fully described by a numerical value expressed in the proper units.

Key characteristics of Scalar Quantity

• They do not depend on direction.
• They follow the simple rules of algebra.
• They remain unchanged even if the frame of reference changes.

Examples of Scalar Quantity

Here are the list of scalar quantity examples –

Scalar Quantity	Value	Unit
Mass	5 kg	Kilogram (kg)
Time	10 seconds	Second (s)
Speed	60 km/h	Kilometer per hour (km/h)
Temperature	30°C	Degree Celsius (°C)
Energy	500 Joules	Joule (J)
Distance	200 meters	Meter (m)
Volume	2 liters	Liter (L)