This tool calculates the approximate pull between a disc magnet and a flat ground mild steel plate that the magnet is in contact with. All distance units must be in inches. Pull calculations are only approximate to +/- 20%

Scroll left and right
Inputs Magnet 1 Magnet 2  
Diameter Distance can be input in any units of measure
as long as they are consistent to each other.
Br (Gauss) Must be entered in gauss units.
Pull (ounces)

Pull (pounds)

Pull (grams)

*This is the orientation direction (the magnetic field flows through this direction)