Magnet-to-Magnet Force Calculator

Computed by numerically integrating the magnetic surface-charge (Coulombian) model over both facing pole faces — the standard textbook method for permanent-magnet force calculations — assuming uniform magnetization, perfect coaxial alignment (no lateral offset), and free space between the magnets (no nearby steel to concentrate or short the field). Real-world results vary with magnetization uniformity and alignment; treat this as an engineering estimate, not a certified value.