Health Calculators

Calculate your weekly sleep debt, average nightly sleep, and mortality risk based on your sleep pattern. Enter your daily hours for each day of the week and get instant results with recovery strategies.

Calculate accurate medication doses based on patient weight. Get instant results for both solid and liquid medications, including the exact volume in milliliters to administer.

Calculate your Glucose Ketone Index to monitor ketosis depth and metabolic health. Enter glucose and ketone readings for instant GKI results and interpretation.

Estimate your LDL cholesterol level from your lipid panel results. Enter total cholesterol, HDL, and triglycerides for an instant calculation using the Friedewald equation, in mg/dL or mmol/L.

Calculate prostate volume and PSA density from ultrasound or MRI measurements. Enter your prostate dimensions and PSA level to get instant results with clinical interpretation guidance.

Calculate your VLDL cholesterol from triglycerides using Friedewald and hyperlipidemia-corrected equations. Includes accuracy checks, normal ranges, and instant reference range interpretation.

Calculate your hCG doubling time instantly. Enter two beta hCG blood test results to see if your early pregnancy is progressing normally, with week-by-week reference ranges and clinical interpretation.

Calculate corrected QT interval instantly using Bazett, Fridericia, Framingham, and Hodges formulas. Enter QT interval and heart rate from your ECG for accurate QTc results with clinical interpretation.

Calculate your ankle-brachial index to screen for peripheral artery disease. Enter blood pressure readings from your arm and ankles for instant ABI results with clinical interpretation for both legs.

Calculate your International Normalized Ratio (INR) from prothrombin time (PT) test results. Instant conversion with clinical interpretation for patients on warfarin and healthcare providers.

Calculate your waist-to-hip ratio instantly and understand what your results mean for cardiovascular and metabolic health. Includes healthy WHR ranges for men and women, measurement instructions, and tips to improve your ratio.

Calculate your Body Roundness Index (BRI) to assess body fat distribution and health risks. Get your BRI score with interpretation chart, healthy ranges by age/gender, and understand how BRI compares to BMI.

Calculate your lean body mass instantly using the Boer formula. Discover what percentage of your weight is muscle, bone, and organs vs. fat—with interpretation benchmarks most calculators don't provide.

Calculate your Fat-Free Mass Index to measure lean muscle mass relative to height. Get your FFMI score, see how you compare, and understand your natural muscular potential.

Calculate your BMI and BMI Prime instantly. Get your weight classification, health risk level, and understand what your numbers mean—with results tailored for men and women.

Calculate your ideal calorie deficit for safe weight loss. Get personalized daily calorie targets for sustainable results based on your goals and activity level.

Calculate daily calories for safe weight loss based on your goals. Get personalized calorie targets and timeline predictions for sustainable results.

Calculate your HOMA-IR and QUICKI scores to assess insulin resistance using fasting glucose and insulin levels. Includes score interpretation, real-world examples, and guidance on improving your results.

A1C calculator converts between A1C percentages and average glucose values, helping you interpret diabetes numbers and track blood sugar control.