EtG test resources, calculators, and research guides
Start with a tool or explore clear, source-linked explanations of ethyl glucuronide testing.
FAQ, research, and terminology
EtG test FAQ
Thirty-six direct answers grouped for people and machine-readable retrieval.
↗EtG research hub
Source-led explainers about methods, specimens, and biomarkers.
↗Primary-study database
Search and download the evidence table behind the site.
↗EtG testing glossary
Thirty defined laboratory, biomarker, and interpretation terms.
International drink definitions
Country comparison hub
Compare ethanol units across the US, UK, Australia, and Canada.
↗United States
Calculate using the 14-gram U.S. standard drink.
↗United Kingdom
Calculate UK alcohol units using the 8-gram definition.
↗Australia
Calculate with the 10-gram Australian standard drink.
↗Canada
Calculate with the 13.45-gram Canadian standard drink.
Calculators and interactive tools
EtG urine calculator
Estimate an evidence-informed detection range across 100, 200, and 500 ng/mL.
↗EtG timeline calculator
Calculate the exact hours between drinking and a planned test.
↗EtG half-life calculator
Project a known concentration forward using a published half-life range.
↗Standard drink calculator
Convert ounces and ABV into U.S. standard drinks.
Detection and cutoff guides
EtG detection window
Understand dose, time, cutoff, and urine concentration.
↗80-hour EtG test explained
Separate a possible upper limit from a universal claim.
↗EtG 100 vs 500 cutoff
Compare sensitivity and specificity tradeoffs.
↗100, 200, and 500 ng/mL guide
Review all three common reporting thresholds.
↗EtG calculation formula
See the decay math and why peak concentration can't come from drink count alone.
Testing and result interpretation
What is an EtG test?
Learn how ethyl glucuronide urine testing works.
↗EtG urine test results
Read values, units, cutoffs, creatinine, and confirmation.
↗EtG vs EtS
Compare two direct ethanol metabolites.
↗EtG false positives
Understand incidental exposure and unexpected results.
↗At-home vs lab EtG tests
Compare screening strips with laboratory confirmation.
↗EtG and creatinine dilution
Learn how urine concentration affects interpretation.