Body Fat Calculator

Last updated: 2026-08-24

Body Fat Calculator — Calculate body fat percentage.
Inputs
Result
Enter values and press Calculate

How to use it

  1. Enter your IMC calculado previamente
  2. Enter your edad in years
  3. Apply formula: 1.20 × IMC + 0.23 × edad - 16.2 (hombres)
  4. To women Use: 1.20 × IMC + 0.23 × edad - 5.4

Common mistakes

  • ⚠️ Use IMC calculado with height incorrecta (propaga error)
  • ⚠️ Compare % grasa hombre with mujer (women tienen 10-12% more esencial)
  • ⚠️ Confiar ciegamente without Consider method of medición (DEXA is gold standard)

Worked example

Calculate body fat using US Navy method.

The percentage of grasa difiere per sexo due to diferencias biológicas; women tienen esencialmente more grasa.

Input guide

FieldTypical range
edadEdad typical: 18-80
imcIMC standard: 18.5-25