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Osteoporosis Self-Assessment (OST) Calculator

Result

Calculated result -0.2 Based on the values entered.
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Osteoporosis Self-Assessment (OST) Calculator — free online calculator.

Formula

OST = 0.2 × (weight in kg − age in years), truncated
  • Osteoporosis Self-Assessment (OST) Calculator calculates its result from Weight In Kg, Age In Years. It uses the formula OST = 0.2 × (weight in kg − age in years), truncated. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Weight In Kg, Age In Years. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Osteoporosis Self-Assessment (OST)

Inputs
  • Weight In Kg: 10
  • Age In Years: 11

Using Weight In Kg = 10, Age In Years = 11, the calculated result is -0.2.

Sample result: Calculating…

Frequently asked questions

What does the Osteoporosis Self-Assessment (OST) calculate?

Osteoporosis Self-Assessment (OST) Calculator — free online calculator.

Which values should I enter?

Enter Weight In Kg, Age In Years using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: OST = 0.2 × (weight in kg − age in years), truncated.

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026