Health Calculators

Body Shape Index Calculator

Calculate body shape index with clear inputs, formulas, and supporting results.

Free browser-based tool • No signup required
Body Shape Index

Body Shape Index Calculator

A Body Shape Index
Body mass index
Waist-to-height ratio
Results are estimates for informational purposes. Verify critical calculations and project requirements independently.

Calculator Inputs and Outputs

Inputs

  • Waist circumference (cm) — example: 90
  • Height (cm) — example: 175
  • Weight (kg) — example: 78

Results

  • A Body Shape Index
  • Body mass index
  • Waist-to-height ratio

Formula used

ABSI = waist circumference in meters ÷ (BMI^(2/3) × height^(1/2)).

How to Use the Body Shape Index Calculator

Enter the requested values, check the units and assumptions, then select Calculate Body Shape Index. The built-in defaults provide a complete working example.

Formula

ABSI = waist circumference in meters ÷ (BMI^(2/3) × height^(1/2)).

Understanding the Results

The primary answer appears first. Supporting outputs show related quantities, conversions, dates, costs, ratios, or intermediate values. Calculations keep additional precision before display rounding.

Accuracy Tips

  • Use measured values and consistent units.
  • Review assumptions, rates, timing, and efficiency inputs.
  • Recalculate after changing any condition.

Important Note

This tool provides an informational estimate. Confirm critical financial, medical, construction, scientific, tax, legal, or safety decisions with an appropriately qualified professional.

Calculation Standards

This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.

Read our calculation methodology