As we know One kg·mm² is equal to 0.0034171719 lb·in² (1 kg·mm² = 0.0034171719 lb·in²).

To convert Kilogram Square Millimeter to Pound Square Inch, multiply your kg·mm² figure by 0.0034171719.

Example : convert 25 kg·mm² to lb·in²:

25 kg·mm² = 25 × 0.0034171719 lb·in² = lb·in²

To convert Pound Square Inch to Kilogram Square Millimeter, divide your lb·in² figure by 0.0034171719.

Example : convert 25 lb·in² to kg·mm²:

25 lb·in² = 25 ÷ 0.0034171719 kg·mm² = kg·mm²