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Calibri vs Open Sans
Open Sans is a popular open-source alternative to Calibri's humanist design. At 85% similarity, Open Sans delivers a clean, professional aesthetic. Compare which works better for documents and office projects.
Design DNA
Design overlap:14%
Calibri
Open Sans
Highlighted traits are shared between both fonts
Visual Comparison
Calibri
Premium
Open Sans
FreeAa Bb Cc 123
The quick brown fox jumps over the lazy dog
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789 !@#$%^&*()
Feature Comparison
| Feature | Calibri | Open Sans |
|---|---|---|
| Type | Premium | Free |
| Classification | sans-serif | sans-serif |
| Variable Font | No | Yes |
| Weights | Multiple | Variable (100-900) |
| Italics | Yes | Yes |
| License | Commercial License Required | Apache-2.0 |
| Language Support | latin, latin-extended, cyrillic, greek | latin, latin-extended, cyrillic, cyrillic-extended, greek, greek-extended, vietnamese |
| Source | Microsoft | Google Fonts |
Best Use Cases
Typography for business documents, reports, and professional communications. Doc...
Typography optimized for websites, landing pages, and web applications. Web font...
Typography for established businesses, enterprise software, and professional ser...
Typography optimized for user interfaces, design systems, and digital products. ...
Typography suited for magazines, newspapers, and long-form content. Editorial fo...
Fonts that establish strong brand identity with distinctive character and versat...
Typography for desktop and web applications, software interfaces, and digital to...
Performance Comparison
| Metric | Calibri | Open Sans |
|---|---|---|
| Score | N/A | 54/100 |
| File Size | N/A | 706.8 KB |
| Weights | N/A | 9 (var) |
| Italics | N/A | Yes |
| Variable Font | N/A | Yes (1 axes) |
| Language Groups | N/A | 7 |
| CDN Delivery | N/A | Yes |
| x-Height Ratio | N/A | 0.535 |
| Cap Height Ratio | N/A | 0.714 |
Which Should You Choose?
Consider: Calibri
- Shares Calibri's readable character
- Variable font with continuous weight adjustment
- Supports 7 scripts including cyrillic and cyrillic-extended
- Delivers a clean, professional, friendly aesthetic
- Popular in healthcare-medical and enterprise-corporate design
Recommended: Open Sans
- Original design with refined typographic details
- Designed specifically for documents and office
- Commercial license with professional support
Free Alternatives to Consider
Other free alternatives to Calibri