Open Sans vs Calibri

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.

85% Similarity

Design DNA

Design overlap:14%

Open Sans

Visual
ReadableMinimalWarmFormal

Calibri

Structural
Humanist
Visual
ReadableModern
Purpose
Tech

Highlighted traits are shared between both fonts

Visual Comparison

Open Sans

Free

Aa Bb Cc 123

The quick brown fox jumps over the lazy dog

ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789 !@#$%^&*()

Calibri

Premium

Feature Comparison

Feature Open Sans Calibri
Type Free Premium
Classification sans-serif sans-serif
Variable Font Yes No
Weights Variable (100-900) Multiple
Italics Yes Yes
License Apache-2.0 Commercial License Required
Language Support latin, latin-extended, cyrillic, cyrillic-extended, greek, greek-extended, vietnamese latin, latin-extended, cyrillic, greek
Source Google Fonts Microsoft

Best Use Cases

Documents

Typography for business documents, reports, and professional communications. Doc...

Open Calibri
Open Calibri
Web Design

Typography optimized for websites, landing pages, and web applications. Web font...

Open Calibri
Corporate

Typography for established businesses, enterprise software, and professional ser...

Open Calibri
UI Design

Typography optimized for user interfaces, design systems, and digital products. ...

Open Calibri
Editorial

Typography suited for magazines, newspapers, and long-form content. Editorial fo...

Open Calibri
Branding

Fonts that establish strong brand identity with distinctive character and versat...

Open Calibri
Open Calibri
Applications

Typography for desktop and web applications, software interfaces, and digital to...

Open Calibri
Open Calibri

Performance Comparison

Metric Open Sans Calibri
Score 54/100 N/A
File Size 706.8 KB N/A
Weights 9 (var) N/A
Italics Yes N/A
Variable Font Yes (1 axes) N/A
Language Groups 7 N/A
CDN Delivery Yes N/A
x-Height Ratio 0.535 N/A
Cap Height Ratio 0.714 N/A

Which Should You Choose?

Recommended: Open Sans

  • 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
View Open Sans →

Consider: Calibri

  • Original design with refined typographic details
  • Designed specifically for documents and office
  • Commercial license with professional support
View Calibri →

Free Alternatives to Consider

Other free alternatives to Calibri


Related Comparisons