Compare Fonts → Sans Serif → Fjalla One vs Anton

Fjalla One vs Anton

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

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Fjalla One

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	Fjalla One	Anton	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	67.2%	73.2%	6.0%
Cap heightHeight of capitals, as a share of the font size.	83.4%	85.9%	2.5%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.81	0.85	0.05
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	12.4%	17.8%	5.4%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.74	0.76	0.02
Average character widthMean lowercase advance. Higher takes more horizontal space.	43.4%	45.5%	2.1%

Stroke weight: Fjalla One measures 12.4%, Anton measures 17.8%. Measured thickness of a vertical stroke. Higher is heavier on the page.
x-height: Fjalla One measures 67.2%, Anton measures 73.2%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.
Average character width: Fjalla One measures 43.4%, Anton measures 45.5%. Mean lowercase advance. Higher takes more horizontal space.