The proper way to express torque units is lbf·ft or N·m | Morehouse Instrument Company, Inc.
VTSYIQI ANH Digital Torsional Spring Tester ANH-10 Spring test machine 10N.m with Built in Printer Division value 0.001N.m Accuracy +1% and Three unit conversion N·m kgf·cm Ibf·in - - Amazon.com
General Torque Information
Conversion Tables | Fabory
Lightweight Full-featured Unit Conversion Library - convert.js | CSS Script