Calculadora de Relação Cintura-Estatura
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
RCE = cintura / altura (risco se > 0,5)
About this calculator
The Waist-to-Height Ratio (WHtR) Calculator is a tool that assesses abdominal fat distribution relative to height. The calculation is simple: divide waist circumference by height, both in centimeters. The result indicates risk for cardiovascular and metabolic diseases, such as type 2 diabetes. Studies show that WHtR is a more sensitive predictor than BMI for identifying visceral fat.
How to use: measure your waist at the midpoint between the last rib and the iliac crest, with the tape snug but not compressing the skin. Measure height barefoot. Divide the values. The WHO recommended cutoff is 0.5. Values above indicate increased risk, especially above 0.6. WHtR is useful for adults of both sexes but does not replace a complete medical evaluation.
When to use: ideal for routine check-ups, before starting exercise programs or diets, and to monitor changes in body composition over time. It is especially relevant for people with normal BMI but abdominal fat accumulation (metabolic syndrome). It can also be used in children and adolescents with specific reference curves.
Cautions: waist measurement must be standardized. Avoid measuring after meals or with a full bladder. WHtR does not differentiate subcutaneous from visceral fat; imaging exams are needed for detailed assessment. Do not use for disease diagnosis; consult a healthcare professional. In the elderly, the ratio may be affected by height loss due to osteoporosis.
Frequently asked questions
What is the difference between WHtR and BMI?
BMI assesses total weight relative to height but does not distinguish fat from muscle. WHtR focuses on abdominal fat, which is more associated with cardiovascular risks. WHtR is considered more accurate for predicting health issues.
What should I do if my WHtR is above 0.5?
Consult a doctor for evaluation. Measures such as a balanced diet, aerobic and resistance exercises, and stress reduction can help reduce abdominal fat.
Does WHtR work for children?
Yes, but cutoff points vary by age and sex. Consult specific charts or a pediatrician to interpret the result.
Can I use WHtR if I am pregnant?
It is not recommended, as waist measurements are altered during pregnancy. Consult your obstetrician for proper assessment.
How to measure waist correctly?
Stand with feet together. Place the tape measure around the abdomen at the level of the navel or midway between the last rib and the hip bone. The tape should be snug but not tight.