175/70R13 Tires

The size 175/70R13 gives three measurements: tread width 175 mm, sidewall height 122.5 mm (70% of the width), and rim size 13 in. Overall diameter is 575 mm (about 22.6 in). One full turn covers 1.81 m, or 553 turns per km.

To learn what each number means, read How to read a tire size