1-1/2" → 36mm Metric
The nearest metric equivalent of 1-1/2" is 36mm (2.10mm difference).
A 1-1/2" socket or wrench (38.10mm) is closest to 36mm metric, a difference of 2.10mm. The gap is significant — using the metric size risks rounding the fastener. Use the correct imperial socket.
The 2.10mm difference may cause the socket to slip or round the fastener head. Use the correct imperial size whenever possible.
Related Sizes
About 1-1/2" Conversion
A 1-1/2" imperial socket or wrench (38.10mm) is closest to 36mm metric, with a difference of 2.10mm. The gap between sizes is significant — using the metric substitute risks rounding the fastener head. Always use the correct imperial socket. The second-nearest metric size is 34mm (34mm, 4.10mm off). Heavy equipment and industrial. A combination metric and SAE socket set is the best way to handle mixed fasteners without risking damage.