Wiper Blade Size Table
| Vehicle class | Driver | Passenger |
|---|---|---|
| Subcompact / city car | 22" | 16-18" |
| Compact sedan / hatchback | 24" | 18" |
| Midsize sedan | 24-25" | 18-20" |
| Crossover | 24-26" | 18-20" |
| Full SUV / pickup | 26-28" | 20-22" |
| Rear (hatchback / SUV) | 12-16" | - |
Wiper blades are sold by length in inches, one number per arm - and the two arms on your windshield usually take two different sizes, which is the part the parts-store chart whispers and the packaging never explains.
Bottom line: compacts run 22-inch driver with 16-to-18-inch passenger blades; midsize sedans cluster at 24 and 18; full SUVs and pickups land at 26 or 28 with 20 to 22 behind. Measure your blade's rubber edge end to end and buy per arm - the pair-box is for people who enjoy returns.
The honest part: blade length is a fitment, not a preference - too long and the blade lifts off glass at speed or strikes its neighbor; too short and the unwiped crescent sits exactly in your sightline. The chart below narrows the candidates, and the two-minute measure of your current blade closes the case.
How to use
- Measure the driver-side blade's rubber edge from tip to tip in inches - not the arm, not the frame: the wiping element is what the size names. Repeat on the passenger side; the number is usually 2 to 6 inches shorter.
- Match your two numbers in the table to see the vehicle classes that share them, then buy per arm. Rear windows take a third, smaller blade (12 to 16 inches) on hatchbacks and SUVs.
- Install and test dry: run the wipers on glass misted with washer fluid and watch the sweep - any stutter, lift, or a crescent of unwiped glass at the edge means the length or the adapter is wrong, and it takes ten seconds to spot before you are driving in rain.
Frequently asked questions
What size wiper blades do I need?
The two numbers your current blades already carry - measure the rubber edge tip to tip, driver and passenger separately. Most vehicles take a pair 2 to 6 inches apart (24 and 18 on many sedans, 26 and 22 on large SUVs). If the blade's size is molded into the arm end, read it there; the table's vehicle-class rows narrow it further when replacing blades that were wrong from day one.
Why are driver and passenger wiper blades different sizes?
The driver blade must clear the widest sweep of glass in front of the steering position, while the passenger blade only has to cover the shorter arc its arm traces - and the two arms pivot from different points. Matching lengths would leave the passenger blade striking the end of its arc or overhanging the glass, which is why every parts chart lists the sizes per position, never as one number.
Can I put a longer wiper blade on for more coverage?
No - a blade longer than spec overhangs the glass or collides with its partner mid-sweep, and the extra length changes the pressure distribution so the blade lifts at highway speed, wiping a dry stripe down the middle. An inch is the most that ever fits, and it trades a sliver of coverage for streaking and noise. Buy the spec size; coverage problems live in worn blades, not short ones.
How often should wiper blades be replaced?
Six months to a year - the rubber edge hardens in sun and ozone long before it tears. The tell-tales: a stutter at the top of the sweep (chatter), thin unwiped streaks, or squeak on a wet wipe. Winter acceleration is real: ice scraping and cold-hardened rubber can end a blade in a single season, which is why the change is paired with the first frost check, not the first storm.