how-to-measure-tpi

     
 

How to measure TPI

 
         
         
  Shop for Saws  
         
         
  Measuring TPI  

When purchasing saws, the TPI will usually be listed in the product spec. However, there may come a time when you don’t have this information to hand, and need to find the number yourself. 

 

Please note: When measuring TPI, you should always begin the measurement in the centre of the gullet.

 
         
  Measure one inch along blade  

Step 1 – Measure 1 inch along blade

Measure 1 inch along the blade, from the centre of the gullet. 

 
         
  Saw blade with two teeth per inch

 

 

Step 2 – Count teeth

Count the number of teeth in that 1 inch space. This is the blade’s TPI.

 

The blade on the left has 2 Teeth Per Inch.

 
         
     

A few more examples

 
  blade for sawing, plywood and MDF. It has 12 Teeth Per Inch.  

This is an example of a blade for sawing plywood and MDF.

 

It has 12 Teeth Per Inch.

 
         
  Example of a blade for sawing masonry, 3 teeth per inch  

And this is an example of a blade for sawing masonry. 

It has 3 Teeth Per Inch.

 
         
  7.5 teeth per inch  

Please note: A blade’s TPI may not always be a whole number.


The blade on the left has 7.5 Teeth Per Inch. Within the 1 inch space, there are 7 and a half teeth visible.