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Tohnichi Reference Guide 2019
Torque Conversion List

kgf cm N m 1 kgf cm=0.0980665N m N m kgf cm 1N m=10.1972kgf cm
kgf m 1 kgf m=9.80665N m kgf m 1N m=0.101972kgf m
N·m kgf·cm
kgf·cm 0 1 2 3 4 5 6 7 8 9 N·m 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
10 0.981 1.08 1.18 1.27 1.37 1.47 1.57 1.67 1.77 1.86 1 10.2 11.2 12.2 13.3 14.3 15.3 16.3 17.3 18.4 19.4
20 1.96 2.06 2.16 2.26 2.35 2.45 2.55 2.65 2.75 2.84 2 20.4 21.4 22.4 23.5 24.5 25.5 26.5 27.5 28.6 29.6
30 2.94 3.04 3.14 3.24 3.33 3.43 3.53 3.63 4.71 3.82 3 4 30.6 41.8 32.6 33.7 34.7 35.7 36.7 37.7 38.7 39.8
3.73
31.6
Technical Data 50 4.90 5.00 5.10 5.20 5.30 5.39 5.49 7.55 5.69 5.79 5 6 7 51.0 52.0 53.0 54.0 55.1 56.1 57.1 58.1 59.1 60.2
4.12
4.22
47.9
4.31
4.02
3.92
48.9
50.0
4.41
42.8
45.9
44.9
43.8
40.8
4.61
4.51
4.81
46.9
40
5.59
64.2
65.3
66.3
61.2
62.2
63.2
70.4
68.3
69.3
67.3
6.67
5.88
60
6.57
6.28
6.18
6.08
6.47
6.37
5.98
6.77
77.5
78.5
73.4
80.6
74.4
72.4
75.5
76.5
79.5
71.4
7.16
7.75
7.65
7.45
7.26
7.35
7.06
6.86
6.96
70
80
91.8
96.9
95.9
94.8
101
92.8
93.8
97.9
98.9
99.9
9.12
9.02
8.92
9.51
9.41
9.71
9.61
9.22
9.32
8.83
90 7.85 7.94 8.04 8.14 8.24 8.34 8.43 8.53 8.63 8.73 8 9 81.6 82.6 83.6 84.6 85.7 86.7 87.7 88.7 89.7 90.8
100 9.81 9.90 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10 102 103 104 105 106 107 108 109 110 111
N·m kgf·m
kgf·cm 0 10 20 30 40 50 60 70 80 90 N·m 0 1 2 3 4 5 6 7 8 9
100 9.81 10.8 11.8 12.7 13.7 14.7 15.7 16.7 17.7 18.6 10 1.02 1.12 1.22 1.33 1.43 1.53 1.63 1.73 1.84 1.94
200 19.6 20.6 21.6 22.6 23.5 24.5 25.5 26.5 27.5 28.4 20 2.04 2.14 2.24 2.35 2.45 2.55 2.65 2.75 2.86 2.96
300 29.4 30.4 31.4 32.4 33.3 34.3 35.3 36.3 37.3 38.2 30 3.06 3.16 3.26 3.37 3.47 3.57 3.67 3.77 3.87 3.98
400 39.2 40.2 41.2 42.2 43.1 44.1 45.1 46.1 47.1 48.1 40 4.08 4.18 4.28 4.38 4.49 4.59 4.69 4.79 4.89 5.00
500 49.0 50.0 51.0 52.0 53.0 53.9 54.9 55.9 56.9 57.9 50 5.10 5.20 5.30 5.40 5.51 5.61 5.71 5.81 5.91 6.02
600 58.8 59.8 60.8 61.8 62.8 63.7 64.7 65.7 66.7 67.7 60 6.12 6.22 6.32 6.42 6.53 6.63 6.73 6.83 6.93 7.04
700 68.6 69.6 70.6 71.6 72.6 73.5 74.5 75.5 76.5 77.5 70 7.14 7.24 7.34 7.44 7.55 7.65 7.75 7.85 7.95 8.06
800 78.5 79.4 80.4 81.4 82.4 83.4 84.3 85.3 86.3 87.3 80 8.16 8.26 8.36 8.46 8.57 8.67 8.77 8.87 8.97 9.08
900 88.3 89.2 90.2 91.2 92.2 93.2 94.1 95.1 96.1 97.1 90 9.18 9.28 9.38 9.48 9.59 9.69 9.79 9.89 9.99 10.1
1000 98.1 99.0 100 101 102 103 104 105 106 107 100 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 11.0 11.1
N·m kgf·m
kgf·m 0 1 2 3 4 5 6 7 8 9 N·m 0 10 20 30 40 50 60 70 80 90
10 98.1 108 118 127 137 147 157 167 177 186 100 10.2 11.2 12.2 13.3 14.3 15.3 16.3 17.3 18.4 19.4
