BAC Formula:
$$\text{BAC}_{\text{Female}}\;=\;\frac{\left(10\text{N}\;-\;7.5\text{H}\right)}{5.5\text{M}}$$
$$\text{BAC}_{\text{Male}}\;=\;\frac{\left(10\text{N}\;-\;7.5\text{H}\right)}{6.8\text{M}}$$
Where,
- BAC shows blood alcohol content.
- N is the number of standard drinks consumed.
- H show drinking hours.
- M is the mass of kilograms.
Blood Alcohol Level Chart for Females
| Drinks in 1 hr | 100 lbs | 120 lbs | 140 lbs | 160 lbs | 180 lbs | 200 lbs | 220 lbs | 240 lbs |
|---|---|---|---|---|---|---|---|---|
| 1 | 0.05 | 0.04 | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 |
| 2 | 0.09 | 0.08 | 0.07 | 0.06 | 0.05 | 0.05 | 0.04 | 0.04 |
| 3 | 0.14 | 0.11 | 0.11 | 0.09 | 0.08 | 0.07 | 0.06 | 0.06 |
| 4 | 0.18 | 0.15 | 0.13 | 0.11 | 0.10 | 0.09 | 0.08 | 0.08 |
| 5 | 0.23 | 0.19 | 0.16 | 0.14 | 0.13 | 0.11 | 0.10 | 0.09 |
| 6 | 0.27 | 0.23 | 0.19 | 0.17 | 0.15 | 0.14 | 0.12 | 0.11 |
Blood Alcohol Level Chart for Males
| Drinks in 1 hr | 100 lbs | 120 lbs | 140 lbs | 160 lbs | 180 lbs | 200 lbs | 220 lbs | 240 lbs |
|---|---|---|---|---|---|---|---|---|
| 1 | 0.04 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
| 2 | 0.08 | 0.06 | 0.05 | 0.05 | 0.04 | 0.04 | 0.03 | 0.03 |
| 3 | 0.11 | 0.09 | 0.08 | 0.07 | 0.06 | 0.06 | 0.05 | 0.05 |
| 4 | 0.15 | 0.12 | 0.11 | 0.09 | 0.08 | 0.08 | 0.07 | 0.06 |
| 5 | .19 | .16 | .13 | .12 | .11 | .09 | .09 | .08 |
| 6 | 0.23 | 0.19 | 0.16 | 0.14 | 0.13 | 0.11 | 0.10 | 0.09 |
