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Magnet Calculator



ABOUT SSL CERTIFICATES
 
Discs
Cylinders
Disc
 
Blocks
Block
 
Rings
Ring
Grade
 
Diameter:
 
Thickness:
 
Distance:
 
 
Pull Force Case 1:
Magnet to a Steel Plate:
0.00 lb
    Force vs. Distance
Force (lb) LC chart
distance (in)
Click for larger chart
Pull Force Case 2:
Between 2 Steel Plates:
0.00 lb
    Force vs. Distance
Force (lb) LC chart
distance (in)
Click for larger chart
Pull Force Case 3:
Magnet to Magnet:
0.00 lb
    Force vs. Distance
Force (lb) LC chart
distance (in)
Click for larger chart
Surface Field (on axis)*: 0 Gauss
Permeance Coefficient (Pc)*: 0
See the
Magnetic Field


Click here to go to our Repelling Force Magnet Calculator that shows the repelling force generated between two same-sized magnets.

Most online calculators determine pull force based on a theoretical calculation of the flux density. With a few assumptions, flux density (in Gauss) can be related to the expected pull force. Unfortunately, this simplification often fails to match experimentally measured data.

This page calculates expected pull forces based on extensive product testing. The Surface Field data is only valid for points along the center axis of the magnet, and assumes a single magnet in free space.

All dimensions and distances must be in decimal format. Fractional inches will not calculate correctly.

This calculator only considers discs, cylinders and rings that are magnetized along the clyindrical axis. While K&J Magnetics offers diametrically magnetized discs, this calculator does not apply to them.

NOTE:
This calculator is currently a beta version and is intended only for reference. K&J Magnetics, Inc. will not be held liable for its use. All calculations are approximations and should not be used as the sole source of design data. The factors of your application may change these values considerably. Be sure to test magnets in your configuration.

Please report any troubles, concerns or suggestions about this calculator to: contactus@kjmagnetics.com.

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