Nombre Marches = HSS / HMT =
Hauteur Marche = HSS / NBRM =
AB = ED1 - LARGE =
BC = 2 × PI × CLF ÷ 4 =
CD = ED2 - 2 × LARGE =
DE = 2 × PI × CLF ÷ 4 =
EF = ED3 - LARGE =
Etendue Disponible = somme de AB + BC + ... =
Etendue Réelle = ED - (SD + N + MP ) =
Giron = ER / (NBRM - 1) =
Vérification Blondel = 2 x HM + G =
Longueur Limon = √ HSS ² + ED ²  + G =
Largeur Escalier = CAGE - 2 x AISE =
Emmarchement = lE - 2 x Ep L =
Longueur Marche = EMM + 2 x AISE =
Largeur Marche = G + NEZ =
Largeur Contre-marche = HM + AISE =