Compare Fonts → Sans Serif → Open Sans vs Manrope

Open Sans vs Manrope

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

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Open 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.

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	Open Sans	Manrope	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	53.5%	54.0%	0.5%
Cap heightHeight of capitals, as a share of the font size.	71.4%	72.0%	0.6%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.75	0.75	0.00
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	8.4%	7.8%	0.6%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.81	0.90	0.10
Average character widthMean lowercase advance. Higher takes more horizontal space.	52.2%	52.3%	0.0%

Stroke contrast: Open Sans measures 0.81, Manrope measures 0.90. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
Stroke weight: Open Sans measures 8.4%, Manrope measures 7.8%. Measured thickness of a vertical stroke. Higher is heavier on the page.
x-height: Open Sans measures 53.5%, Manrope measures 54.0%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.