freeonlinecalFreeOnlineCal

All Calculators

Browse every calculator with a lightweight A-Z directory and category filters. Search is still available, but this page gives users a cleaner browse path.

Showing 12 of 108 calculators in Health.

HealthOpen

Training Stress Balance (TSB) Calculator

Calculate training stress balance by comparing acute and chronic loads to determine athlete fatigue and competition readiness. This tool helps optimize performance by identifying when an athlete is fresh or overtrained based on training intensity.

HealthOpen

Uric Acid Risk Index Calculator

This tool assesses gout risk by analyzing uric acid metabolism while applying age and sex specific coefficients for precise results. Consult a healthcare professional for clinical diagnosis and management.

HealthOpen

VO2 Decline With Detraining Calculator

Aerobic fitness levels decline during inactivity according to predictable physiological patterns. Use this calculator to estimate your current VO2 max based on time away from training such as a five percent loss after ten days of rest.

HealthOpen

VO2 Max Calculator

Estimate your aerobic capacity and cardiovascular endurance using this VO2 max calculator based on running performance. Input your distance and time to calculate your maximal oxygen consumption for fitness assessment.

HealthOpen

VO2 Reserve Training Zone Calculator

This VO2 reserve calculator determines precise training zones by factoring in resting oxygen consumption for improved aerobic accuracy. Calculate your target intensity levels for better endurance results and always consult a fitness professional before beginning intense exercise programs.

HealthOpen

Ventilatory Threshold Estimator

This calculator estimates your ventilatory threshold using age-based coefficients to identify metabolic transition points during exercise for better training targets. An athlete with a high VO2 max can use this tool to approximate their aerobic limit although laboratory metabolic testing remains the gold standard for accuracy.

HealthOpen

Vitamin B12 Deficiency calculator

Identify potential Vitamin B12 deficiency symptoms and risks. Our calculator helps assess your nutritional status for better health.

HealthOpen

Vitamin D Sun Exposure Calculator

Estimate vitamin D synthesis from sunlight using UV index and skin tone coefficients to account for melanin levels. Factors like exposure time and intensity determine production while variables like sunscreen and clothing influence the final results.

HealthOpen

Vitamin D calculator

Estimate your Vitamin D levels and understand potential deficiency. Our Vitamin D calculator helps monitor your health.

HealthOpen

Waist to Hip Ratio Calculator

Assess your body shape and health risk with the Waist to Hip Ratio Calculator. Understand your abdominal obesity indicators.

HealthOpen

eGFR Calculator (CKD-EPI)

This eGFR calculator uses serum creatinine, age, and sex to estimate kidney filtration rate and identify kidney function stages for screening. It applies specific coefficients for biological factors to provide a more precise assessment of renal health than creatinine clearance.

HealthOpen

mg/kg Dosage Calculator

This dosage calculator computes the total medication amount required based on patient weight and the prescribed dosage rate per kilogram. It supports weight inputs in both kilograms and pounds to provide the exact total dose for clinical applications.