SoberDrive 🍺

Good evening,

Friend 👋

How's the night looking?

Choose your night

Calm

🌙

Quiet Night

A few scoops, home early

Moderate

🍺

On It

Solid session, knowing your limits

Heavy

🔥

On It On It

Big one. We've all been there

Mega

🎉

Big Celebrations

Wedding, birthday, the works

🔒

💀

THE HANGOVER

Coming soon...

⚠️ For informational purposes only. BAC estimates are never 100% accurate. SoberDrive is not liable for any decisions made based on these readings. When in doubt — do not drive.

BAC Tracker

UTC lookup table · Irish driving limits

mg / 100ml blood

0.000%

✓ Safe to drive

🚗 Safe to drive from

Now — you're clear

Full licence · Irish limit 50 mg/100ml

🕐 Started drinking

🛑 Stopped drinking

What did you drink?

Widmark formula · pure ethanol calculated per drink

🍺

Pint of beer / cider

16 oz · 5% · 0.631 oz pure ethanol

🥃

Spirit measure (single)

1.5 oz · 40% · 0.473 oz pure ethanol

🍷

Glass of wine (5 oz)

5 oz · 12% · 0.473 oz pure ethanol

🍸

Cocktail (mixed)

3 oz · 20% · 0.473 oz pure ethanol

🥂

Shot (1.5 oz, 40%)

1.5 oz · 40% · 0.473 oz pure ethanol

Your alcohol tolerance 🧬

Affects your liver's elimination rate — not how drunk you feel

⚠️ Higher tolerance means faster elimination — but not safer driving. Tolerant drinkers are still impaired even at lower BAC readings.

🍽️ Have you eaten?

⏱️ When did you last eat?

⚡ Drink pace

Fast drinking spikes BAC before elimination can catch up

💧 Hydration level

😴 Fatigue & stress

Doesn't change BAC — but significantly worsens impairment

💊 Medications

🫧 Carbonated drinks?

🎂 Age factor

Set your age in Settings to apply age-based metabolism adjustment.

📊 Estimate accuracy

Moderate accuracy 60%

Add more factors above to improve accuracy

⚠️ IMPORTANT DISCLAIMER

This app does not provide medical, legal, or professional advice. All BAC readings are estimates only based on the Widmark formula and the information you provide. Results are never 100% accurate and should never be used as the sole basis for deciding whether you are safe to drive, operate machinery, perform work duties, or engage in any activity where impairment could cause harm.

Individual BAC is affected by factors that cannot be measured by this app, including liver health, genetics, medications, fatigue, stress, and body composition. SoberDrive accepts no liability for any decisions made based on the estimates provided. The only reliable way to measure BAC is a certified breathalyser or blood test.

🚗 If in doubt, do not drive. Irish law sets the limit at 50mg/100ml (20mg for learner/professional drivers). Being under the legal limit does not mean you are unimpaired — driving with any alcohol in your system increases your risk of an accident.

By using this app you acknowledge that results are for informational and educational purposes only. SoberDrive, its developers, and contributors shall not be held responsible or liable for any injury, loss, legal consequence, or damage arising from the use of or reliance on this application.

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