Alcohol Content Strength Conversion

Alcohol Content Strength Conversion
Percent by Volume (SI-System) U.S.A. United Kingdom Notes
° / Gradi / ABV
degrees Gay-Lussac		 Proof ° Proof  
% Vol. U.S. Proof Br. Proof  
40,0% 80 70,00 Minimum for Scotch Whisky
41,0% 82 71,75  
42,0% 84 73,50  
43,0% 86 75,25 often used
44,0% 88 77,00  
45,0% 90 78,75  
46,0% 92 80,50 often used
47,0% 94 82,25  
48,0% 96 84,00  
49,0% 98 85,75  
50,0% 100 87,50 often used
51,0% 102 89,25  
52,0% 104 91,00  
53,0% 106 92,75  
54,0% 108 94,50  
55,0% 110 96,25  
56,0% 112 98,00  
57,0% 114 99,75  
57,143% 114,286 100,00 100 proof, full proof, gunpowder test just burns
58,0% 116 101,50  
59,0% 118 103,25  
60,0% 120 105,00 often used
61,0% 122 106,75  
62,0% 124 108,50  
63,0% 126 110,25  
64,0% 128 112,00  
65,0% 130 113,75  
66,0% 132 115,50  
67,0% 134 117,25  
68,0% 136 119,00  
69,0% 138% 120,75  
70,0% 140 122,50  
71,0% 142 124,25  
72,0% 144 126,00  
73,0% 146 127,75  
74,0% 148 129,50  
75,0% 150 131,25  
76,0% 152 133,00  
77,0% 154 134,75  
78,0% 156 136,50  
79,0% 158 138,25  
80,0% 160 140,00  
81,0% 162 141,75  
82,0% 164 143,50  
83,0% 166 145,25  
84,0% 168 147,00  
85,0% 170 148,75  
86,0% 172 150,50  
87,0% 174 152,25  
88,0% 176 154,00  
89,0% 178 155,75  
90,0% 180 157,50  
91,0% 182 159,25  
92,0% 184 161,00  
93,0% 186 162,75  
94,0% 188 164,50  
95,0% 190 166,25  
96,0% 192 168,00  
97,0% 194 169,75  
98,0% 196 171,50  
99,0% 198 173,25  
100,0% 200 175,00 pure alcohol
  = % x 2 = % / 4 x 7  
Hydrometer mesurement at a temperatur of 20,0° C Hydrometer mesurement at a temperatur of 60° F = 15,5° C Hydrometer mesurement at a temperatur of 60° F = 15,5° C