Spot Spray Calculator figures tank-mix amounts from label rate (per acre or hectare) or percentage solution. Use it for any product in a spot-spray tank mix—including pesticides—not just one chemical type. Save recipes, sync across iPhone, iPad, and Mac.
iPhone & iPad (iOS/iPadOS 18.0+) · Mac (macOS 15.0+, native)
For support, questions, or feedback, please use our feedback form:
Feedback: Keene Apps feedback form
Platforms: iPhone, iPad, and Mac
No personal data collected. Data stays on your device; recipes may sync via iCloud.
⚠️ Important Safety Notice
This calculator is provided for informational purposes only. Always follow the manufacturer's label directions precisely. The developer assumes no liability for any damages, crop injury, losses, or adverse outcomes resulting from use of this application. Crop injury or poor results may occur from factors beyond one's control (e.g., weather conditions, improper application, equipment malfunction, or environmental factors). Users assume all risks and responsibilities when using this tool.
Important: Always read agrochemical labels for all warnings and directions before use. This app is a calculation tool only and does not replace professional agricultural advice or product label instructions.
Acceptance: By using Spot Spray Calculator, you accept this disclaimer and all associated risks.