Compare Fonts

Compare FontsMonospace → Roboto Mono vs IBM Plex Mono

Roboto Mono vs IBM Plex Mono

Both are monospace faces on Google Fonts. Roboto Mono has the larger x-height, so it looks bigger at the same size. Roboto Mono takes more horizontal space.

Roboto Mono

Handgloves & Quartz Jockeys

Handgloves & Quartz Jockeys

The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs, then ship it to 1,842 Grove Street by 9:30 AM.

IBM Plex Mono

Handgloves & Quartz Jockeys

Handgloves & Quartz Jockeys

The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs, then ship it to 1,842 Grove Street by 9:30 AM.

Measured differences

Measured from the font files. Heights and widths are shown as a share of the font size, so they compare directly at any point size.
MeasurementRoboto MonoIBM Plex MonoDifference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.52.8%51.6%1.2%
Cap heightHeight of capitals, as a share of the font size.71.1%69.8%1.3%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.0.740.740.00
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.9.0%8.5%0.5%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.0.820.810.00
Average character widthMean lowercase advance. Higher takes more horizontal space.60.0%60.0%0.0%

Where they diverge most

At a glance

  Roboto Mono IBM Plex Mono
Category Monospace Monospace
Weights 7 7
Variable axes 1 None
Language subsets 6 5
Designer Christian Robertson Mike Abbink

See fonts similar to Roboto Mono or fonts similar to IBM Plex Mono.