No, your Pixel 4a case won't fit the Pixel 3a
The Pixel 4a (144.2×69.4mm) and Pixel 3a (151.3×70.1mm) differ too much for cases to be compatible.
Does a Pixel 4a Case Fit Pixel 3a?
Last verified: March 2026
No, a Pixel 4a case will not fit the Pixel 3a. The phones have different dimensions that make cases incompatible.
Your Pixel 4a case will NOT fit the Pixel 3a. Here's why:
- •Height differs by 7.1mm — case won't fit
- •Width differs by 0.7mm — case won't fit
| Spec | Pixel 4a | Pixel 3a | Diff |
|---|---|---|---|
| Height | 144.2mm | 151.3mm | Pixel 3a +7.1mm |
| Width | 69.4mm | 70.1mm | Pixel 3a +0.7mm |
| Thickness | 8.2mm | 8.2mm | Same |
| Camera Layout | single | single | Same |
| Port | usb-c | usb-c | Same |
Your Pixel 4a case won't fit the Pixel 3a. Find the right case:
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Frequently Asked Questions
Are Pixel 4a and Pixel 3a the same size?
Pixel 4a measures 144.2×69.4×8.2mm while Pixel 3a measures 151.3×70.1×8.2mm. They are different sizes.
Can I use a Pixel 4a screen protector on Pixel 3a?
Screen sizes differ (5.81" vs 5.6") — protector won't fit.
What's different between Pixel 4a and Pixel 3a dimensions?
The height differs by 7.1mm, the width by 0.7mm, and thickness by 0.0mm.
Do I need a new case for Pixel 3a?
Yes, you'll need a new case. The Pixel 3a has different dimensions than the Pixel 4a, so cases are not interchangeable.
Will Pixel 4a accessories work with Pixel 3a?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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