HOMA-IR Calculator

A calculator of insulin resistance and glycaemia indices from lab tests: HOMA-IR, QUICKI, HOMA1-β, TyG and HbA1c. For endocrinologists, GPs, dietitians and laboratory physicians — and for anyone who wants to understand their test results. What it calculates • HOMA-IR — insulin resistance index from fasting glucose and insulin (Matthews, 1985) • QUICKI — quantitative insulin sensitivity check index (Katz, 2000) • HOMA1-β — model estimate of β-cell function, flagged as unstable when glucose is below 4.0 mmol/L • TyG — triglyceride-glucose index (Simental-Mendía, 2008) • HbA1c: % (NGSP) ⇆ mmol/mol (IFCC) conversion by the master equation and estimated average glucose eAG (ADAG, Nathan 2008) Published cut-offs, with sources The result is shown on a scale next to published cut-offs: HOMA-IR 2.77 (Bonora, 1998), 3.46 (Gayoso-Diz, 2013), 3.8 (Ascaso, 2001); QUICKI 0.357 (Hřebíček, 2002); TyG 8.8 (Unger, 2014); HbA1c 5.7% and 6.5% (ADA). Each cut-off comes with its population and reference. The app draws no conclusion about the patient. Hints and checks • "Fasting" checkbox: for non-fasting tests the indices are shown without comparison with cut-offs • Warning at fasting glucose of 7.0 mmol/L (126 mg/dL) or higher, where the HOMA model is less reliable • Warning about unusually high values helps spot a unit mix-up • Input ranges are consistent in both units Test history • Save a result with the test date, laboratory and a comment • Trend chart of the selected index for 3, 6 or 12 months or all time • Change since the previous test • Edit and delete records; indices are recalculated after editing • Export to CSV for Excel and JSON backup with restore Convenient • Results update as you type • Units right in the field: mmol/L ⇆ mg/dL for glucose and triglycerides, % ⇆ mmol/mol for HbA1c — the entered value is converted • Result bar above the keyboard • Ready-made summary: copy with one tap or send to a messenger • Reference: formulas, cut-offs, sources and a glossary • Light and dark themes Privacy Entered values and history are stored only on the device and are not sent anywhere. No name or other personal details are requested. Important The app is not a medical device and is not intended to diagnose, treat, cure or prevent any disease. Results are for reference only and do not replace a consultation with a doctor.

First release. • HOMA-IR, QUICKI, HOMA1-β, TyG and HbA1c with eAG • Published cut-offs with sources, no conclusions about the patient • Units in fields: mmol/L ⇆ mg/dL, % ⇆ mmol/mol • Test history with a chart, CSV export and backup • Reference and glossary, light and dark themes