Unit of measurement
A unit of measurement is a standardized reference quantity used to express and compare the magnitude of a measurable property.
Build Python Web Apps with Streamlit
A unit of measurement is a standardized quantity used to express the magnitude of a measurable property.
- How it is used
- Defines the selectable source and target values in a quantity-based conversion app.
- How deep it goes
- Works through conversion factors, standard units, configuration and backend calculation.
- Examples
- Uses pounds to ounces, yards to feet, and a mass-and-length unit configuration.
- What you can do after
- Build it from scratch as a configurable converter that calculates between units of the same quantity.
Read how Build Python Web Apps with Streamlit explains unit of measurement →
How Computers Make Books
A unit is a standardized quantity used to measure a physical or mathematical dimension.
- How it is used
- Uses units to specify where ink, pixels, letters, and page elements belong.
- How deep it goes
- Defines units through coordinates and the point, then works an A4-page example without developing measurement theory.
- Examples
- Uses centimeters, inches, points, an A4 page, and the coordinate (80, 630) as concrete measurement examples.
- What you can do after
- Apply units to describe and calculate positions for marks and page elements.
Read how How Computers Make Books explains unit of measurement →
Related concepts
- pointincludes · A point is a zero-dimensional location in a geometric or coordinate space represented by an ordered set of coordinate values.
- measurementpart of · Measurement is the systematic assessment of a property, behavior, or outcome that produces an observed value, score, or judgment.
- degreesincludes · A degree is a unit of angular measurement equal to one three-hundred-sixtieth of a full revolution.
- radianincludes · A radian is an angular unit defined by the angle at a circle’s center subtended by an arc whose length equals the circle’s radius.
- configurationhas part · A specification of settings, parameters, or component relationships that determines how a system, application, model, or process is structured or operates.
- primitive data typeuses · A primitive data type is a fundamental, language-provided type for representing a basic value, rather than a composite of multiple values.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.

