Free Fitness Science Calculators

GymWorkout Free Tools & Calculators

Every calculator is built on validated sports science literature and customized for Indian dietary patterns. No paywalls, zero signups required.

Deterministic Program Engine

Workout Plan Generator

Create an evidence-based 2 to 6 day workout split tailored to your specific goal, training experience, and available equipment.

Biomechanics Formula

One Rep Max (1RM) Calculator

Calculate your theoretical 1RM across compound lifts using the validated Epley and Brzycki formulas with a complete percentage load table.

Indian Nutrition Science

Daily Protein Calculator for Indian Diets

Determine your optimal daily protein target in grams for muscle building or fat loss, with exact portions of paneer, soya, eggs, and sattu to reach it.

Metabolic Calculation

TDEE & Caloric Goal Calculator

Mifflin-St Jeor formula calculating your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with cut and bulk targets.

Desi Macro Database

Indian Food Macro & Calorie Calculator

Interactive plate builder for authentic Indian foods: paneer, soya chunks, boiled eggs, dal tadka, roti, rice, curd, and sprouts.