Please explain the conversion math on a motor

I am looking for a high torque motor…this is what i was looking at RB-SCT-1017 Please explain 811.2 oz-in. thanks.

please explain the math conversion…811.2 oz-in

The value oz-in stands for ounce inch and are imperial units for torque. You can convert from ounce inches to other units here:
robotshop.com/blog/en/unit-c … -tool-9737
The most common metric unit seems to be Kg-cm.