Pest calculators

Each calculator runs in your browser and shows the math and the sources it uses. They help you plan. They do not replace a product label or a licensed pest professional.

• Mouse trap calculator

  Work out how many mouse traps to set from the feet of wall where you see signs, using the 6 to 10 foot spacing extension programs recommend.

• Cockroach population calculator

  Estimate how fast a German cockroach population can grow from a few females, using egg counts and generation times from NC State and UC IPM.

• Termite bait station calculator

  Estimate how many in-ground termite bait stations go around your house from its size, using the 10 to 20 foot spacing Purdue and NC State Extension describe.