Conversion Calculators

Inches to Millimeters
Millimeters to Inches
Pounds to Kilograms
Kilograms to Pounds
Metric Tons to Pounds
Metric Tons to Tons
Fahrenheit to Celsius
Celsius to Fahrenheit
ft/lbs to Joules
Joules to ft/lbs
MPa to psi
MPa to ksi
psi to MPa
ksi to MPa

Carbon Equivalency Formula
Brinell/Rockwell/Tensile Chart
PcM Formula

Brinell	Rockwell C	Rockwell B	Rockwell A	Tensile (ksi)
745	65.3	-	84.1	-
712	-	-	-	-
682	61.7	-	82.2	-
653	60.0	-	81.2	-
627	58.7	-	80.5	-
601	57.3	-	79.8	-
578	56.0	-	79.1	-
555	54.7	-	78.4	298
534	53.5	-	77.8	288
514	52.1	-	76.9	274
495	51.0	-	76.3	264
477	49.6	-	75.6	252
461	48.5	-	74.9	242
444	47.1	-	74.2	230
429	45.7	-	73.4	219
415	44.5	-	72.8	212
401	43.1	-	72.0	202
388	41.8	-	71.4	193
375	40.4	-	70.6	184
363	39.1	-	70.0	177
352	37.9	-	69.3	170
341	36.6	-	68.7	163
331	35.5	-	68.1	158
321	34.3	-	76.5	152
311	33.1	-	66.9	147
302	32.1	-	66.3	143
293	30.9	-	65.7	139
285	29.9	-	65.3	135
277	28.8	-	64.6	131
269	27.6	-	64.1	128
262	26.6	-	63.6	125
255	25.4	-	63.0	121
248	24.2	-	62.5	118
241	22.8	100.0	61.8	114
235	21.7	99.0	61.4	111
229	20.5	98.2	60.8	109
223	-	97.3	-	104
217	-	96.4	-	103
212	-	95.5	-	100
207	-	94.6	-	99
201	-	93.8	-	97
197	-	92.8	-	94
192	-	91.9	-	92
187	-	90.7	-	90
183	-	90.0	-	89
179	-	89.0	-	88
174	-	87.8	-	86
170	-	86.8	-	84
167	-	86.0	-	83
163	-	85.0	-	82
156	-	82.9	-	80
149	-	80.8	-	-
143	-	78.7	-	-
137	-	76.4	-	-
131	-	74.0	-	-
126	-	72.0	-	-
121	-	69.8	-	-
116	-	67.6	-	-
111	-	65.7	-	-