No, your iPhone 17 case won't fit the iPhone 16 Plus
The iPhone 17 (149.6×71.5mm) and iPhone 16 Plus (160.9×77.8mm) differ too much for cases to be compatible.
Does a iPhone 17 Case Fit iPhone 16 Plus?
Last verified: March 2026
No, a iPhone 17 case will not fit the iPhone 16 Plus. The phones have different dimensions that make cases incompatible.
Your iPhone 17 case will NOT fit the iPhone 16 Plus. Here's why:
- •Height differs by 11.3mm — case won't fit
- •Width differs by 6.3mm — case won't fit
| Spec | iPhone 17 | iPhone 16 Plus | Diff |
|---|---|---|---|
| Height | 149.6mm | 160.9mm | iPhone 16 Plus +11.3mm |
| Width | 71.5mm | 77.8mm | iPhone 16 Plus +6.3mm |
| Thickness | 7.95mm | 7.8mm | iPhone 17 +0.2mm |
| Camera Layout | vertical-dual | vertical-dual | Same |
| Port | usb-c | usb-c | Same |
Since your iPhone 17 case won't work with the iPhone 16 Plus, here are the highest-rated cases that will:
OtterBox
OtterBox Defender Series for iPhone 16 Plus
$64.95
As an Amazon Associate, WillItSnap earns from qualifying purchases. This doesn't affect our compatibility data.
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers and magnetic accessories work with both phones.
- Your MagSafe charger will work with both devices.
- Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
iPhone 17
MagSafe Gen 2
25W max
iPhone 16 Plus
MagSafe Gen 2
25W max
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
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Frequently Asked Questions
Are iPhone 17 and iPhone 16 Plus the same size?
iPhone 17 measures 149.6×71.5×7.95mm while iPhone 16 Plus measures 160.9×77.8×7.8mm. They are different sizes.
Can I use a iPhone 17 screen protector on iPhone 16 Plus?
Screen sizes differ (6.3" vs 6.7") — protector won't fit.
What's different between iPhone 17 and iPhone 16 Plus dimensions?
The height differs by 11.3mm, the width by 6.3mm, and thickness by 0.2mm.
Do I need a new case for iPhone 16 Plus?
Yes, you'll need a new case. The iPhone 16 Plus has different dimensions than the iPhone 17, so cases are not interchangeable.
Will iPhone 17 accessories work with iPhone 16 Plus?
Chargers and cables are compatible since both phones use the same usb-c port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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