Smart Health Calculators

Health & Fitness Articles

Evidence-based guides on nutrition, body composition, and fat loss — designed to make sense of the numbers your calculators give you.

Body CompositionFeatured

BMI Chart for Indian Women: Healthy Range by Height and Age

A healthy BMI for Indian women is 18.5 to 22.9, lower than the standard chart. See the BMI and healthy weight chart by height in kg, how age changes things, and what to measure besides BMI.

24 June 20269 min read
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Fat Loss

How to Lose Belly Fat: An Indian Diet and Workout Guide

You cannot spot-reduce belly fat. Lose it with a modest calorie deficit, enough protein, strength training and walking. A practical Indian diet and workout plan, plus why belly fat matters more for Indians.

24 June 202611 min
Body Composition

Waist-to-Height Ratio: The 5-Second Health Check That Beats BMI

Keep your waist under half your height. A waist-to-height ratio below 0.5 is the healthy target. Learn how to measure it, the risk chart, and why it predicts heart and metabolic risk better than BMI.

24 June 20268 min
Nutrition

Indian Diet Chart for Weight Loss: Veg and Non-Veg Plans (with Calories)

A realistic Indian diet chart for weight loss with full-day veg and non-veg meal plans, calorie counts, and portion sizes. Built around roti, dal, sabzi, curd and paneer, not crash diets.

15 June 202612 min
Body Composition

BMI for South Asians and Indians: Why the Standard Chart Doesn't Apply to You

South Asians face higher health risks at a lower BMI. Learn India's 2025 revised obesity definition, the lower BMI cut-offs for Indians, and what to track instead.

4 June 202611 min
Body Composition

Body Recomposition: How to Lose Fat and Build Muscle at the Same Time

Body recomposition means losing fat and building muscle at the same time. Learn who can do it, how to set calories and protein, how to train, and how to track real progress.

4 June 202611 min
Nutrition

High-Protein Indian Foods: Complete Vegetarian and Non-Veg List (with Grams)

A complete list of high-protein Indian foods with protein per serving — dal, paneer, soya, curd, eggs, chicken and more — plus how much protein you need and easy ways to hit it.

4 June 202611 min
Fat Loss

How Long Does It Take to Lose 10 kg (or 20 lbs)? A Realistic Timeline

How long it really takes to lose 10 kg or 20 lbs, based on a safe 0.5-1 kg per week. Includes a realistic timeline table, the calorie maths, and why progress is not linear.

4 June 202610 min
Nutrition

How to Calculate a Calorie Deficit to Lose Weight

Learn how to calculate a calorie deficit for fat loss, estimate maintenance calories, choose a sustainable target, and avoid the most common dieting mistakes.

26 May 202612 min
Body Composition

Height and Weight Chart: Ideal Weight by Height for Men and Women

A complete height and weight chart showing the ideal weight for your height in kg and lbs, for men and women. Separate charts by sex, what weight suits your height and age, and the waist-to-height ratio that matters more than weight alone.

23 May 202612 min
Fitness

Heart Rate Zones Explained: A Beginner's Guide to Training Smarter

Learn what heart rate zones are, how to calculate them, what each zone does, and how to use them for fat loss, endurance, and better cardio training.

23 May 202611 min
Nutrition

How Many Calories Do I Burn a Day? (BMR and TDEE Explained)

Find out how many calories your body burns at rest and in total each day. Covers the Mifflin-St Jeor formula, worked examples, activity multipliers, and what affects your metabolism.

23 May 202611 min
Nutrition

How Much Protein Do You Need Per Day?

Learn how much protein you need per day for general health, fat loss, and muscle maintenance, with simple gram-per-kilogram targets and practical examples.

23 May 202610 min
Body Composition

How to Calculate Body Fat at Home Without Equipment

Learn how to estimate body fat at home without expensive equipment using simple measurements, mirror checks, photos, and the Navy body fat method.

23 May 202610 min
Nutrition

Macro Calculator for Weight Loss: How to Set Your Macros

Learn how to calculate macros for weight loss, set protein, carbs and fats correctly, and turn calorie targets into a practical macro plan you can actually follow.

23 May 202612 min
Body Composition

Why BMI Is Inaccurate (And What to Use Instead)

BMI can be useful as a screening tool, but it often misclassifies individuals. Learn why BMI is inaccurate, who it gets wrong, and which metrics give a clearer picture.

23 May 202610 min
Nutrition

How Many Calories Should I Eat Per Day? Simple Calorie Guide

Learn how many calories you should eat per day based on BMR, activity level, TDEE and your goal. Simple guide with calorie examples and practical tips.

21 May 202614 min
Body Composition

BMI vs Body Fat: Which Number Actually Tells You More About Your Health?

BMI and body fat percentage both measure health differently. Learn which number matters more, when BMI is useful, and why body fat gives a clearer picture.

19 May 202612 min
Body Composition

Body Fat Percentage Chart by Age and Gender

See healthy body fat percentage ranges for men and women by age, learn what your result means, and understand why body fat matters more than weight alone.

19 May 202610 min
Fitness

Fat Burning Heart Rate Zone: How to Find Yours

Learn how to find your fat burning heart rate zone, calculate your target heart rate, understand Zone 2 cardio, and use heart rate zones for smarter workouts.

19 May 202611 min
Fitness

Resting Heart Rate by Age: What's Normal? + Chart

Learn what a normal resting heart rate is by age, how to measure your pulse, what affects your heart rate, and when to speak with a doctor.

19 May 20268 min
Fat Loss

How to Lose Body Fat Without Losing Muscle

Most people who "lose weight" lose both fat and muscle. Here's how to make sure you're losing the right kind — with the numbers to back it up.

14 May 20266 min
Body Composition

What Is a Healthy BMI and Should You Even Care?

BMI is one of the most widely used health metrics in the world, and also one of the most misunderstood. Here is what it actually measures, where it falls short, and what to check alongside it.

14 May 20265 min

Topics covered

BMIIndian womenhealthy weightSouth Asianbody compositionwaistbelly fatvisceral fatIndian dietcalorie deficitfat losswaist to height ratiowaist circumferencemetabolic healthweight lossdiet chartvegetarianmeal planIndianhealth metricsbody recompositionbuild muscleproteinstrength trainingvegetarian proteinhigh protein foodsnutritionmuscleweight loss timelinelose 10kgcaloriesTDEEheight weight chartideal weightweight according to heightideal weight for menheart rate zonescardiofat burningzone 2enduranceBMRmetabolismcalorie burnmacrosmuscle retentionbody fatbody fat percentagenavy methodhealth screeningheart ratezone 2 cardioresting heart ratecardiovascular healthfitnessweight