Blood-Alcohol Content Calculator

  Beer Wine Shot
Fluid Ounces Fluid Ounces 4 1.5
Alcohol Content 4% - 4.5% 15% - 20% 30% - 50%

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BAC Level Percentage Effects

.03 to .12 Feeling of increased confidence, sense of daring. Look flushed or red in face. Trouble with fine actions, such writing.
.09 to .25 Trouble focusing, slow reactions, sleepy, stumble often or lose balance easily.
.18 to .30 Confusion, dizziness, slurred speech and lack of muscle coordination.
Above .25 Serious health issues, including death.

BAC Comparison Over Time Chart

DRINKS
Body weight 1 2 3 4 5 6 7 8 9 10 11 12
100 lb. .038 .075 .113 .150 .188 .225 .263 .300 .338 .375 .413 .450
110 lb. .034 .066 .103 .137 .172 .207 .241 .275 .309 .344 .379 .412
120 lb. .031 .063 .094 .125 .156 .188 .219 .250 .281 .313 .344 .375
130 lb. .029 .058 .087 .116 .145 .174 .203 .232 .261 .290 .320 .348
140 lb. .027 .054 .080 .107 .134 .161 .188 .214 .241 .268 .295 .321
150 lb. .025 .050 .075 .100 .125 .151 .176 .201 .226 .251 .276 .301
160 lb. .023 .047 .070 .094 .117 .141 .164 .188 .211 .234 .258 .281
170 lb. .022 .045 .066 .088 .110 .132 .155 .178 .200 .221 .244 .265
180 lb. .021 .042 .063 .083 .104 .125 .146 .167 .188 .208 .229 .250
190 lb. .020 .040 .059 .079 .099 .119 .138 .158 .179 .198 .217 .237
200 lb. .019 .038 .056 .075 .094 .113 .131 .150 .169 .188 .206 .225
210 lb. .018 .036 .053 .071 .090 .107 .125 .143 .161 .179 .197 .215
220 lb. .017 .034 .051 .068 .085 .102 .119 .136 .153 .170 .188 .205
230 lb. .016 .032 .049 .065 .081 .098 .115 .130 .147 .163 .180 .196
240 lb. .016 .031 .047 .063 .078 .094 .109 .125 .141 .156 .172 .188

Disclaimer

The Blood Alcohol Calculator is for information only. This conversion is not completely accurate and should not be used to determine if you are capable of driving. Your actual Blood Alcohol Level may vary, depending upon many factors, including body type, sex, health status, and many others. Every effort is made to ensure that the results yielded by the Blood Alcohol Calculator are correct; however, do not rely upon this information to decide whether or not it is safe or lawful to drive. Because impairment may occur at any Blood Alcohol Level, we can only recommend that you not drive with any measurable amount of alcohol in your system.