Wiper Size Measurement Guide With Inches (“) And Millimeter (mm)

Last Updated on: 5th March 2022, 06:43 pm

Windshield wipers are a necessary part of any car. They help to keep the driver and passengers safe by keeping the windshield clean and clear. Windshield wipers should be replaced every six months or after they have been used for 12,000 miles. This is because they will wear out over time and become less effective at keeping your windshield clean.

The windshield wiper blades should be measured from the end of the blade to the point where it meets the arm. To measure, use a ruler or tape measure and place it against the metal edge of the blade closest to you. The measurement is taken from that point and then going down to the metal edge of the arm.

There are two common types of windshield wipers: single-armed and dual-armed. Single-armed wipers are mounted on one side of your car and dual-armed wipers are mounted on both sides. If you have single-armed wipers, you will need to measure each blade individually if they’re different lengths.

See wiper size measurement chart: Inches to mm converter for wiper size

Wiper Size by Inches	Wiper Size by mm
10″	250 mm
11″	280 mm
12″	300 mm
13″	330 mm
14″	350 mm
15″	380 mm
16″	400 mm
17″	430 mm
18″	450 mm
19″	480 mm
20″	500 mm
21″	530 mm
22″	550 mm
23″	580 mm
24″	600 mm
25″	650 mm
26″	660 mm
27″	680 mm
28″	700 mm
30″	750 mm
32″	813 mm

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