Welcome to WELOCK’s Compatibility Checker — your simple tool to make sure your smart lock fits perfectly. Just follow 3 easy steps about your door and cylinder to get tailored recommendations — no guesswork needed.
Not sure how to measure your door or cylinder? Feel free to contact our WELOCK support team anytime at service@welockglobal.com — we’re happy to help!
What kind of cylinder does your door use? Most WELOCK smart locks are designed for Euro-profile cylinders. If your door uses a different type, we’ll guide you through alternatives.
Measure the full thickness of your door, including any trim or plate. This helps us determine which WELOCK cylinder length fits best.
Find the distance from the edge of the door to the center of the keyhole — this is called the “backset.” It’s essential for choosing a lock that fits flush and works smoothly.
Euro Cylinders for door thicknesses of 30-70 mm
View allEuro Cylinders for door thicknesses of 50-100mm
View allWELOCK locks for American Door Cylinders
View allFAQs
Most European-profile doors (wood, glass, aluminum, metal) are compatible.
WELOCK smart locks have two sizes, suitable for door thicknesses of 30-70mm or 50-100mm respectively.
Yes, you can refer to WELOCK instruction manual or installation video to complete the installation easily, no drilling, no locksmith's help, no extra cost.
Mostly yes — but we also support American cylinders and provide suitable models when needed.
