A1C to eAG Calculator
Translate laboratory NGSP HbA1c (%) into estimated average glucose (eAG) in both mg/dL and mmol/L using the Nathan et al. (2008) ADAG linear regression equation.
Every public calculator below runs directly in your browser without an account, displays its published equation and units, and preserves full internal precision before rounding.
Convert laboratory HbA1c between NGSP (%) and IFCC (mmol/mol), translate A1C into estimated average glucose (eAG), compute CGM Glucose Management Indicator (GMI), check glucose variability (CV% and SD), and print structured log sheets.
Translate laboratory NGSP HbA1c (%) into estimated average glucose (eAG) in both mg/dL and mmol/L using the Nathan et al. (2008) ADAG linear regression equation.
Convert laboratory HbA1c results between IFCC standard units (mmol/mol, used in the UK, Europe, and Australia) and NGSP/DCCT percentage units (%, used in the US and Canada) using the published NGSP/IFCC master equation.
Convert blood glucose values between milligrams per deciliter (mg/dL) and millimoles per liter (mmol/L) using the exact molar mass factor of glucose (18.0182).
Calculate your Glucose Management Indicator (GMI) in both NGSP-aligned % and IFCC-equivalent mmol/mol from your continuous glucose monitor (CGM) mean glucose using the published Bergenstal et al. (2018) formula.
Paste a list of glucose readings (separated by commas, spaces, or newlines) to compute arithmetic mean, population standard deviation (SD), coefficient of variation (CV%), min/max, and count of entered readings within your selected target range.
Create a clean, clinic-ready weekly or monthly paper log sheet for blood glucose (mg/dL or mmol/L) and blood pressure (mmHg + pulse) — either as a blank printable template for your refrigerator/clipboard or pre-filled with readings.
Average multi-day seated home blood pressure readings using simple arithmetic mean or the NICE NG136 Day-1 exclusion protocol, check adult ACC/AHA categories, calculate Pulse Pressure and MAP, and generate 1–2 page clinic visit summaries.
Classify an adult blood pressure reading against the 2017 ACC/AHA adult reference table and calculate Pulse Pressure (PP) and estimated Mean Arterial Pressure (MAP) in mmHg.
Calculate your average systolic blood pressure, diastolic blood pressure, and pulse across multiple home readings. Choose between averaging all entered rows or applying the NICE NG136 home monitoring protocol (which discards Day 1 readings).
Build a structured, easy-to-scan 1–2 page summary of your recent blood sugar and blood pressure readings—complete with date coverage, fasting vs post-meal glucose averages, min/max values, blood pressure averages, and space for questions to ask at your appointment.
Normalize spot urine albumin and creatinine units into uACR (mg/g and mg/mmol), estimate adult eGFR with the 2021 CKD-EPI race-free creatinine equation, and calculate Non-HDL cholesterol, HOMA-IR, TyG index, BMI, and waist ratios.
Compute the Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) from a paired morning fasting blood draw using the published Matthews et al. (1985) equation.
Calculate the logarithmic Triglyceride-Glucose (TyG) index from fasting triglycerides and fasting glucose, with automatic unit conversion when labs are entered in mmol/L.
Estimate kidney filtration rate in adults aged 18 years and older using the 2021 CKD-EPI race-free creatinine equation recommended by the National Kidney Foundation (NKF) and American Society of Nephrology (ASN).
Normalize spot urine albumin and urine creatinine lab units into the standardized Urine Albumin-to-Creatinine Ratio (uACR) in both mg/g and mg/mmol, and view KDIGO A1, A2, and A3 albuminuria categories.
Calculate Non-HDL cholesterol by subtracting HDL ("good") cholesterol from Total Cholesterol in matching units (mg/dL or mmol/L), with companion unit conversion.
Calculate adult Body Mass Index (BMI) in kg/m² using either metric (kg and cm) or imperial (pounds, feet, and inches) measurements.
Calculate your Waist-to-Height Ratio (WHtR) and optional Waist-to-Hip Ratio (WHR) in either centimeters or inches to assess central body fat distribution.
Estimate resting Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) in kcal/day using the Mifflin-St Jeor (1990) equation, with optional user-selected carbohydrate percentage arithmetic.
Estimate general adult daily fluid intake from body weight and activity duration, alongside estimated age-predicted maximum heart rate and moderate/vigorous aerobic training zones.