Compare Fonts → Monospace → Source Code Pro vs IBM Plex Mono
Source Code Pro vs IBM Plex Mono
Both are monospace faces on Google Fonts. IBM Plex Mono has the larger x-height, so it looks bigger at the same size. IBM Plex Mono takes more horizontal space.
Source Code Pro
Handgloves & Quartz Jockeys
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.
IBM Plex Mono
Handgloves & Quartz Jockeys
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
| Measurement | Source Code Pro | IBM Plex Mono | Difference |
|---|---|---|---|
| x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size. | 48.6% | 51.6% | 3.0% |
| Cap heightHeight of capitals, as a share of the font size. | 66.0% | 69.8% | 3.8% |
| x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open. | 0.74 | 0.74 | 0.00 |
| Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page. | 8.5% | 8.5% | 0.0% |
| Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation. | 0.80 | 0.81 | 0.01 |
| Average character widthMean lowercase advance. Higher takes more horizontal space. | 60.0% | 60.0% | 0.0% |
Where they diverge most
- x-height: Source Code Pro measures 48.6%, IBM Plex Mono measures 51.6%. Height of lowercase letters, as a share of the font size. Higher reads larger at the same point size.
- Stroke contrast: Source Code Pro measures 0.80, IBM Plex Mono measures 0.81. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
- x-height to cap ratio: Source Code Pro measures 0.74, IBM Plex Mono measures 0.74. Proportion of lowercase to uppercase. Higher feels more modern and open.
At a glance
| Source Code Pro | IBM Plex Mono | |
|---|---|---|
| Category | Monospace | Monospace |
| Weights | 8 | 7 |
| Variable axes | 1 | None |
| Language subsets | 7 | 5 |
| Designer | Paul D. Hunt | Mike Abbink |
See fonts similar to Source Code Pro or fonts similar to IBM Plex Mono.