Can Liner Guide and Calculators

You can use any of the below calculators to help determine which size can liner you need.   Commercial can liner sizes are expressed as two numbers, for example 38” x 58”.  The first number is the size of the liner width, and the second number is the depth.

To get the circumference of the receptacle we will need to calculate the circumference of the receptacle and divide by two.Liner Picture

If the can is rectangular or square, simply measure all 4 sizes and add together.  If it is circular, measure the diameter of the circle and then multiply by 3.14.  Be sure to divide by 2 to get the proper bag width.

High Density vs Linear Low Density Can Liners

Linear Low Density can liners are the most common liners.  They have greater tear and puncture resistance than high density liners, but aren’t always the best solution for every situation.  You can see a table comparing the two below.

Linear Low Density

High Density

Puncture Resistance



Tear Resistance



Strength per Mil/Micron



Cost per liner



Resistance to “Zippering” after puncture



Temperature Resistance

Fair (Up to 122ºF)

Great (-40ºF to 212ºF)

FDA Approved


Yes (natural colors)


Enter number on either side to get a new conversionBrute Trash Can

Mils = Microns

For square trash cans:


Length of side
Depth of can
Liner size must be at least: N/A x N/A


For rectangular trash cans:


Length of long side
Length of short side
Depth of can
Liner size must be at least: N/A x N/A


For circular trash cans:


Longest part of can opening (diameter)
Depth of can
Liner size must be at least: N/A x N/A


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