Grain Bunker Calculator
Fill out the form below to access the Grain Bunker Calculator
Plan Your Grain Storage with Confidence
The Polytex Grain Bunker Calculator helps you plan, calculate and prepare your grain storage efficiently. With just a few simple inputs, you can determine your bunker capacity and exactly what you need to build an efficient, reliable grain bunker.
What the Polytex Grain Bunker Calculator Determines
Our calculator provides accurate estimates for the:
- The Total Volume of your Grain Bunker
- The Total Weight of your Grain Bunker.
- Overall Square Metres and Dimensions of your Bunker
- The Height of your Grain Stack
- Recommended Bunker Tarp Sizing and Quantity
- Recommended Ground Sheet Sizing and Quantity
These results help you plan your setup and order the right tarps and covers.
How to Use the Calculator
Select Your Grain Type
Choose from wheat, barley, oats, sorghum, or other grains.
Select Your Top Cover and Ground Sheet Material
Choose from the standard fabrics available.
Enter Your Bunker Dimensions
Input the wall height, width, and length of your planned bunker.
View Your Results
See the total volume, weight, and recommended tarp and ground sheet sizes instantly.
Plan and Request a Quote
Submit a quote request and get an estimate from the Polytex team on the right covers for your operation.
Polytex: First in Grain Bunker Storage
Polytex is Australia’s most trusted manufacturer of grain bunker covers. We are equipped to respond quickly to the demands of growers and grain handlers to produce large numbers of tarps and ground sheets promptly as well as arrange for quick transportation Australia-wide.
Looking for expert advice on material selection, installation and maintenance?
Grain Bunker Packages
To meet the needs of Australian farmers, Polytex can supply an ‘On-Farm Grain Bunker Package’ for your preferred storage capacity.
Grain packages comes with everything you need to setup a grain bunker, along with tips and free advice on bunker construction and the whole grain storage process.
Why Choose Polytex Grain Bunkers
When it comes to protecting your harvest, quality and reliability matter. Our Grain Bunkers are engineered for Australian conditions delivering strength, flexibility and long-term performance season after season.
Built for Performance
● Made from tough, UV-stabilised materials
● Custom sizing available for any operation
● Easy to install and maintain
● Proudly Australian-made for local conditions
Trusted by Farmers Nationwide
With over three decades of experience as Australia’s leading provider of agricultural protection products, Polytex provides high-performance grain storage solutions trusted by farmers nationally. Our bunkers and covers are built to last, offering long-lasting protection and peace of mind through every harvest.
Ready to upgrade your grain storage?
Explore our full range of Grain Protection Products. Durable, Australian-made, and designed to protect your harvest all year.
FAQs
The calculator estimates total bunker volume, bunker weight, overall dimensions, stack height and recommends tarp and ground sheet sizes and quantities for efficient on-farm storage.
Yes. The calculator supports multiple grain types including wheat, barley, oats, sorghum, chickpeas, rice, rye and soya bean, taking into account differences in bulk density and angle of repose.
Yes. Polytex offers complete packages including tarps, ground sheets, securing options and expert advice for setup and maintenance.
Absolutely. In addition to standard sizes, Polytex manufactures custom tarps and covers to match your bunker dimensions, ensuring optimal protection for your grain.
Made from heavy-duty, UV-stabilised materials, Polytex covers are designed to last multiple harvest seasons with proper storage, handling and care.
No. Our grain bunkers are designed for easy installation with standard farm equipment and minimal setup time.
Call Polytex at 1300 059 003, email [email protected] or contact us online for a personalised quote and expert advice on your grain storage needs.