Calculators · free · no upload

Gym Calculator - BMI, BMR, TDEE, Macros & More

BMI, BMR/TDEE, Macros, Body Fat (Navy), 1RM, Heart Rate Zones, Water Intake.

Your files never leave your device — everything runs locally in your browser.

For information only, not medical advice. Formulas: Mifflin-St Jeor, US Navy, Epley, Brzycki.

Gym Calculator - 3D animated tool interface

What this tool does

All-in-one gym calculator with tabs for BMI, BMR + TDEE, Macros, Body Fat %, 1RM, Heart Rate Zones and Water Intake.

Uses Mifflin-St Jeor for BMR, US Navy method for body fat, Epley and Brzycki for 1RM.

For information only, not medical advice. Always consult a qualified professional.

How to use the Gym Calculator | Step by Step Guide

  1. Select tab
  2. Choose metric/imperial
  3. Enter values
  4. Get results instantly

Gym calculator se BMI, calories, macros aur 1RM check kar sakte hain. Ye sirf maloomat ke liye hai.

Features

  • BMI
  • BMR/TDEE (Mifflin-St Jeor)
  • Macros by goal
  • US Navy Body Fat
  • 1RM Epley/Brzycki + % table
  • HR Zones
  • Water Intake
  • Metric/Imperial

Tips

  • Use accurate measurements
  • Track over time
  • Don't go below recommended minimums blindly

Frequently asked questions

Is the gym calculator free to use?

Yes — Gym Calculator has no usage cap, no sign-up and no watermark, and it is not a trial: the page is a static file on https://wafasmart.tech with no billing backend behind it.

Does anything get uploaded when I use gym calculator?

No. Gym Calculator reads your calculator straight into page memory, works on it locally and hands the result back as a download — there is no upload request to intercept, store or leak, and no log of what you processed.

Which BMR formula is used?

Mifflin-St Jeor equation as it is widely recommended.

Is this medical advice?

No. For information only, not medical advice.

Your files never leave your device — everything runs locally in your browser.