You will find this chart very useful if you use something other than "Kgf.cm" and "gf.cm" to measure torque. How to convert 50 Kgf.cm to N.m? From the chart we know that 1 Kgf.cm = 0.098 N.m. Therefore, 50 Kgf.cm = 4.9 N.m.

unit	gf.cm	kgf.cm	N.m	mN.m	N.cm	lb.in	oz.in
gf.cm	1	0.001	0.000098	0.098	0.0098	0.000868	0.013889
kgf.cm	1000	1	0.098	98	9.8	0.868	13.889
N.m	10200	10.2	1	1000	100	8.85	141.64
mN.m	10.2	0.0102	0.001	1	0.1	0.00885	0.142
N.cm	102	0.102	0.01	10	1	0.0885	1.42
lb.in	1152	1.152	0.113	113	11.3	1	16
oz.in	72	0.072	0.00706	7.06	0.706	0.0625	1