B & S GaugeDecimalMillimeter160.05121.3180.03941200.03230.82220.02520.64240.01970.5260.01570.1280.01180.3300.0110.25Remember that this is a close approximation. Screen resolution and monitor size will affect the view of our charts. You May Also Like...Wire Size ChartInch to Millimeter Conversion ChartWatch Parts Diagrams Illustrated Watch PartsJune 2017 Esslinger NewsletterWire Gauge Measurement ChartWire Gauge Conversion ChartMetal Melting Point ChartWire Gauge, MM, Inch Conversion Chart