Quantity Builder

Build valid quantity objects with UCUM units for healthcare applications.

Quantity Configuration

Configure the properties of your FHIR Quantity object

The UCUM code for the unit

Optional human-readable unit description

Optional comparator for the value

Quantity JSON

The generated quantity object with UCUM units

Configure the quantity above to see the FHIR JSON

Example Quantities

Click any example to load it into the builder

About Quantity Objects

Quantity objects are used to represent measured amounts in healthcare applications. They include a numerical value, unit of measure, and optional comparator.

Required Properties

  • value - The numerical value
  • code - UCUM unit code
  • system - Always "http://unitsofmeasure.org"

Optional Properties

  • comparator - <, <=, >=, >, ~
  • unit - Human-readable unit