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Both calculators run independently — change the inputs on either side to compare results.

Health

Blood Pressure Category Calculator

Classify blood pressure readings into clinical categories (normal, elevated, Stage 1 hypertension, Stage 2 hypertension) based on systolic and diastolic values. Use it for at-home self-screening and to understand what your doctor's blood pressure measurements mean.

Fill in the required fields to see your result.
Fitness

BMI Calculator

Calculate Body Mass Index (BMI) — body weight in kg divided by height in metres squared — to screen for under/overweight categories. The most widely used population-level fitness and health risk metric, with known limitations for athletes and unusual body compositions.

Underweight<18.5Normal18.5–25Overweight25–30Obese I30–35Obese II+35+
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Key differences

Blood Pressure Category CalculatorBMI Calculator
CategoryHealthFitness
Inputs required22
ResultCombined BP Reading (mmHg)Your BMI
What it doesClassify blood pressure readings into clinical categories (normal, elevated, Stage 1 hypertension, Stage 2 hypertension) based on systolic and diastolic values. Use it for at-home self-screening and to understand what your doctor's blood pressure measurements mean.Calculate Body Mass Index (BMI) — body weight in kg divided by height in metres squared — to screen for under/overweight categories. The most widely used population-level fitness and health risk metric, with known limitations for athletes and unusual body compositions.