Pesticide Mix Calculator

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.