Compare Fonts → Sans Serif → Exo 2 vs Rethink Sans

Exo 2 vs Rethink Sans

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

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Exo 2

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.

Rethink Sans

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.
Measurement	Exo 2	Rethink Sans	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	48.7%	49.6%	0.9%
Cap heightHeight of capitals, as a share of the font size.	69.0%	70.0%	1.0%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.71	0.71	0.00
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	8.8%	8.5%	0.3%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.81	0.86	0.05
Average character widthMean lowercase advance. Higher takes more horizontal space.	51.9%	52.1%	0.2%

Where they diverge most

Stroke contrast: Exo 2 measures 0.81, Rethink Sans measures 0.86. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
x-height: Exo 2 measures 48.7%, Rethink Sans measures 49.6%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.
Stroke weight: Exo 2 measures 8.8%, Rethink Sans measures 8.5%. Measured thickness of a vertical stroke. Higher is heavier on the page.

At a glance

	Exo 2	Rethink Sans
Category	Sans Serif	Sans Serif
Weights	9	5
Variable axes	1	1
Language subsets	5	2
Designer	Natanael Gama	Hans Thiessen