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Determining how long does alcohol stay in your urine and system can be figured using the simple calculator below.
It depends primarily on how much alcohol was consumed, over what length of time.
Generally speaking, an average person metabolizes 1 standard serving of beer, wine or liquor drink per hour.
The human body metabolizes alcohol at a rate of .012% – .015% of the blood alcohol concentration (BAC) per hour.
Once someone starts drinking alcohol, their body starts metabolizing it immediately.
How Long Does Alcohol Stay in Your Urine System
The rate of processing alcohol in the human body is based on certain factors, including:
- Food consumed recently
- Tolerance of alcohol
- Overall health
Blood alcohol concentration (BAC) is the percentage of alcohol in their body. Mathematically, it is the total number of grams of ethanol (alcohol) in 100 milliliters of their blood. There are several key factors affecting a person’s BAC.
Once a person knows their BAC, it is a matter of dividing it by the rate of metabolizing alcohol (~0.12%/per hour). The answer is approximately the length of time it might take to become alcohol-free (0.00 BAC).
Calculate How Long Does Alcohol Stays In Your System
Our easy-to-use BAC calculator determines someone’s BAC and how long it would take to be alcohol-free. It determines their BAC at the point they stopped drinking. It will also calculates the amount of time for it to drop to zero.
EtG Type Testing & 80 Hour Rule
Ethyl Glucuronide (EtG) is a metabolite the body uses to process alcohol. EtG type tests are looking for the presence of this chemical, known as ethyl glucuronide, in the blood or urine. It can determine if alcohol has been metabolized within the recent past (3-4 days). There is some evidence EtG may not be detectable for 80 hours.
Quick EtG Calculator
This quick calculator provides a general idea of when someone could pass an EtG type test.
Men have a higher percentage of water weight (.58) than women (.49) by almost 10%. This means everything else being equal, a woman’s BAC will be higher, since BAC is based on converting water into blood.
A person’s weight is a primary factor because BAC is a function of “grams of ethanol in 100 milliliters of blood”. So, the more someone weighs the higher volume of blood in their body.
How Much Alcohol Was Consumed
The more alcohol consumed, the more time the body needs to metabolize it.
Alcohol metabolization starts when a person starts to drink. If someone continues to drink their BAC will increase at a rate relative the the number of hours spent drinking.
How Alcohol Is Processed
After about five percent of absorbed ethanol reaches the kidneys, the body begins actively excreting alcohol through urination. Additionally, alcohol inhibits production of vasopressin, a hormone that helps conserve body fluids. Without vasopressin in play to prevent fluid loss, urination increases and the body usually begins excreting alcohol directly through the urine within 20 minutes of beginning to drink.
“Debunking” Detox Myths
- Drinking coffee or taking cold showers won’t decrease the sobering up time. Only time reduces BAC.
- Even if you drank 24 hours ago, a Breathalyzer test could still show someone is over the legal limit.
- Consuming alcohol the night before and then “sleeping it off” doesn’t matter.
- Drinking water while drunk won’t make you drunker. In fact, drinking water can help dilute the amount of alcohol saturating body tissues and expedite excretion of alcohol through urine and perspiration.
- Medical alcohol detox is an entirely different process than naturally eliminating alcohol from the body. Anyone needing detoxification should enter a medically supervised program.
- Long-time alcohol abusers should never try to go “cold turkey”. The DTs can be fatal.
- Breathalyzers detect alcohol in the blood within the past 24 hours after drinking stopped.
- A saliva test can detect traces of alcohol in the body up to 12 days after drinking.
- Hair follicle testing for alcohol is the most precise type of test and can detect alcohol in your system three months.
Speeding Up The Process
There is no known methods of increasing the detox time. We are not aware of any over the counter products for cleansing the human body of alcohol faster. These are some things you might try that may help accelerate the detox process:
- Drinking pure water, juice & other fluids (do not overdo it)
- Take a vitamin B complex supplement (only 1 per day)
- Eat healthy food (not too much)
- Light Exercise
It is against the law to operate a motor vehicle while under the influence of alcohol. Even a small amount of alcohol, such as a few beers, can impair reaction time, coordination and good judgment behind the wheel.
- The legal driving limit, in all 50 states, is 0.08% BAC.
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