Supported Features
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Dark Interface
Pesticide Mix Calculator
Spray Mix Rates for Pros
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Free for pros. No login, no account. Instant spray mix rates offline - attics, basements, rural sites. Trusted by PCOs, turf managers & ag applicators.
On the job with a 25-gallon tank? Label says 2 oz/gal? Done in 2 seconds. Pesticide Mix Calculator gives pest control techs, turf managers, lawn care pros, and ag applicators instant, accurate spray mix rates - offline, no account needed.
THREE CALCULATION MODES:
oz/gal (or mL/L): Enter your label rate and tank size.
Area-Based (sq ft/acre): Enter rate, area, and application volume.
% Solution: Enter desired concentration with optional Active Ingredient % adjustment.
BUILT FOR THE FIELD:
Works Offline: Calculations run fully on-device - attics, basements, and rural job sites with zero signal.
Zero Latency: Results update in real-time as you type - no Calculate button required.
Precision Options: Get the exact chemical amount (2 decimal places) AND a Practical Value rounded to the nearest 0.25 oz for easy pouring.
Tank Presets: Quick-select 1, 2, 4, 25, 50, or 100 gallons, or enter a custom size.
Metric & Imperial: Full support for Liters, Milliliters, Hectares, and all standard US units.
Dark & Light Modes: High-contrast dark theme for dim crawlspaces, light mode when you need it.
History & Sharing: Save your mixes with a product name and share them as professional image cards with your team.
WHO USES PESTICIDE MIX CALCULATOR?
Professional Pest Control Operators, Turf Managers, Landscape Technicians, and Agricultural Applicators. Whether you're running a 1-gallon hand pump or a 100-gallon truck sprayer, this app ensures your dilution matches the label every single time.
IMPORTANT:
This app is a calculator only. It does not recommend rates, validate labels, or provide pesticide advice. Always read and follow the specific product label for the chemical you are applying.
Ratings & Reviews
-Updates to some UI functionality
The developer, Mike Watson, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- Mike Watson
- Size
- 47.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Annual $9.99
- Pro Monthly $0.99
- Pro Lifetime $17.99
- Copyright
- © 2026 Mike Watson