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Morning after drink driving

It takes a lot longer than most people think for alcohol to pass through the body. On average it takes around one hour per unit of alcohol, though this can vary depending on a number of factors. Because of this, there is a real risk that people who would not dream of driving after drinking may still be unwittingly over the drink drive limit the morning after. This includes people going about everyday activities such as driving to work, doing the school run, popping to the shops or going to see friends. This App is designed to alert people to this potential danger, and provide information to help them avoid a drink drive conviction - or even worse, causing a collision and/or casualties by driving while over the drink-drive limit. Here are a couple of facts about drink driving and the 'morning after':
  • In 2012, drink driving accounted for around 13% of all road deaths, 6% of all killed and seriously injured casualties and 5% of all reported road casualties. (DfT stats)
  • In 2011 more people failed breath tests between the hours of 6am and 11am than during the hour before or after midnight (ACPO).
We're not saying 'don't drink', but we are saying 'don't drink anything if you are driving' and 'don't drink heavily if you have to drive the following morning'.

About us

This app has been developed as part of the Morning After drink drive campaign - for more information on the campaign please visit: www.morning-after.org.uk.

The app has been designed by Stennik and developed by SoftApps.

Disclaimer

The Morning After Calculator is an application intended to be used strictly as an aid for approximating ones blood alcohol content and does not constitute legal justification for driving after drinking. In all cases its safest to never drive after drinking and to avoid heavy drinking if you are driving the next day.

By using this App you assume all risk and responsibility.

USAGE

First things first... Let's make one thing absolutely clear at the outset - this app is not intended to help you work out how much you can drink on a night out before driving home. If you are drinking any amount of alcohol on a night out - even one drink - you should leave the car at home and make alternative arrangements. And the app won't help you if you are arrested for drink driving. What it will do is enable you to calculate roughly when it will be safe for you to drive the morning after drinking alcohol. And it can help you calculate when to stop drinking alcohol if you have to drive the following morning.

How the 'Morning After App' works

The calculator app allows one hour for each unit of alcohol, plus an additional hour for the first drink to allow for the alcohol to enter the bloodstream. It then rounds up the calculation to the nearest half hour. The app bases its calculation from the time you stop, not when you start drinking. Some people say this is over-cautious, but we'd rather be safe than sorry. The 'hours before driving' calculation is not based on any drink drive limit - it is the length of time when the alcohol in the drinks you've consumed is likely to have passed through your body. This is when we suggest you will be 'safe to drive'.

How to use the app

Simply tot up the drinks you consumed the night before to keep track of what you're drinking while you're out - and the app will store them and give you a rough calculation of when you will be safe to drive. We've included a fair number of drinks, but if you can't find the exact drink you consumed there may be something of similar size and alcoholic content (ABV).

A couple of facts
  • One hour per unit: on average, it takes about one hour for the body to metabolise (break down) one unit of alcohol. However, this can vary depending on a number of factors including body weight, sex, age, personal metabolic rate, recent food intake, the type and strength of the alcohol, and medications taken. Alcohol may be also be metabolised more slowly if liver function is impaired.
  • Add an hour: it takes around an hour from when you start drinking for alcohol to be fully absorbed into the bloodstream.

About us

This app has been developed as part of the Morning After drink drive campaign - for more information on the campaign please visit: www.morning-after.org.uk.

The app has been designed by Stennik and developed by SoftApps.

Disclaimer

The Morning After Calculator is an application intended to be used strictly as an aid for approximating one's blood alcohol content and does not constitute legal justification for driving after drinking. In all cases it is safest to never drive after drinking and to avoid heavy drinking if you are driving the next day.

By using this application you assume all risk and responsibility.