Estimate Your Blood-Alcohol Level

Count your drinks and check opposite your body weight.
(1 drink = 12 oz Beer, 4 oz Wine, or 1 oz Hard Liquor)


Drinks
1
2
3
4
5
6
7
8
9
10
100 lb
.038
.075
.113
.150
.188
.225
.263
.300
.338

.375

120 lb
.031
.063
.094
.125
.156
.186
.219
.250
.281
.313
140 lb
.027
.053
.080
.107
.134
.161
.188
.214
.241
.268
160 lb
.023
.047
.070
.094
.117
.141
.164
.188
.211
.234
180 lb
.021
.042
.063
.083
.104
.125
.146
.167
.188
.208
200 lb
.019
.038
.056
.075
.094
.113
.131
.150
.169
.188
220 lb
.017
.034
.051
.068
.085
.102
.119
.136
.153
.170
240 lb
.016
.031
.047
.063
.078
.094
.109
.125
.141
.156

Subtract from this the % of Alcohol "Burned Up" during
the time elapsed from your first drink.

Hours since 1st Drink
1
2
3
4
5
6
Subtract...
.015
.030
.045
.060
.075
.090

The remainder is an estimate of the % of alcohol in your blood

Example 160 lb person has 7 drinks in 6 hours = .164 minus .090 = .074


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