You can use these charts to estimate your Breath Alcohol
Content (BAC reading) or Breathalyzer level. Using these charts,
which are based on a scientific formula known as Widmark's formula,
your attorney can help you calculate your probable breathalyzer level
to help explain errors that may have been made by a Breathalyzer
machine in your case. Some of the information on this page
is provided from the Washington Traffic Safety Commission.
Please do not use this information to estimate how much you can drink
and still drive safely, as it is not intended for that purpose and
each person processes alcohol differently.
To use these charts, find the number of drinks you consumed on the
vertical column, and the number of hours taken to consume those drinks
on the horizontal row. The BAC or Breathalyzer level result is
where the two intersect (.08 and higher marked in red).
Links:
Chart for 150 pound male
Chart for 175 pound male
Chart for 200 pound male
Chart for 140 pound female
Chart for 170 pound female
Chart for 200 pound female
|
Use this chart for a 150
pound male: |
|
Hours |
| Drinks |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
1 |
0.025 |
0.009 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
|
2 |
0.050 |
0.034 |
0.018 |
0.002 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
3 |
0.075 |
0.059 |
0.043 |
0.027 |
0.011 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
4 |
0.100 |
0.084 |
0.068 |
0.052 |
0.036 |
0.020 |
0.004 |
0.000 |
0.000 |
0.000 |
0.000 |
|
5 |
0.125 |
0.109 |
0.093 |
0.077 |
0.061 |
0.045 |
0.029 |
0.013 |
0.000 |
0.000 |
0.000 |
|
6 |
0.150 |
0.134 |
0.118 |
0.102 |
0.086 |
0.070 |
0.054 |
0.038 |
0.022 |
0.006 |
0.000 |
|
7 |
0.175 |
0.159 |
0.143 |
0.127 |
0.111 |
0.095 |
0.079 |
0.063 |
0.047 |
0.031 |
0.015 |
|
8 |
0.200 |
0.184 |
0.168 |
0.152 |
0.136 |
0.120 |
0.104 |
0.088 |
0.072 |
0.056 |
0.040 |
|
9 |
0.225 |
0.209 |
0.193 |
0.177 |
0.161 |
0.145 |
0.129 |
0.113 |
0.097 |
0.081 |
0.065 |
|
10 |
0.250 |
0.234 |
0.218 |
0.202 |
0.186 |
0.170 |
0.154 |
0.138 |
0.122 |
0.106 |
0.090 |
|
11 |
0.275 |
0.259 |
0.243 |
0.227 |
0.211 |
0.195 |
0.179 |
0.163 |
0.147 |
0.131 |
0.115 |
|
12 |
0.300 |
0.284 |
0.268 |
0.252 |
0.236 |
0.220 |
0.204 |
0.188 |
0.172 |
0.156 |
0.140 |
|
13 |
0.325 |
0.309 |
0.293 |
0.277 |
0.261 |
0.245 |
0.229 |
0.213 |
0.197 |
0.181 |
0.165 |
|
14 |
0.350 |
0.334 |
0.318 |
0.302 |
0.286 |
0.270 |
0.254 |
0.238 |
0.222 |
0.206 |
0.190 |
|
15 |
0.375 |
0.359 |
0.343 |
0.327 |
0.311 |
0.295 |
0.279 |
0.263 |
0.247 |
0.231 |
0.215 |
|
16 |
0.400 |
0.384 |
0.368 |
0.352 |
0.336 |
0.320 |
0.304 |
0.288 |
0.272 |
0.256 |
0.240 |
|
17 |
0.425 |
0.409 |
0.393 |
0.377 |
0.361 |
0.345 |
0.329 |
0.313 |
0.297 |
0.281 |
0.265 |
|
18 |
0.450 |
0.434 |
0.418 |
0.402 |
0.386 |
0.370 |
0.354 |
0.338 |
0.322 |
0.306 |
0.290 |
|
19 |
0.475 |
0.459 |
0.443 |
0.427 |
0.411 |
0.395 |
0.379 |
0.363 |
0.347 |
0.331 |
0.315 |
|
20 |
0.500 |
0.484 |
0.468 |
0.452 |
0.436 |
0.420 |
0.404 |
0.388 |
0.372 |
0.356 |
0.340 |
|
Use this chart for 175
pound male: |
|
Hours |
| Drinks |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
1 |
0.021 |
0.005 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
|
2 |
0.043 |
0.027 |
