PestMath: Pesticide Calculator

Fast, easy, accurate pesticide mix and rate calculations for PCOs. Stop guessing and start mixing. Built by a pro for the field. Save rates and link SDS with PestMath.

PestMath is a fast, no-nonsense calculator built for pest control professionals, PCOs, and agricultural applicators. Designed for field use, it simplifies complex label math into instant, accurate mix rates so you can focus on the job at hand.

Whether you are in the truck, on-site, or prepping in the shop, PestMath eliminates guesswork and prevents product waste.

Key Features

Tank Mix Calculations: Quickly determine exactly how much concentrate and water you need for any tank size.

Versatile Application Rates: Supports broadcast, perimeter, and crack and crevice calculations.

Flexible Inputs: Mix by total volume, target area, or amount of product needed.

Built by a Pro: Designed by a licensed pest control professional specifically for the rigors of daily field work.

Units & Conversions: Handles the standard units used on EPA labels and SDS documents.

PestMath Pro (In-App Purchase)

Unlock advanced efficiency tools to streamline your workflow:

Favorites Library: Save your most-used products and custom rates for one-tap access.

Import/Export: Sync your saved product lists across devices or share them with your team.

Ad-Free: Remove all advertisements for a cleaner, faster interface.

Advanced Compliance: Early access to upcoming features including SDS linking and digital documentation tools.

PestMath is free to use with all core calculation features available at no cost. It is the essential digital toolbelt for residential, commercial, and farm pest management.

Privacy Here is what we collect and why: App performance data: device type, OS version, app version, and coarse location derived from public IP address. This helps us understand where the app is being used, which devices are in use, and which app versions are active. This data is retained for up to 90 days on servers we control. Google Firebase Analytics: anonymized usage data, including screen views, used to understand which features are used and how often. Google Mobile Ads: the free version of the app displays banner ads. If tracking is disabled, ads may be less relevant. If tracking is allowed, ads may be more relevant. WireStix Pro removes ads. Support contact information: if you contact support, you may provide your name and email address so we can reply. We do not use support emails for tracking. Support emails are deleted when no longer needed, or within 2 years. Safety We use analytics and operational data to detect abuse, scraping, misuse, and other activity that could interfere with the app or our systems.