Compare Fonts → Monospace → DM Mono vs PT Mono

DM Mono vs PT Mono

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

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DM 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	DM Mono	PT Mono	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	49.6%	50.0%	0.4%
Cap heightHeight of capitals, as a share of the font size.	70.0%	70.0%	0.0%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.71	0.71	0.01
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	8.6%	8.3%	0.3%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.93	0.81	0.12
Average character widthMean lowercase advance. Higher takes more horizontal space.	60.0%	60.0%	0.0%

Stroke contrast: DM Mono measures 0.93, PT Mono measures 0.81. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
Stroke weight: DM Mono measures 8.6%, PT Mono measures 8.3%. Measured thickness of a vertical stroke. Higher is heavier on the page.
x-height: DM Mono measures 49.6%, PT Mono measures 50.0%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.