AgChemicalCalc – Your Field Chemical Calculator
AgChemicalCalc is the ultimate tool for farmers, agronomists, and spray operators who need precise, reliable chemical calculations for their fields and sprayer tanks. Designed for simplicity and accuracy, this app allows you to calculate chemical requirements quickly and efficiently — entirely offline. The benefit of this app is no complex and expensive farm management software required, just a lightweight pdf reader and calculator. Currently Image based PDF's are not supported.
Avoid unreliable, inconsistent AI-generated results.
This app performs all calculations locally using fixed formulas, ensuring the same accurate result every time. No AI processing, no internet connection, and no variation — just consistent, repeatable spray calculations you can trust.
Key Features:
Rate Calculations Made Easy: Enter your field size and tank capacity, upload your chemical order PDF, and AgChemicalCalc calculates:
Rate per hectare/acre
Brew tank total (amount to fill each tank)
Total chemical required for the field
Number of litres (water) and total brews needed.
Works Offline: No internet connection required. All calculations are performed locally on your device.
Supports Multiple Units: Works with kg, L, qt, gal, and more, allowing flexibility across regions and chemical types.
Easy PDF Input: Upload standard chemical order PDFs, and the app parses chemical names and application rates automatically.
Accurate & Safe: Designed for real-world agronomy applications. Always double-check PDF formats, but calculations are precise and ready for practical use.
User-Friendly Interface: Simple, clean, and clear interface with color-coded results, making it easy to read and use in the field.
Who Can Use AgChemicalCalc?
Farmers managing large fields or multiple paddocks
Agronomists creating chemical recommendations for clients
Contractors filling sprayer tanks
Anyone who wants quick, accurate chemical calculations
Why AgChemicalCalc?
Reduces costly human errors in chemical calculations
-> First test farmer Quote "Already saved us a very costly chemical mistake in the first week with a new operator".
Speeds up field preparation
Helps avoid over- or under-application
Fully offline for remote locations
Lightweight and fast
**Developer would be interested in adding link option (OneDrive/Google) if required, or other doc types based on user requirements, please get in touch for extra features if needed.
Important Notes:
This app does not collect or share personal data.
OCR (scanned PDFs/photos) is not currently supported. Ensure PDFs are in a text-readable format.
Always follow chemical label instructions and local regulations and any relevant operator/applicator training.
Contact Us:
For questions, support, or feedback, email: aghire.au@gmail.com
AgChemicalCalc – Reliable, offline, accurate chemical calculations at your fingertips.
Check out our other apps.
-AgHire
-AgCalc