Health Monitoring & Labs Calculators

23 professional health calculators • 100% free to use

Interpret lab results, monitor vital signs, and track blood work with 9 clinical calculators that explain ranges and support meaningful health discussions.

All Health Monitoring & Labs Calculators

A1C Calculator — Convert HbA1c to eAG with Targets

Use our A1C calculator to convert HbA1c to estimated average...

Health Monitoring & Labs

ANC Calculator — Absolute Neutrophil Count with Grades

Use our ANC calculator to compute absolute neutrophil count ...

Health Monitoring & Labs

AST/ALT Ratio Calculator — Liver Enzyme Interpretation

Compute the De Ritis index with the AST/ALT ratio calculator...

Health Monitoring & Labs

Blood Pressure Calculator: Check BP Category by AHA

Use the blood pressure calculator to classify readings by AH...

Health Monitoring & Labs

Blood Sugar Calculator — Fasting and Post‑Meal Ranges

Use our blood sugar calculator to interpret fasting and 2‑ho...

Health Monitoring & Labs

Blood Type Calculator: ABO and Rh Inheritance Guide

Use the blood type calculator to explore a child’s possible ...

Health Monitoring & Labs

Child Pugh Calculator — Liver Cirrhosis Severity Grading

Use our child pugh calculator to grade cirrhosis severity (C...

Health Monitoring & Labs

Cholesterol Calculator — Lipid Panel Targets & Ratios

Review total cholesterol, LDL, HDL, and non-HDL with our cho...

Health Monitoring & Labs

Cholesterol Ratio Calculator — TC:HDL & LDL:HDL Targets

Calculate TC:HDL and LDL:HDL using the cholesterol ratio cal...

Health Monitoring & Labs

Creatinine Clearance Calculator — Cockcroft-Gault (CrCl)

Estimate clearance using Cockcroft-Gault with our creatinine...

Health Monitoring & Labs

eGFR Calculator — CKD‑EPI Kidney Function & Staging

Estimate kidney function with the eGFR calculator using the ...

Health Monitoring & Labs

Fever Calculator — Age-Based Thresholds & Guidance

Use our fever calculator to check temperature by age and sit...

Health Monitoring & Labs

Glucose Calculator — Convert mg/dL and mmol/L Values

Convert blood glucose values between mg/dL and mmol/L using ...

Health Monitoring & Labs

Measure BPM — Heart Rate Calculator & Pulse Calculator

Check beats per minute with the heart rate calculator. Compa...

Health Monitoring & Labs

Hematocrit Calculator — Hct Percent, Ranges & Hb Rule

Use our hematocrit calculator to estimate Hct from hemoglobi...

Health Monitoring & Labs

Hemoglobin Calculator — Hgb Ranges, Patterns & CBC

Interpret values within a CBC using our hemoglobin calculato...

Health Monitoring & Labs

Kidney Function Calculator — eGFR, ACR, CKD Staging

Estimate kidney function with our kidney function calculator...

Health Monitoring & Labs

Liver Function Calculator — AST/ALT, APRI, FIB‑4 Scoring

Use our liver function calculator to interpret liver labs wi...

Health Monitoring & Labs

MELD Score Calculator (MELD‑Na) — Risk & Priority Guide

Use our MELD score calculator (MELD‑Na) to estimate 90‑day m...

Health Monitoring & Labs

SpO₂ Levels & Ranges — Oxygen Saturation Calculator

Check SpO₂ with the oxygen saturation calculator. Review typ...

Health Monitoring & Labs

Respiratory Rate Calculator (RR) – Breaths Per Minute

Use our respiratory rate calculator to measure breaths per m...

Health Monitoring & Labs

Temperature Converter Calculator – °C, °F, Kelvin, Rankine

Use our temperature converter calculator to convert °C, °F, ...

Health Monitoring & Labs

Triglyceride Calculator — TG Ranges, Conversions, Goals

Use our triglyceride calculator to convert mg/dL and mmol/L,...

Health Monitoring & Labs

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Why Use Our Health Monitoring & Labs Calculators?

Our health monitoring & labs calculator collection offers 23 specialized tools designed for accuracy and ease of use. Each calculator is built using established medical formulas and guidelines from trusted health organizations.

Key Benefits

  • Medical-grade accuracy based on WHO and CDC guidelines
  • Instant results with detailed explanations and recommendations
  • 100% private - all calculations done locally in your browser
  • No registration or personal data required

Popular Uses

  • Respiratory Rate Calculator (RR) – Breaths Per Minute - Tap-to-count timer for quick RR
  • Blood Sugar Calculator — Fasting and Post‑Meal Ranges - Fasting vs. 1‑hour vs. 2‑hour
  • Child Pugh Calculator — Liver Cirrhosis Severity Grading - Child‑Pugh class (A/B/C) with total score
  • Temperature Converter Calculator – °C, °F, Kelvin, Rankine - Convert °C, °F, Kelvin, and Rankine

Whether you're a healthcare professional, patient, or health enthusiast, our health monitoring & labs calculators provide the accurate, reliable tools you need for informed health decisions.

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