BMI and Calorie Calculator

Calculate BMI, basal metabolic rate, maintenance calories, and healthy weight range from body measurements and activity.

BMI and Calorie Calculator

Enter the known values to get an immediate calculation and explanation.

Breakdown

What can you do with it?

Check BMI range from height and weight

Check BMI range from height and weight

Estimate daily calories to maintain current weight

Estimate daily calories to maintain current weight

Get moderate calorie references for loss or gain

Get moderate calorie references for loss or gain

Why choose this tool?

Uses BMI and the Mifflin-St Jeor BMR equation

Uses BMI and the Mifflin-St Jeor BMR equation

Offers five activity multipliers

Offers five activity multipliers

Reports BMR

TDEE, loss, and gain references

Calculates lower and upper healthy-weight bounds

Calculates lower and upper healthy-weight bounds

How to use?

1

Enter known values

Fill in dates, amounts, dimensions, or measurements

2

Calculate

The formulas run immediately in the browser

3

Review details

Check the explanation and export available rows

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FAQ

Do I need an account to use BMI and Calorie Calculator?
No. The complete basic workflow is available without signing in.
Is my source uploaded?
No. Processing runs in the current browser. OCR and dictionary functions only download their runtime data when needed.
Does it work on a phone?
Yes. The workspace adapts to mobile screens, although large files are usually faster on a desktop.
How should I verify the result?
Use the preview and explanation, then compare important names, dates, amounts, units, or source passages before formal use.
What are the practical limits?
BMI and calories are general adult references and not a diagnosis. Pregnancy, minors, athletes, older adults, and people with medical conditions should consult a qualified professional.

BMI and Calorie Calculator guide 2026

Calculate BMI, basal metabolic rate, maintenance calories, and healthy weight range from body measurements and activity. The workspace appears as soon as the page opens, requires no account, and processes the source in the current browser.

Common tasks

  • Check BMI range from height and weight
  • Estimate daily calories to maintain current weight
  • Get moderate calorie references for loss or gain
  • See a healthy weight range for the entered height

How the result is produced

Provide the requested values, text, image, spreadsheet, or document; choose the relevant options; then run the operation. Review the structured preview before copying or downloading the result.

Result checks and practical limits

  • Uses BMI and the Mifflin-St Jeor BMR equation
  • Offers five activity multipliers
  • Reports BMR, TDEE, loss, and gain references
  • Calculates lower and upper healthy-weight bounds

BMI and calories are general adult references and not a diagnosis. Pregnancy, minors, athletes, older adults, and people with medical conditions should consult a qualified professional.

Search questions this page answers

BMI calculator, body mass index, BMR calculator, daily calorie calculator, TDEE calculator, weight loss calories.

Privacy and related workflow

The operation runs locally. Source content is not sent to the site server. Dictionary or OCR modes may download their runtime on first use. Continue with Age and Birthday Calculator, Date Difference Calculator, Workday Calculator, Mortgage and Interest Calculator, China Income Tax Estimator, Unit Converter.