Axis Labels and Scales on Graphs

Preferred style for quantities with units:

For dimensionless quantities:

For text labels that represent dimensionless quantities:

Style for logarithmic scales:

Additional instructions:

Use standard abbreviations for the units.
Add units of before nonstandard units for clarity: e.g., (a) $\longrightarrow$ (units of a).
Use small spaces, not hyphens, dots, or other symbols, between the parts of compound units.
Use multiplication signs and powers of 10 with superscripts for numbers on figure axes.
Do not use computer (E) notation.
Use decimal points (not commas) in numbers.
Avoid the ambiguity of using more than one solidus. Do not use a/b/c.
Add bracketing as needed to group fractions; e.g., instead of counts/sr/s, use counts/(sr s).

Not acceptable:

Do not use multiplication signs with units. Do not use an isolated power of ten as a unit. The following styles are ambiguous and are NOT ACCEPTABLE: