Health Calculators

Browse health calculators by category or search for a specific tool. Save results to your Health History to track how your indicators change over time.

The more results you save, the clearer your health progress becomes.

ℹ️These calculators are for informational and educational use only. They do not provide a medical diagnosis and should not replace professional medical advice.

How Your Health Data Becomes Insights

Run health calculators, save your results, and track how your health indicators evolve over time.
Healio360 combines your data to identify trends and generate personalised health insights.

Calculate

Run any health calculator

Save to Health History

Store the result to your record

Track Changes

Monitor values across time

Health Intelligence Insights

Trends & personalised analysis

View Health Intelligence

16 calculators

1–16to open

⚖️
1

BMI Calculator

General

Calculate your Body Mass Index and understand your weight classification using standard WHO categories.

Open calculator
🫀
2

eGFR Calculator

Kidney & Lab

Estimate your glomerular filtration rate using the CKD-EPI 2021 equation to assess kidney function.

Open calculator
🩸
3

HbA1c to Average Glucose

Metabolic

Understand how your HbA1c may relate to your average blood sugar levels over time.

Open calculator
💉
4

LDL Cholesterol Calculator

Cardio

Estimate LDL cholesterol from standard lipid panel values using the Friedewald equation.

Open calculator
🫘
5

BUN / Creatinine Ratio

Kidney & Lab

Calculate the BUN/Creatinine ratio from common kidney blood test values.

Open calculator
🦴
6

Corrected Calcium Calculator

Kidney & Lab

Adjust measured serum calcium for albumin levels to get a more accurate calcium assessment.

Open calculator
🔬
7

HOMA-IR Calculator

Metabolic

Estimate insulin resistance using fasting glucose and fasting insulin values.

Open calculator
🔥
8

Basal Metabolic Rate (BMR)

General

Estimate your baseline daily energy needs using the Mifflin–St Jeor equation.

Open calculator
🏃
9

Ideal Body Weight

General

Estimate an ideal body weight range using standard Devine formula reference values.

Open calculator
💧
10

Daily Water Intake

General

Get a rough estimate of your daily hydration needs based on weight and activity level.

Open calculator
🤰
11

Pregnancy Due Date

Pregnancy

Estimate your due date based on the first day of your last menstrual period.

Open calculator
📊
12

Body Fat Percentage

General

Estimate body fat percentage using standard body measurements (US Navy formula).

Open calculator
🧪
13

Anion Gap Calculator

Kidney & Lab

Calculate the anion gap from serum electrolytes to help interpret acid-base disturbances.

Open calculator
📐
14

Body Surface Area (BSA)

General

Calculate body surface area using the Mosteller formula, commonly used in medication dosing.

Open calculator
📏
15

Waist-to-Height Ratio

General

Assess central adiposity and cardiometabolic risk using your waist circumference and height.

Open calculator
❤️
16

ASCVD Cardiovascular Risk

Cardio

Estimate 10-year cardiovascular risk using commonly used clinical risk factors (ACC/AHA Pooled Cohort Equations).

Open calculator

More health calculators are in development. Results are for educational use only and do not replace professional medical advice.

Sources & Methodology

Our calculators and health guidance draw on widely recognised clinical and public-health references. Each calculator also lists the specific sources relevant to it. These tools are educational and do not replace professional medical advice.

  • NHS — Healthy weight
  • WHO — Obesity and overweight
  • CDC — About Adult BMI
  • American Heart Association — All about heart rate (pulse)
  • Sleep Foundation — Stages of sleep
  • Apple — HealthKit developer documentation
All results are saved to your Health History and power your Health Intelligence insights.

Now available on the App Store

Healio360