Compare Fonts → Monospace → IBM Plex Mono vs Cousine

IBM Plex Mono vs Cousine

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

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IBM Plex Mono

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.

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 from the font files. Heights and widths are shown as a share of the font size, so they compare directly at any point size.
Measurement	IBM Plex Mono	Cousine	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	51.6%	52.8%	1.2%
Cap heightHeight of capitals, as a share of the font size.	69.8%	65.9%	3.9%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.74	0.80	0.06
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	8.5%	9.2%	0.7%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.81	0.70	0.11
Average character widthMean lowercase advance. Higher takes more horizontal space.	60.0%	60.0%	0.0%

Stroke contrast: IBM Plex Mono measures 0.81, Cousine measures 0.70. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
x-height to cap ratio: IBM Plex Mono measures 0.74, Cousine measures 0.80. Proportion of lowercase to uppercase. Higher feels more modern and open.
Stroke weight: IBM Plex Mono measures 8.5%, Cousine measures 9.2%. Measured thickness of a vertical stroke. Higher is heavier on the page.