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Blacksmithing
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by Gérard HEUTTE

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Conversion tables for units

This page provides conversion tables for anglo-saxon and metric measuring units...

Temperature
Here is the general formula: Fahrenheit = 32 + Centigrade X 1.8

To convert °C into °F: Multiply by 9, divide by 5, add 32.
To convert °F into °C: Subtract 32, multiply by 5, divide by 9.

And a table with some useful temperatures:

°F
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
+5
+10
+20
+50

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°C
10
38
66
93
121
149
177
204
232
260
288
316
343
371
399
427
482
538
593
649
704
760
816
871
927
982
1038
1093
1149
1204
1260
1316
1371
1427
1482
+3
+5
+11
+28

°C
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
1250
1300
1350
1400
+5
+10
+20

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°F
77
122
167
212
257
302
347
392
437
482
527
572
617
662
707
752
842
932
1022
1112
1202
1292
1382
1472
1562
1652
1742
1832
1922
2012
2102
2192
2282
2372
2462
2552
+9
+18
+36

Distance
The basic Anglo-Saxon unit is the inch which is worth 25.4 millimetres.
There too, a table will help with conversion. The diameters are often given in fraction of inches in the Anglo-Saxon references.

Inch
1/64
1/32
3/64
1/16
3/32
1/8
5/32
3/16
7/32
1/4
9/32
5/16
11/32
3/8
1/2
5/8
3/4
7/8

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mm
0.40
0.79
1.19
1.59
2.38
3.18
3.97
4.76
5.56
6.35
7.14
7.94
8.73
9.53
12.70
15.88
19.05
22.23

Inch
1
2
3
4
5
6
7
8
9
10

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mm
25.4
50.8
76.2
101.6
127
152.4
177.8
203.2
228.6
254

Mass
The common metric units for mass are : Kilogram and gram.
The common Anglo-Saxon units for mass are : Pound and ounce.

Conversion pound (lb) - kilogram (kg):
1kg = 2.2lb
1lb = 0.45kg

Conversion ounce (oz) - gram (g):
1g = 0.04oz
1oz = 28.35g