How long after drinking can I drive calculator

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Calculate your alcohol intake.
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Standard Drinks Calculator
How many hours after drinking Am I OK to drive?
How long does 1 standard drink take to leave your system?
How long till alcohol leaves your breath?
How long after drinking 4 pints can you drive?

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BAC Calculator Blood Alcohol Content Calculator Alcohol Calculator - Blood Alcohol Calculator For weight, sex and standard drinks.
	The BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) enables you to calculate your estimated blood alcohol content based on your weight, sex and drinking time. You will need to know how many standard drinks you've consumed. Use the Standard Drink Calculator or the Blood Alcohol Calculator to first determine the number of standard drinks you have consumed. The links to these alcohol calculators are in the menu above. Keep in mind the BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) uses average values for a number of parameters in the calculator. Further information can be found in the Wikipedia article linked to below. The estimated blood alcohol content is calculated for the elapsed hours and also for the additional hours until the blood alcohol content returns to zero. Again keep in mind this is an average and there can be quite some variance between different people. The BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) is written for Australian usage using 10 grams of alcohol in a standard drink.

	BAC Calculator The BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) enables you to determine an estimated blood alcohol content given a person's weight, sex, hours and the number of standard drinks consumed. Weight Weight in kilograms. Sex Select Male or Female. Standard Drinks The number of standard drinks need to first be calculated. You can use the Standard Drink Calculator or Blood Alcohol Calculator to work out the number of standard drinks. Hours Drinking period in hours. Estimated BAC The estimated BAC is calculated. In addition the BAC for additional hours are calculated until the BAC returns to zero. TIPS The BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) is based on the Widmark formula. Details of the Widmark formula can be found on Wikipedia. The main advantage of the BAC Calculator (Alcohol Calculator - Blood Alcohol Calculator) over the Standard Drink Calculator and Blood Alcohol Calculator is the BAC Calculator using the Widmark formula enables people to enter their weight and sex. To determine the number of standard drinks use the Standard Drink Calculator if there's only a single type of drink, or the Blood Alcohol Calculator if there's a range of different drinks. Disclaimer The BAC Calculator web app comes with no warranty expressed or implied. The BAC Calculator web app is only for informational purposes and is not guaranteed to be error free. The information on this page is not intended to be advice.

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Standard Drinks Calculator

Calculate your alcohol intake.

In Australia, a standard drink refers to 10 grams of alcohol. On average, this is how much the human body can process in one hour.

This calculator provides a guide to the average amount of standard drinks in different beverages. For further information check out our standard drinks page.

Please note: the calculator is for educational purposes, and should not be relied upon to predict blood alcohol level or any other measure. The calculator uses average sizes for cans, bottles etc., however please be aware that these vary between products. Wine and champagne glasses are based on 150ml pour (average restaurant serving).

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Standard Drinks Calculator

How many hours after drinking Am I OK to drive?

The advice from the police is clear: avoid alcohol altogether if you plan to drive. Because there is no way to speed up how long your body takes to process any alcohol in your system, there's no fail-safe way to guarantee all the alcohol you have drunk will be gone by the time you wake up the next day.

How long does 1 standard drink take to leave your system?

On average it takes at least one hour for your body to clear one small alcoholic drink. For some people it can take longer. That is, at least one hour to clear a middy of beer, or a small (100ml) glass of wine, or a standard nip of spirits.

How long till alcohol leaves your breath?

How long does alcohol stay in your system to be detected by a breathalyser? The device can trace alcohol within 20 minutes from consumption and up to 12 hours later.

How long after drinking 4 pints can you drive?

For most people, a single unit of alcohol takes around two hours to metabolise. For ordinary-strength beer, the legal limit is approximately two pints, so you would need four hours to metabolise the extra two pints.