This tool calculates flux density on the centerline and at the mid-point of two rectangular magnets yoked together in attracting positions, at a distance of X from the surface of the magnets. (X must be greater than 0.)

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

Results are in gauss.
*This is the orientation direction (the magnetic field flows through this direction)