언제깨나 — 음주 계산기 · 음주 후 운전 가능 시간

AppHappytogether

Contains ads

About this app

🍺 Drinking last night, is it okay to drive this morning?

Did you think, "I'll be fine if I get some sleep"?

The difference between your perception and your actual blood alcohol concentration is far greater than you might imagine.

"WhenYouWakeUp" is a safety assistant that conservatively calculates your safe driving time after a night of drinking.

Just 1 to 2 glasses of soju can reach 0.03% (the threshold for license suspension).

▶ Key Features

◆ Driving Time Prediction

We provide a conservative estimate by adding a safety margin of +2 hours to the Watson formula-based BAC calculation.

"Driving possible after 2:30 PM" — Check the clear time and countdown.

◆ Next Morning Driving Warning

Driving while hungover is the most dangerous.

We accurately calculate and inform you that alcohol may still be present in your system in the morning.

◆ Hangover Probability Prediction

We calculate the probability of a hangover tomorrow morning by combining the amount consumed, whether you ate on an empty stomach, and your speed.

"78% chance of a hangover tomorrow" — Drink some water and get plenty of rest.

◆ Driving Eligibility Notification

With just one tap of the notification button on the results screen, you will be notified when you are safe to drive.

You can check it without forgetting in the morning.

◆ Drinking Log & Insights

As your records accumulate, you can see your own drinking patterns.

Monthly drinking frequency, highest BAC, number of times you entered the risk zone, and health score (out of 100).

Average recovery time, your limits, and trend analysis.

◆ Home Widget

Check your current status directly on the home screen.

Normal / Caution / Danger — Status displayed at a glance.

◆ Image Card Sharing

Create beautiful card images from your results and share them via KakaoTalk or text message.

▶ Recommended for:

• Office workers worried about driving to work the morning after a company dinner

• Those curious about how long they can drive after drinking

• Those who need hangover predictions

• Those who want to record and manage their drinking habits

• Those who need proof to show friends that they "cannot drive yet"

▶ Calculation Engine

• Based on Watson formulas (improved Widmark)

• Personalized calculations based on gender, age, height, and weight

• Dynamic breakdown rate (reflects liver overload during heavy drinking)

• Age correction (decreases breakdown rate starting from age 35+)

• Fasting correction (absorption rate +25%)

• Automatic addition of a +2-hour safety margin

▶ Average Breakdown Time by Type of Alcohol (Based on a 70kg male)

• 1 bottle of Soju: Approx. 5 hours

• 500ml of Beer: Approx. 2.5 hours

• 1 glass of Wine: Approx. 2 hours

• 1 glass of Hard Liquor: Approx. 2 hours

※ There may be a margin of error of ±20~30% depending on individual differences.

** ▶ Disclaimer

This app is a predictive tool for reference only and is not a tool for legal judgment.

Actual blood alcohol concentration varies significantly from person to person and cannot replace the results of this app.

The final decision regarding whether to drive is entirely the user's responsibility.

Do not drive if you feel even the slightest bit anxious.

What’s new

UI 개선