Estimate alcohol detection time in urine with our ETG Calculator. Perfect for testing, recovery, and health tracking. Fast, accurate, and mobile-friendly. Plus, buy vitamins & supplements easily!
How Accurate is an ETG Calculator?
An ETG Calculator gives an estimate, not a guaranteed result. The accuracy depends on factors like:
ETG Calculator Formula
Here’s a simple method most ETG Calculators use to estimate detection time:
ETG Calculator Formula
1. Peak ETG Level:
\[ \text{Peak ETG (ng/mL)} = \text{Number of Standard Drinks} \times 500 – 1500 \]
2. ETG Elimination Rate:
\[ \text{ETG Elimination Rate} \approx 150 \ \text{ng/mL per hour} \]
3. Current ETG Level:
\[ \text{Current ETG} = \text{Peak ETG} – (\text{Elimination Rate} \times \text{Hours Since Last Drink}) \]
4. Time Until ETG is Undetectable:
\[ \text{Time to Clear (hours)} = \frac{\text{Peak ETG} – \text{Detection Threshold}}{\text{Elimination Rate}} \]
Note: Detection Threshold is usually 500 ng/mL. Adjust calculations for body weight, gender, and hydration level.
Example Calculation
| Input | Value |
|---|---|
| Number of Drinks | 2 |
| Hours Since Last Drink | 18.5 |
| Body Weight | 70 kg |
| Gender | Male |
| Hydration | Normal |
| Metric | Result | Description |
|---|---|---|
| Estimated Detection Window | 24.0 hours | ETG may be detectable in urine after your last drink |
| Current Risk Status | Low | Your risk of testing positive is low |
| Time Until ETG is No Longer Detectable | 5.5 hours | ETG expected to be undetectable after this time |
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