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Spreader Calculator

Particle Size
Spreader
Speed
Product Density lbs/ft3
Pounds of
Pounds of Product Per 1000 ft2

Setting

Disclaimer

This spreader settings calculator should be used only for initial spreader settings. You may need to adjust the setting calculated below depending on walking speed, spreader condition, and specific product. Harrell's recommends you calibrate your spreader on a regular basis.

NOTE: For walk-behind spreaders, calculations are based on a fixed walking speed of 4 mph.