A very helpful calculator for those that really need to know the pull-force of any rare earth magnet.
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.
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