0.011 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
3 |
0.064 |
0.048 |
0.032 |
0.016 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
4 |
0.086 |
0.070 |
0.054 |
0.038 |
0.022 |
0.006 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
5 |
0.107 |
0.091 |
0.075 |
0.059 |
0.043 |
0.027 |
0.011 |
0.000 |
0.000 |
0.000 |
0.000 |
|
6 |
0.129 |
0.113 |
0.097 |
0.081 |
0.065 |
0.049 |
0.033 |
0.017 |
0.001 |
0.000 |
0.000 |
|
7 |
0.150 |
0.134 |
0.118 |
0.102 |
0.086 |
0.070 |
0.054 |
0.038 |
0.022 |
0.006 |
0.000 |
|
8 |
0.171 |
0.155 |
0.139 |
0.123 |
0.107 |
0.091 |
0.075 |
0.059 |
0.043 |
0.027 |
0.011 |
|
9 |
0.193 |
0.177 |
0.161 |
0.145 |
0.129 |
0.113 |
0.097 |
0.081 |
0.065 |
0.049 |
0.033 |
|
10 |
0.214 |
0.198 |
0.182 |
0.166 |
0.150 |
0.134 |
0.118 |
0.102 |
0.086 |
0.070 |
0.054 |
|
11 |
0.236 |
0.220 |
0.204 |
0.188 |
0.172 |
0.156 |
0.140 |
0.124 |
0.108 |
0.092 |
0.076 |
|
12 |
0.257 |
0.241 |
0.225 |
0.209 |
0.193 |
0.177 |
0.161 |
0.145 |
0.129 |
0.113 |
0.097 |
|
13 |
0.279 |
0.263 |
0.247 |
0.231 |
0.215 |
0.199 |
0.183 |
0.167 |
0.151 |
0.135 |
0.119 |
|
14 |
0.300 |
0.284 |
0.268 |
0.252 |
0.236 |
0.220 |
0.204 |
0.188 |
0.172 |
0.156 |
0.140 |
|
15 |
0.321 |
0.305 |
0.289 |
0.273 |
0.257 |
0.241 |
0.225 |
0.209 |
0.193 |
0.177 |
0.161 |
|
16 |
0.343 |
0.327 |
0.311 |
0.295 |
0.279 |
0.263 |
0.247 |
0.231 |
0.215 |
0.199 |
0.183 |
|
17 |
0.364 |
0.348 |
0.332 |
0.316 |
0.300 |
0.284 |
0.268 |
0.252 |
0.236 |
0.220 |
0.204 |
|
18 |
0.386 |
0.370 |
0.354 |
0.338 |
0.322 |
0.306 |
0.290 |
0.274 |
0.258 |
0.242 |
0.226 |
|
19 |
0.407 |
0.391 |
0.375 |
0.359 |
0.343 |
0.327 |
0.311 |
0.295 |
0.279 |
0.263 |
0.247 |
|
20 |
0.429 |
0.413 |
0.397 |
0.381 |
0.365 |
0.349 |
0.333 |
0.317 |
0.301 |
0.285 |
0.269 |
|
Use this Chart for a 200 pound male: |
|
Hours |
| Drinks |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
1 |
0.019 |
0.003 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
|
2 |
0.038 |
0.022 |
0.005 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
3 |
0.056 |
0.040 |
0.024 |
0.008 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
4 |
0.075 |
0.059 |
0.043 |
0.027 |
0.011 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
5 |
0.094 |
0.078 |
0.062 |
0.046 |
0.030 |
0.014 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
|
6 |
0.112 |
0.096 |
0.080 |
0.064 |
0.048 |
0.032 |
0.016 |
0.000 |
0.000 |
0.000 |
0.000 |
|
7 |
0.131 |
0.115 |
0.099 |
0.083 |
0.067 |
0.051 |
0.035 |
0.019 |
0.003 |
0.000 |
0.000 |
|
8 |
0.150 |
0.134 |
0.118 |
0.102 |
0.086 |
0.070 |
0.054 |
0.038 |
0.022 |
0.006 |
0.000 |
|
9 |
0.169 |
0.153 |
0.137 |
0.121 |
0.105 |
0.089 |
0.073 |
0.057 |
0.041 |
0.025 |
0.009 |
|
10 |
0.188 |
0.172 |
0.156 |
0.140 |
0.124 |
0.108 |
0.092 |
0.076 |
0.060 |
0.043 |
0.027 |
|
11 |
0.206 |
0.190 |
0.174 |
0.158 |
0.142 |
0.126 |
0.110 |
0.094 |
0.078 |
0.062 |
0.046 |
|
12 |
0.225 |
0.209 |
0.193 |
0.177 |
0.161 |
0.145 |
0.129 |
0.113 |
0.097 |
0.081 |
0.065 |
|
13 |
0.244 |
0.228 |
0.212 |
0.196 |
0.180 |
0.164 |
0.148 |
0.132 |
0.116 |
0.100 |
0.084 |
|
14 |
0.263 |
0.247 |
0.231 |
0.215 |
0.199 |
0.183 |
0.167 |
0.151 |
0.135 |
0.119 |
0.103 |
|
15 |
0.281 |
0.265 |
0.249 |
0.233 |
0.217 |
0.201 |
0.185 |
0.169 |
0.153 |
0.137 |
0.121 |
|