Compare Fonts → Sans Serif → Arimo vs Archivo

Arimo vs Archivo

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

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Arimo

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	Arimo	Archivo	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	52.8%	52.6%	0.2%
Cap heightHeight of capitals, as a share of the font size.	68.8%	68.6%	0.2%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.77	0.77	0.00
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	9.2%	9.2%	0.1%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.70	0.81	0.11
Average character widthMean lowercase advance. Higher takes more horizontal space.	48.9%	49.6%	0.7%

Stroke contrast: Arimo measures 0.70, Archivo measures 0.81. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
Average character width: Arimo measures 48.9%, Archivo measures 49.6%. Mean lowercase advance. Higher takes more horizontal space.
x-height: Arimo measures 52.8%, Archivo measures 52.6%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.