Blood Alcohol Percentage Charts

Approximate Blood Alcohol Percentage In One Hour For A Woman

Source: National Highway Traffic Safety Administration

Approximate Blood Alcohol Percentage In One Hour For A Woman

Drinks	Body Weight in Pounds								Influenced
	100	120	140	160	180	200	220	240
1	.05	.04	.03	.03	.03	.02	.02	.02	Possibly
2	.09	.08	.07	.06	.05	.05	.04	.04
3	.14	.11	.11	.09	.08	.07	.06	.06	Impaired
4	.18	.15	.13	.11	.10	.09	.08	.08
5	.23	.19	.16	.14	.13	.11	.10	.09	Legally Intoxicated
6	.27	.23	.19	.17	.15	.14	.12	.11
7	.32	.27	.23	.20	.18	.16	.14	.13
8	.36	.30	.26	.23	.20	.18	.17	.15
9	.41	.34	.29	.26	.23	.20	.19	.17
10	.45	.38	.32	.28	.25	.23	.21	.19

Approximate Blood Alcohol Percentage In One Hour For A Man

Source: National Highway Traffic Safety Administration

Approximate Blood Alcohol Percentage In One Hour For A Man

Drinks	Body Weight in Pounds								Influenced
	100	120	140	160	180	200	220	240
1	.04	.03	.03	.02	.02	.02	.02	.02	Possibly
2	.08	.06	.05	.05	.04	.04	.03	.03
3	.11	.09	.08	.07	.06	.06	.05	.05	Impaired
4	.15	.12	.11	.09	.08	.08	.07	.06
5	.19	.16	.13	.12	.11	.09	.09	.08	Legally Intoxicated
6	.23	.19	.16	.14	.13	.11	.10	.09
7	.26	.22	.19	.16	.15	.13	.12	.11
8	.30	.25	.21	.19	.17	.15	.14	.13
9	.34	.28	.24	.21	.19	.17	.15	.14
10	.38	.31	.27	.23	.21	.19	.17	.16

Blood Alcohol Chart (PDF)

Subtract .015 for each hour after drinking.

One drink is based on 1.5 oz. of 80 proof liquor (40%), 12 oz. beer (4.5%), or 5 oz. wine (12%).

Note: The figures are averages and may vary based on the amount of food in your stomach.

INTOXICATION:

• Not having normal use of mental or physical faculties by reason of the introduction of:
  • Alcohol;
  • controlled substance; or
  • combination.
• Having a BAC of 0.08 or more.

Texas Penal Code §49.01