The least count of the vernier caliper is equal to

Value of 1 M.S.D. - value of 1 V.S.D.

Value of 1 V.S.D. - value of 1 M.S.D.

Value of 2 M.S.D. - value of 1 V.S.D.

Value of 1 M.S.D + value of 1 V.S.D.

25.39 mm

25.37 mm

25.43 mm

25.45 mm

40.50 mm

40.56 mm

40.46 mm

40.59 mm

Dial test indicator

Vernier height gauge

Test Piece

Feeler gauge

0.50 mm

1.00 mm

1.50 mm

2.00 mm