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Calcimator

Body Composition Calculator

Complete body analysis: BMI, body fat percentage, ideal weight, daily calories (TDEE), and macro targets. Get all your fitness metrics in one comprehensive calculator.

Inputs

years
lbs
ft
in

Results

BMI

24.4

Body Fat

20%

Ideal Weight

159

TDEE

2,693 cal

Target Calories

2,693 cal/day

BMI CategoryNormal weight
Body Fat CategoryN/A (BMI estimate)
Lean Body Mass136
Fat Mass33.9
Weight Status10.6 lbs above ideal
Healthy Range (Min)129
Healthy Range (Max)174
BMR1,737 cal
Protein202g
Carbs269g
Fat90g
Protein per kg2.6 g/kg
Waist-to-Hip RatioN/A
WHR Health RiskN/A

BMI

24.4

Body Fat

20%

Ideal Weight

159

TDEE

2,693 cal

Target Calories

2,693 cal/day

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Unit System — Measurement system (imperial or metric). Choose from: Imperial (lbs, ft/in), Metric (kg, cm). default: 0.
  3. Gender — Biological sex for calculation accuracy. Choose from: Male, Female. default: 0.
  4. Age — Age in years. Accepts values from 15 years to 100 years (default: 30 years).
  5. Weight — Your current body weight Accepts values from 50 lbs to 500 lbs (default: 170 lbs).
  6. Height (feet) — Height in feet. Accepts values from 3 ft to 8 ft (default: 5 ft).
  7. Height (inches) — Additional inches beyond feet. Accepts values from 0 in to 11 in (default: 10 in).
  8. Activity Level — Your typical level of physical activity. Choose from: Sedentary (office job, little exercise), Lightly Active (exercise 1-3 days/week), Moderately Active (exercise 3-5 days/week), Very Active (exercise 6-7 days/week), Extra Active (athlete or physical job). default: 3.
  9. Your Goal — enter your preferred option from the dropdown. Choose from: Fat Loss (-500 cal/day), Maintenance, Muscle Gain (+300 cal/day). default: 1.
  10. Expand "Advanced Options" for additional fine-tuning. These optional inputs let you model more specific scenarios:
  11. Weight — enter a number in kg. Accepts values from 30 kg to 250 kg (default: 77 kg).
  12. Height — Height in centimeters. Accepts values from 100 cm to 250 cm (default: 178 cm).
  13. Waist Circumference — Measure at navel level for accurate body fat calculation Accepts values from 20 in to 60 in (default: 0 in).
  14. Neck Circumference — Measure just below the larynx Accepts values from 10 in to 25 in (default: 0 in).
  15. Hip Circumference — Required for female body fat calculation (widest point) Accepts values from 25 in to 70 in (default: 0 in).
  16. Waist Circumference — Measure at navel level for accurate body fat calculation Accepts values from 50 cm to 150 cm (default: 0 cm).
  17. Neck Circumference — enter a number in cm. Accepts values from 25 cm to 60 cm (default: 0 cm).
  18. Hip Circumference — Required for female body fat calculation Accepts values from 60 cm to 180 cm (default: 0 cm).
  19. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  20. BMI — Body Mass Index This is the primary result of this calculator.
  21. Body Fat — shown as a numeric value. This is the primary result of this calculator.
  22. Ideal Weight — shown as a numeric value. This is the primary result of this calculator.
  23. TDEE — Total Daily Energy Expenditure This is the primary result of this calculator.
  24. Target Calories — shown as a numeric value. This is the primary result of this calculator.
  25. BMI Category — your calculated result.
  26. Body Fat Category — your calculated result.
  27. Lean Body Mass — shown as a numeric value.
  28. Fat Mass — shown as a numeric value.
  29. Weight Status — your calculated result.
  30. Healthy Range (Min) — shown as a numeric value.
  31. Healthy Range (Max) — shown as a numeric value.
  32. BMR — Basal Metabolic Rate - calories burned at rest
  33. Protein — shown as a numeric value.
  34. Carbs — shown as a numeric value.
  35. Fat — shown as a numeric value.
  36. Protein per kg — Recommended: 1.6-2.2 g/kg for muscle building
  37. Waist-to-Hip Ratio — your calculated result.
  38. WHR Health Risk — your calculated result.
  39. Scroll down to explore 4 charts (Body Composition, Macro Split, Daily Calorie Goals, Ideal Weight by Formula) for a visual breakdown of the data.
  40. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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