Convert 1 1 per Foot to 1 per Millimeter

1 ft⁻¹ (1 per Foot) is equal to 0.0032808398950000023 mm⁻¹ (1 per Millimeter). To convert from 1 per Foot to 1 per Millimeter, multiply by 0.0032808398950000027 or divide by 304.80000000121896.

• 1 ft⁻¹ × 0.003280839895 = 0.003280839895 mm⁻¹
• 1 ft⁻¹ ÷ 304.80000000122 = 0.003280839895 mm⁻¹