DUI Blood Alcohol Calculator
Simulate DUI penalties under Korean traffic law from BAC and prior offenses. Calculates license suspension, fines, criminal penalties, and insurance surcharges.
WARNING: Drunk driving is a criminal offense in Korea. This simulator is for informational purposes only — not legal advice.
License Disposition
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Expected Fine Range
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Criminal Penalty
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Total Estimated Cost
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Notice: Based on the Korean Road Traffic Act 2026. Actual penalties may vary by court ruling and individual circumstances. This is not legal advice.
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How to read the DUI Blood Alcohol Calculator result
DUI Blood Alcohol Calculator is most useful when it is treated as a quick decision aid, not as a standalone answer. Enter clean inputs, compare the result with a related tool, and keep the final decision tied to the real context behind the numbers or text.
Check the input first
A small typo, wrong unit, or missing condition can change the DUI Blood Alcohol Calculator output. Recheck the input before copying, saving, or sharing the result.
Compare one related signal
Use another MillionsCode tool or hub to confirm the same decision from a different angle. This reduces mistakes when the result affects money, health, publishing, or planning.
Keep the result reusable
If the result is something you will revisit, copy it into your notes with the date and the assumption you used. A saved result without its assumption is easy to misread later.
Use guides for edge cases
When the result feels close to a limit, read the related guide before acting. Calculators and browser tools are fast, but rules, fees, policies, and personal conditions can change the final answer.
Before you act on the result
Use this short checklist before treating the DUI Blood Alcohol Calculator result as final. It helps separate a quick browser calculation from a real decision that may affect money, publishing, travel, health, study, or work.
Is the result sensitive to one input?
If one value can change the answer heavily, run the tool twice with a conservative and an optimistic assumption. The difference between those two results is often more useful than a single exact number.
Does the result need a date?
Many decisions depend on the date of the calculation. Exchange rates, search demand, platform rules, fees, and personal conditions move over time, so save the date with the result when you plan to reuse it.
Can another tool confirm it?
When the result leads to a real action, open one related tool or guide and check whether the same direction still makes sense. This is especially important for finance, SEO, crypto, tax, health, and publishing decisions.
Is there a policy or local rule behind it?
A browser tool cannot know every local rule, bank condition, platform limit, or personal exception. If the result is close to a threshold, read the related guide before making the final call.
A practical next step
After using DUI Blood Alcohol Calculator, write down the input, the output, and the action you are considering. If the action still looks useful after a second check, move to the related hub or guide and compare the broader context before you commit.
Frequently Asked Questions
Q. What is the DUI threshold in Korea?
BAC ≥ 0.03% triggers a DUI stop. 0.03–0.08%: license suspension (100-day demerit). 0.08%+: license revocation. Refusing a test also results in revocation.
Q. Can I get my license back after revocation?
After the disqualification period (1–2 years; longer for accident-related revocations), you may reapply. Fatal accident DUI under special law requires 5+ years.
Q. How does the cost compare to hiring a designated driver?
A designated driver costs ₩10,000–₩20,000. A first-offense DUI means minimum ₩3M in fines plus insurance surcharges — over 150x the cost of a driver.
Q. What BAC level is 0.03%?
For a 70kg adult male, roughly 2 shots of soju (1/3 of a 360ml bottle) or one 500ml beer can. This is the DUI enforcement threshold.
Q. How long does alcohol take to clear?
On average, BAC decreases ~0.015% per hour. Drinking 1 bottle of soju (7 shots) can take 8–10 hours to fully clear. Morning-after driving may still constitute DUI.
Q. What are the penalties for DUI in Korea?
BAC 0.03–0.08%: ₩3–5M fine + suspension. 0.08–0.2%: 1–2 years prison + revocation. 0.2%+: 2–5 years prison + revocation.
How to Use
Input your BAC (%). Roughly: 2 shots of soju ≈ 0.02–0.03%; 3 shots ≈ 0.05–0.08%.
Choose: First offense, Second offense within 5 years, or Third+ offense.
If an accident occurred while impaired, special traffic laws apply, dramatically increasing penalties.
License action, fine range, criminal penalty, and 3-year insurance surcharge total are displayed.
Expert Knowledge: DUI Blood Alcohol Calculator
Korea's 2019 "Yoon Chang-ho Law" dramatically strengthened DUI penalties. The enforcement threshold dropped from 0.05% to 0.03% BAC, and 0.08%+ now mandates automatic license revocation.
Penalties for repeat offenders are severe. A second offense within 5 years mandates a minimum 2-year prison sentence. A third or subsequent offense can result in up to 6 years. DUI fatalities trigger the Special Act on Aggravated Punishment, carrying life imprisonment or a minimum 3-year term.
Financial impact extends far beyond fines. License reacquisition costs ₩600,000–₩800,000; auto insurance surcharges add 30–50% for 3 years; civil accident settlements can reach tens of millions. Even a first offense easily exceeds ₩5M total — and at-fault accidents push total costs into the hundreds of millions.
Alcohol elimination averages ~0.015% BAC per hour. Drinking a full bottle of soju (BAC ~0.12%) requires roughly 6 hours to drop below the 0.03% threshold. Morning-after driving without sufficient sleep can still result in a DUI — always allow adequate time or use a designated driver.
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