Actual Heel Height: 5.31in(13.5cm) Platform Height : 1.57 in (4cm) Shaft Height: 21.65"or Taller (Approx.55cm or Taller) Shaft Circumference :14"-16"(Approx.35.56cm-40.64cm) We are using the US size, please purchase according to the US Size! Size Conversion US5 / EU35 / UK3 =22cm foot length US5.5 / EU36 / UK3.5 =22.5cm foot length US6 / EU36 / UK4 = 23cm foot length US6.5-7 / EU37 / UK4.5-5=23.5cm foot length US7.5 / EU38 / UK5.5 =24cm foot length US8 / EU39 / UK6 =24.5cm foot length US8.5 / EU39 / UK6.5=25cm foot length US9 / EU40 / UK 7 =25.5cm foot length US9.5-10 / EU41 / UK 7.5-8 =26cm foot length US10.5 / EU42 / UK 8.5 =26.5cm foot length