The 10 Best Carpentry Squares
This wiki has been updated 11 times since it was first published in October of 2016. Whether you're a full-time contractor or a home DIYer, whenever the job calls for accurate measurements and angles, you'll need one of these carpentry squares. They are ideal for stair and roof framing as well as a variety of woodworking applications. We've included inexpensive plastic models that are perfect for the occasional user in addition to more elaborate options suitable for professionals. When users buy our independently chosen editorial recommendations, we may earn commissions to help fund the Wiki. Skip to the best carpentry square on Amazon.
April 11, 2019:
Removed the Maxtech 18140MX due to it being clumsy to use, in large part due to the manufacturer's attempts to load the thing up with unnecessary features. It's a case of trying too hard and making something simple far too complicated.
In its place is a model from Irwin Tools. It's clean and simple, setting it in diametric opposition to the Maxtech. The bubble level ensures that your angles are always square, and it can be quickly taken apart for storage or if you just need a ruler.
When choosing between a metal or plastic model, pay less attention to the price difference (with a few exceptions, most of these are within a few bucks of each other) and consider other qualities the model has. Plastic models feature very little wobbling, and are ideal for anyone who suspects they'll abuse or misplace their new tool. Metal options are more durable, but there might be a little play in the ends, especially on longer models.