20 196 206 216 226 235 245 255 265 275 284 200 20.4 21.4 22.4 23.5 24.5 25.5 26.5 27.5 28.6 29.6
30 294 304 314 324 333 343 353 363 373 382 300 30.6 31.6 32.6 33.7 34.7 35.7 36.7 37.7 38.7 39.8
40 392 402 412 422 431 441 451 461 471 481 400 40.8 41.8 42.8 43.8 44.9 45.9 46.9 47.9 48.9 50.0
50 490 500 510 520 530 539 549 559 569 579 500 51.0 52.0 53.0 54.0 55.1 56.1 57.1 58.1 59.1 60.2
60 588 598 608 618 628 637 647 657 667 677 600 61.2 62.2 63.2 64.2 65.3 66.3 67.3 68.3 69.3 70.4
70 686 696 706 716 726 735 745 755 765 775 700 71.4 72.4 73.4 74.4 75.5 76.5 77.5 78.5 79.5 80.6
80 785 794 804 814 824 834 843 853 863 873 800 81.6 82.6 83.6 84.6 85.7 86.7 87.7 88.7 89.7 90.8
90 883 892 902 912 922 932 941 951 961 971 900 91.8 92.8 93.8 94.8 95.9 96.9 97.9 98.9 99.9 101
100 981 990 1000 1010 1020 1030 1040 1050 1060 1070 1000 102 103 104 105 106 107 108 109 110 111
? Unit of Torque and Conversion Values
S.I. unit system Metric unit system American unit system
mN·m cN·m N·m gf·cm kgf·cm kgf·m ozf·in lbf·in lbf·ft
1 mN·m = 1 0.10 0.001 10.2 0.0102 0.000102 0.142 0.00885 0.000738
1 cN·m = 10 1 0.01 102 0.102 0.00102 1.42 0.0885 0.00738
1 N·m = 1000 100 1 10200 10.2 0.102 142 8.85 0.738
1 gf·cm = 0.0981 0.00981 0.0000981 1 0.001 0.00001 0.0139 0.000868 0.0000723
1 kgf·cm = 98.1 9.81 0.0981 1000 1 0.01 13.9 0.868 0.0723
1 kgf·m = 9810 981 9.81 100000 100 1 1390 86.8 7.23
1 ozf·in = 7.06 0.706 0.00706 72.0 0.072 0.00072 1 0.0625 0.00521
1 lbf·in = 113 11.3 0.113 1150 1.15 0.0115 16 1 0.0833
1 lbf·ft = 1360 136 1.36 13800 13.8 0.138 192 12 1
Country/Region Japan, China, Europe Asia U.S.A., Aircraft industry
1 [N·m] = 10.1972 [kgf·cm] ? 10.20 [kgf·cm] 1 [kgf·cm] = 0.0980665 [N·m] ? 0.0981 [N·m]
Conversion example: T = 25·0 [kgf·cm] = 25.0 × 0.0980665 = 2.4516625 [N·m] ? 2.45 [N·m]
JCSS/Japan Calibration Service System
Tohnichi Mfg. Co. Ltd?s torque standards calibration laboratory is now an authorized calibration service provider of
JCSS/Japan Calibration Service System under Japanese measurement law. Registration number: JCSS0281
Based on this, Tohnichi has launched a JCSS calibration service for DOTE4-G torque wrench testers from 10 N·m to 1000
N·m and CEM3 digital torque wrenches as a validated JCSS system and an uncertainty certi?cate service for outside
of the above stated torque range.
Tohnichi issued JCSS calibration certi?cate is recognized internationally based on MRA/Mutual Recognition
Arrangement of ILAC/International Laboratory Accreditation Cooperation and APLAC/Asia Paci? c Laboratory
Accreditation Cooperation by IAJapan/International Accreditation Japan.
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