70 kg at 170 cm
- Category
- Healthy weight
- Healthy range
- 53.465 kg-71.961 kg
- Height
- 170 cm
BMI Calculator
Use this free BMI calculator to estimate adult body mass index, weight category, and a healthy BMI reference range from height and weight.
Research-based formula Estimate limits shown Examples included Private history
Formula steps
- Convert height from centimeters to meters.
- BMI = weight in kilograms / height in meters squared.
- Compare the result with adult BMI screening categories.
How to use the bmi calculator
- Enter the requested measurements, dates, lab values, or workout details.
- Check that the units and formula assumptions match what the tool is asking for.
- Press the calculate button to see the answer, supporting metrics, and formula steps.
- Read the estimate with the health disclaimer in mind, then copy the result if you need it for notes.
Common uses
Estimate adult BMI from metric height and weight.
Compare BMI with common adult screening categories.
Find the weight range that matches BMI 18.5 to 24.9 for a height.
Use a consistent estimate while tracking health or fitness changes.
Examples
BMI about 24.2
BMI about 24.5
BMI about 20.3
Frequently asked questions
Quick answers about formulas, inputs, estimate limits, professional guidance, examples, and private in-browser history.
What can I use the BMI Calculator for?
Use it for quick educational estimates, planning, comparison, and trend checks. Health and fitness results should be interpreted with context, not as a diagnosis.
How does the BMI Calculator calculate the result?
BMI is calculated as weight in kilograms divided by height in meters squared, then compared with adult BMI screening categories.
Is this medical advice?
No. This page provides an educational estimate only. Talk with a qualified health professional before making medical, pregnancy, nutrition, medication, or safety decisions.
Are my health inputs private?
Yes. The calculator runs in your browser tab. Recent answers stay only on the page while you use it and are not sent to a server.