# Difference between Vernier constant and least count

What is the difference between the Vernier constant and least count of a Vernier caliper?

• There is no difference. – Asad Saeeduddin Dec 8 '13 at 8:32
• Can you please explain the reason? – Shaona Bose Dec 8 '13 at 11:47

The quantity represents the difference between the size of the smallest division on the main scale and the size of one Vernier divisions.This quantity $(S-V)$ is called the Vernier Constant.