---
title: "BMI Calculator | Body Mass Index Tool | XTRAW Tools"
description: "Calculate body mass index from height and weight with a free browser-based BMI calculator from XTRAW Tools."
url: "https://xtraw.com/tools/healthcare-tools/bmi-calculator"
date: "2026-05-22T01:35:49+00:00"
language: "en-GB"
---

[Sleep Calculator](https://xtraw.com/tools/industry-tools/healthcare-tools/sleep-calculator)[BAC Calculator](https://xtraw.com/tools/industry-tools/healthcare-tools/bac-calculator)

 [![BMI Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-bmi-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-bmi-calculator-360x360.jpg "BMI Calculator from XTRAW Tools")

   popular

 [Back to: Healthcare Tools](https://xtraw.com/tools/industry-tools/healthcare-tools "Healthcare Tools")

# BMI Calculator

 Calculate body mass index from height and weight. Use this free browser-based bmi calculator from XTRAW Tools.

 **BMI Calculator** helps you calculate body mass index from height and weight. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step.

## How to Use the BMI Calculator

1. Enter the required calculator inputs shown in the form.
2. Review the balance, rate, payment, savings, income, revenue, cost, height, weight, or scenario assumptions.
3. Run the calculator, then adjust one input at a time to compare scenarios.

## What This Calculator Helps With

Calculate body mass index from height and weight. It is designed for health-conscious users, fitness users, wellness planners, and people checking a simple health estimate who want a fast, browser-based estimate before relying on a lender, advisor, bank, payroll provider, tax professional, healthcare professional, or other professional source.

- Height: 5 ft 10 in
- Weight: 180 lb

## Common Uses

People use this calculator when they need a quick way to estimate values, compare scenarios, and understand the assumptions behind a finance, business, savings, debt, pay, or health-related decision.

- **Health Estimate:** Check a simple health-related estimate from user-entered measurements.
- **Measurement:** Use measurements to calculate a quick numeric reference value.

## Formula or Method

BMI = weight(kg) / height(m)^2

## Example

**Example inputs:** Height: 5 ft 10 in; Weight: 180 lb

**Example result:** Using the default inputs, BMI is about 25.8.

## Related Tools

- [Body Fat Calculator](https://xtraw.com/tools/body-fat-calculator)
- [Ideal Weight Calculator](https://xtraw.com/tools/ideal-weight-calculator)
- [Bmr Calculator](https://xtraw.com/tools/bmr-calculator)
- [Tdee Calculator](https://xtraw.com/tools/tdee-calculator)
- [Calorie Calculator](https://xtraw.com/tools/calorie-calculator)
- [Water Intake Calculator](https://xtraw.com/tools/water-intake-calculator)

## BMI Calculator FAQ

### Is the BMI Calculator free?

Yes. This calculator is free to use on XTRAW Tools.

### Do I need to create an account?

No. XTRAW tools are designed for browser-based use without requiring an account.

### Are the results exact?

Results may be estimates depending on the inputs, formula, and purpose of the calculator. Always verify important results before relying on them.

**Disclaimer:** This calculator is provided for general informational and convenience purposes only. It is not legal, financial, medical, tax, investment, insurance, accounting, payroll, health, or professional advice. Always verify important results with a qualified professional or authoritative source before making decisions.

 **Related Categories** ![Tooltip]()[![Health & Fitness Calculators category image](https://xtraw.com/images/virtuemart/category/16_health_and_fitness_calculators.jpg) Health & Fitness Calculators](https://xtraw.com/tools/calculators/health-fitness-calculators "Health & Fitness Calculators")

Custom prototype for related categories

[![Fitness Calculators category image](https://xtraw.com/images/virtuemart/category/134_fitness-calculators.jpg) Fitness Calculators](https://xtraw.com/tools/calculators/health-fitness-calculators/fitness-calculators "Fitness Calculators")

Custom prototype for related categories

[![Healthcare Tools category image](https://xtraw.com/images/virtuemart/category/085_healthcare_tools_350x350.jpg) Healthcare Tools](https://xtraw.com/tools/industry-tools/healthcare-tools "Healthcare Tools")

Custom prototype for related categories

[![Everyday Utilities category image](https://xtraw.com/images/virtuemart/category/13_everyday_utilities.jpg) Everyday Utilities](https://xtraw.com/tools/everyday-utilities "Everyday Utilities")

Custom prototype for related categories

[![Calculators category image](https://xtraw.com/images/virtuemart/category/2_calculators.jpg) Calculators](https://xtraw.com/tools/calculators "Calculators")

Custom prototype for related categories

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