learn.howToCalculate
learn.whatIsHeading
ASTON (Asymptomatic Threshold in ON) formula estimates body composition from age and fitness level. It's used in athletic populations.
Guide étape par étape
- 1Calculate body density from skinfold measurements or bioimpedance
- 2Convert to body fat percentage using Siri or Brozek formula
- 3ASTON estimates optimal body composition ranges
Exemples résolus
Entrée
Young male athlete, density 1.07
Résultat
Body fat ≈ 9% (lean athletic range)
Using Siri formula
Erreurs courantes à éviter
- ✕Using athlete standards for non-athletes
- ✕Over-relying on single assessment method
Questions fréquentes
Is ASTON specific to a sport?
More general tool; sport-specific norms vary significantly.
How accurate is body composition assessment?
DEXA is gold standard; bioimpedance, skinfolds 3-5% error.
Prêt à calculer ? Essayez la calculatrice gratuite A S T O N
Essayez-le vous-même →