Calçado Infantil BR (cm → BR)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
criança
About this calculator
This calculator helps parents and caregivers to convert the shoe size of their children from centimeters to the size in number BR. With this tool, it's easy to calculate the right size for your child.
The formula used is simple and direct: BR = cm × 1,5 − 2. Just enter the size in centimeters to get the equivalent size in number BR.
This calculator is especially useful for online shopping of children's shoes or when you need to calculate the size of a shoe that your child has in another brand.
Additionally, it's worth noting that different brands may have slightly different sizes, so it's always a good idea to check the size in different brands before making a purchase.
Frequently asked questions
How does this calculator work?
This calculator uses the formula BR = cm × 1,5 − 2 to convert the size in centimeters to the size in number BR. Just enter the size in centimeters and the result will be shown.
Do I need to know the size of my child's shoe in centimeters to use this calculator?
Yes, you need to know the size of your child's shoe in centimeters to use this calculator. Then, just enter the size and the result will be shown.
Is this calculator reliable?
Yes, this calculator is based on a direct and simple formula. However, please note that different brands may have slightly different sizes, so it's always a good idea to check the size in different brands before making a purchase.
Can I use this calculator to calculate adult shoe sizes?
No, this calculator is designed specifically to calculate children's shoe sizes. If you need to calculate adult shoe sizes, please use another calculator.