ข้ามไปที่เครื่องมือ
Kanngongkanngoen

Home / Tools / BMI & BMR Calculator

HEALTH · Health metrics · Free BMI & BMR calculator

BMI & BMR Health Calculator

Calculate your body mass index (BMI), basal metabolic rate (BMR) and total daily energy expenditure (TDEE) for health planning and NCD risk awareness.

Enter your details to get started

Required details

This tool calculates the values you enter in your browser and does not automatically save results to the User Portal. Some parts of the site may use analytics or third-party services. Please read Privacy Policy

Initial estimate

This result is generated in your browser. Review the calculation method and limitations alongside it.

No results yetEnter your details and select Calculate to see your results here.
Scope: This tool is for educational purposes and is not personalized advice.

What are BMI and BMR?

BODY METABOLISM INFOGRAPHIC

Your health is your most important asset

Maintaining a weight within the standard range and understanding your metabolism can help prevent 5 noncommunicable diseases (NCDs): diabetes, hypertension, vascular disease, heart disease and cancer.

BMI

Asian BMI categories

Asian BMI Standard (WHO)
Standard range: 18.5–22.9 Asian populations may have more abdominal fat at the same BMI, so a BMI of 23.0 is used as the threshold for overweight.
BMR/TDEE

Energy metabolism

Mifflin-St Jeor Formula
BMR = baseline energy | TDEE = total daily energy Use these estimates to inform nutrition-conscious meal planning for weight management.

What this BMI and BMR calculator estimates

Calculation method for BMI and BMR

The estimate uses Asian BMI categories and the Mifflin–St Jeor equation. Results depend on the values you enter.

Free BMI and BMR estimates versus personalized advice

This tool calculates results in your browser and does not automatically save data to the User Portal. See the Privacy Policy for information about third-party services.

Plan for healthcare costs in retirement →

Related tools

Frequently asked questions about BMI and BMR

Why is the BMI threshold for Asian populations lower than for Western populations?

At the same BMI, Asian populations may have higher body-fat and abdominal-fat percentages than Western populations. A BMI of 23.0 is the threshold at which the risk of diabetes and hypertension begins to rise.

What is the difference between BMR and TDEE?

BMR is the baseline energy your body uses for breathing and organ function at rest. TDEE is the total energy estimate after adding movement and exercise.

Does this health calculator cost anything?

No. You can use the calculator in your browser without creating an account.

KGK
Reviewed & developed byKanngong Kanngoen TeamThe formulas have been tested and reviewed against international planning standards.
Risk and use disclaimer: This tool is for educational and preliminary planning purposes only. It is not individualized financial, legal or medical advice. Results are scenarios based on the information and assumptions entered. Calculations run in your browser; saved data and third-party services may work differently. Please read Privacy Policy