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Calorie Calculator Online Free — TDEE Calculator

Free calorie calculator online — Estimate daily calorie needs from BMR and activity level. Also useful when you need TDEE calculator. Private browser processing, no account required.

Estimates daily calorie needs with the Mifflin–St Jeor equation. Not medical advice.

BMR

1,618 kcal/day

Maintenance (TDEE)

2,507 kcal/day

Mild weight loss (−500)

2,007 kcal/day

Mild weight gain (+500)

3,007 kcal/day

About this tool

About Calorie Calculator

Calorie Calculator estimates basal metabolic rate (BMR) and daily maintenance calories (TDEE) from age, sex, height, weight, and activity level using the Mifflin–St Jeor equation. People also look for TDEE calculator.

Calorie Calculator is part of Free Converter Tool — a private, browser-first toolkit for PDF, image, video, audio, and everyday utilities. Use calorie calculator online free without installing software.

  • Mifflin–St Jeor BMR formula
  • Activity-based TDEE
  • Private browser calculation
  • Free — no account needed
  • Private browser-side processing
  • No account required for core use

Why use Calorie Calculator?

Use Calorie Calculator online to plan rough daily calorie targets without a spreadsheet. Free Converter Tool keeps your inputs private in the browser.

How to use Calorie Calculator

Follow these steps to get results from Calorie Calculator.

  1. 1

    Enter your details

    Add sex, age, weight (kg), and height (cm).

  2. 2

    Pick activity level

    Choose how active you are during the week.

  3. 3

    Read calorie targets

    See BMR, maintenance, and mild loss/gain ranges.

Tips for best Calorie Calculator results

Be honest about activity level. Start near maintenance calories, then adjust slowly. These numbers are educational estimates, not a personal medical plan.

Private by design

Everything runs in your browser — nothing is sent to a server.

Instant local processing

Results update instantly as you change values.

Free Calories online

No install needed for core Calorie Calculator use on Free Converter Tool.

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Calorie Calculator FAQs

Common questions about using Calorie Calculator free online on Free Converter Tool. Common searches: calorie calculator, TDEE calculator, BMR calculator, daily calorie calculator.

Total Daily Energy Expenditure — an estimate of calories you burn in a day including activity.
No. These numbers are educational estimates. Consult a professional for personal plans.
Yes. Calorie Calculator on Free Converter Tool is free in your browser with no account required.
No. Enter your values on the page and get results instantly — nothing is uploaded.
Calorie Calculator runs entirely in your browser. Change inputs and the result updates immediately without sending data to a server.
Yes. Values you type stay on your device. Free Converter Tool does not upload or store your calculator inputs.
No install and no account are required. Open Calorie Calculator online and start using it right away.
Yes. Calorie Calculator works in modern mobile browsers as well as on desktop.
Calorie Calculator uses standard formulas for quick estimates. For medical, legal, or financial decisions, confirm with a qualified professional.
You get a fast, private Calorie Calculator with clear results, no ads that steal your data, and no forced signup for core use.