Display weight and volume units with space as per international standard

[sigmundpetersen]

Transferred from Discourse

What is the need / problem?

When displaying weights and volumes with units, we currently show the unit attached to the number without a space. For example 12kg or 10L (see more examples below).

It has been shown that the international standard is to separate units with a space, for example 12 kg or 10 L. See reference below.

However in some regions (Australia at least), this standard is not used.

Examples

Which type of users does this problem affect (and how many, if known)?

Potential solutions that will solve the problem?

1. We can add a space separator to displayed in all contexts. OR,
2. Maybe we could add a regional setting, according to local preference

Connected wishlist and discovery discussions

https://community.openfoodnetwork.org/t/display-weight-and-volume-units-with-space-as-per-international-standard/2832

References

• official publication (chapter 5.4.3): https://www.bipm.org/documents/20126/41483022/SI-Brochure-9.pdf
• in Wikipedia: https://en.wikipedia.org/wiki/International_System_of_Units#General_rules
• at NIST (see no. 15): https://physics.nist.gov/cuu/Units/checklist.html

[filipefurtad0]

From testing pov, I'd say the above proposed solutions:

1. We can add a space separator to displayed in all contexts. -> would be a papercut
2. Maybe we could add a regional setting, according to local preference -> would not be papercut; I can imagine we'd have quite a few different scenarios to test both manually and make sure each of these scenarios are covered in specs.