Smart Ruler: Measure Tool
Everyone
info
0+
Downloads
Everyone
Learn more
About this app
Ruler is a free, accurate ruler and measuring tape app. Measure length, distance, and objects in cm, mm, and inch right on your screen.
📏 Screen ruler & tape measure — clear markings in cm / mm / inch.
🔧 Calibrate with a credit card (85.6 mm) for precise measurement.
📐 Angle & protractor mode for DIY, crafts, and school.
▦ Area measurement for rooms and surfaces.
🌍 15 languages supported.
English, Spanish, Portuguese, German, French, Japanese, Korean, Italian, Chinese (Simplified), Chinese (Traditional), Turkish, Hindi, Indonesian, Vietnamese, Thai.
The simplest pocket ruler, tape measure, angle, and area measuring app —
always with you.
📏 Screen ruler & tape measure — clear markings in cm / mm / inch.
🔧 Calibrate with a credit card (85.6 mm) for precise measurement.
📐 Angle & protractor mode for DIY, crafts, and school.
▦ Area measurement for rooms and surfaces.
🌍 15 languages supported.
English, Spanish, Portuguese, German, French, Japanese, Korean, Italian, Chinese (Simplified), Chinese (Traditional), Turkish, Hindi, Indonesian, Vietnamese, Thai.
The simplest pocket ruler, tape measure, angle, and area measuring app —
always with you.
Measure length accurately with a simple ruler in cm and inches.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
- Data is encrypted in transit
- Data can’t be deleted
What’s new
Bugfix.
Everyone
Learn moreApp support
About the developer
Zhang Ling
finger.help0221@gmail.com
高川乡南马坦村304号
沧县, 沧州市, 河北省
China
010000
