source: https://www.w3.org/2021/06/musicxml40/musicxml-reference/elements/scaling/
MusicXML 4.0 >
MusicXML reference >
Elements >
scaling
Parent element:
<defaults>
Margins, page sizes, and distances are all measured in tenths to keep MusicXML data in a consistent coordinate system as much as possible. The translation to absolute units is done with the element, which specifies how many millimeters are equal to how many tenths. For a staff height of 7 mm, would be set to 7 while is set to 40. The ability to set a formula rather than a single scaling factor helps avoid roundoff errors.
In this order
None.
This element is used in the following examples:
and , , , Tutorial: Après un rêve, Tutorial: Chopin Prelude, Tutorial: Chord Symbols, Tutorial: Percussion, Tutorial: Tablature