Spray Mix & Tank Calculator

Dial in your spray mix in seconds — oz/gal, oz per 1,000 sq ft, or % solution. Works offline. Metric supported.

Spray Mix & Tank Calculator gets you the right amount of product for your tank — fast. Built for pest control techs, lawn care pros, and homeowners mixing pesticides, herbicides, insecticides, fungicides, liquid fertilizer, disinfectants — any concentrate you mix with water.

THREE MODES • oz per gallon (or mL per L) • oz per 1,000 sq ft with application volume (or mL–g per 100 m²) • % solution with active-ingredient adjustment

BUILT FOR THE FIELD • Works fully offline — no account, no sign-up • Tank presets and metric/imperial toggle • Practical rounding with lbs/kg conversions • Loads per job: see how many tank fills a job takes • Share a clean mix card with your crew

NEW IN 1.9 • My Products — save your go-to products and rates, reload them in one tap • Barcode scan — point at the jug and jump straight to your saved mix • Spray Log — record every application (site, product, rate, notes) and export your records anytime

Enter the label rate, pick your tank size, tap Calculate. Done.

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.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/