Blood Alcohol Calculator (BAC)
Worked example result
| Estimated BAC | 0.088% |
| Pure alcohol consumed | 56 g |
Four standard drinks (56 g of alcohol) in an 80 kg man give a Widmark BAC of about 0.088% after one hour — above the 0.08% driving limit used in most of the US.
Widmark: BAC% = alcohol (g) ÷ (weight (kg) × r × 10) − 0.015 × hours, floored at 0 (r = 0.68 men, 0.55 women) · Powered by CalcHub — Blood Alcohol Calculator (BAC)