๐Ÿบ

BAC Calculator

Estimate blood alcohol content using the Widmark formula

โš ๏ธ For reference only. Actual BAC varies greatly by individual. Never drive after drinking.

๐Ÿ’ก Korea DUI Thresholds

  • License suspension: BAC โ‰ฅ 0.03%
  • License revocation / criminal charge: BAC โ‰ฅ 0.08% or 3rd+ offense
  • Widmark elimination rate: ~0.015% BAC per hour (individual variation applies)
  • This is an estimate only โ€” never drive after drinking alcohol

Frequently Asked Questions

What is the Widmark formula?

BAC(%) = (alcohol consumed (g) ร— 0.7984) รท (body weight (kg) ร— distribution factor ร— 10). Male distribution factor: 0.52; female: 0.45. Alcohol weight: volume ร— ABV% ร— 0.7984.

How fast does BAC drop?

The liver eliminates approximately 0.015% BAC per hour on average. Factors like liver health, food intake, fatigue, and medications can shift this significantly. Never rely on a formula to decide if you're safe to drive.

What is Korea's DUI limit?

License suspension starts at 0.03% BAC. License revocation and criminal prosecution begins at 0.08% BAC or after a third offense. Penalties include fines, imprisonment, and a permanent driving ban for severe cases.