Newton per millimeter to Pound-force per inch
Use our spring constant converter to convert Newton per millimeter to Pound-force per inch instantly. Enter a value and get the exact equivalent.
1 Newton per millimeter equals approximately 5.71015 Pound-force per inch.
5.710147155
1 Newton per millimeter (N/mm) = 5.710147155 Pound-force per inch (lbf/in)