Skip to content

Garbage Bag Size Calculator

Everyday life
0.0(0)

Calculates the appropriate garbage bag size based on trash can dimensions.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Trash Can Width (inches), Trash Can Depth (inches), Trash Can Height (inches), and Bag Fit Allowance (inches) in the units shown.

Step 2

Read Bag Length Needed (inches), Bag Width Needed (inches), and Suggested Bag Size in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Trash Can

Trash Can Width (inches): 12 inches; Trash Can Depth (inches): 12 inches; Trash Can Height (inches): 20 inches; Bag Fit Allowance (inches): 6 inches

Bag Length Needed (inches): 26 inches; Bag Width Needed (inches): 25 inches; Suggested Bag Size: Large (e.g., 30-gallon)

Medium Trash Can

Trash Can Width (inches): 15 inches; Trash Can Depth (inches): 15 inches; Trash Can Height (inches): 25 inches; Bag Fit Allowance (inches): 6 inches

Bag Length Needed (inches): 31 inches; Bag Width Needed (inches): 31 inches; Suggested Bag Size: Large (e.g., 30-gallon)

Large Trash Can

Trash Can Width (inches): 20 inches; Trash Can Depth (inches): 20 inches; Trash Can Height (inches): 30 inches; Bag Fit Allowance (inches): 6 inches

Bag Length Needed (inches): 36 inches; Bag Width Needed (inches): 41 inches; Suggested Bag Size: Extra Large (e.g., 39-gallon or larger)

People Also Calculate

Related Calculators

Continue with another tool on a related topic.