Size Instructions:

For kids between 5-10 years old

EU: 25--US: 11.5：from heel to toe: 17 cm/ 6.7 inch
EU: 26--US: 12：from heel to toe: 17.5 cm/ 6.9 inch
EU: 27--US: 12.5：from heel to toe: 18 cm / 7.1 inch
EU: 28--US: 13：from heel to toe: 18.5 cm/ 7.3 inch
EU: 29--US: 13.5：from heel to toe: 19 cm/ 7.5 inch
EU: 30--US: 1：from heel to toe：19.5 cm/ 7.7 inch
EU: 31--US: 1.5: from heel to toe: 20 cm/ 7.9 inch
EU: 32--US: 2：from heel to toe：20.5 cm/ 8.1 inch
EU: 33--US: 2.5: from heel to toe：21 cm/ 8.3 inch

More than 10 years old kids and women
EU: 34--US: 4: from heel to toe：21.5 cm/ 8.5 inch
EU: 35--US: 4.5: from heel to toe：22 cm/ 8.7 inch
EU: 36--US: 5: from heel to toe：22.5 cm/ 8.9 inch
EU: 37--US: 5.5: from heel to toe：23 cm/ 9.1 inch
EU: 38--US: 6: from heel to toe：23.5 cm/ 9.3 inch
EU: 39--US: 6.5: from heel to toe：24 cm/ 9.5 inch
EU: 40--US: 7: from heel to toe：24.5 cm/ 9.7 inch
EU: 41--US: 7.5: from heel to toe：25 cm/ 9.9 inch
EU: 42--US: 8: from heel to toe：25.5 cm/ 10.1 inch
EU: 43--US: 8.5: from heel to toe：26 cm/ 10.3 inch
EU: 44--US: 9: from heel to toe：26.5 cm/ 10.5 inch

Ballet dance shoes are not supposed to fit like regular street shoes, so suggest chose size up to fit well.
Also don\'t forget to choose one size up for wide feet or high instep.

Right ways to find your shoe size:
Foot on a paper, measure when you are standing, wearing the socks or stockings you will wear with your new shoes.
Measure the longest distance from heel to toe.
Using the chart above, convert your inches or centimeter measurement to your shoe size.