Ruler App – Measure cm mm inch
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About this app
📏 Smart Ruler App – Accurate Screen Ruler to measure Length & Width at once in cm, mm and inches- a real screen double scale or measuring tape.
Use this phone ruler, digital ruler, and screen measuring tape to measure length & width of objects simultaneously. Measure in both- cm/mm & inches at once.
Turn your phone into a precise screen ruler and measuring tool.
Use this screen ruler app to measure length, size, width, or height of objects accurately in cm, mm, and inches.
This phone ruler displays metric ruler (cm/mm) and inch ruler measurements together, just like a real scale ruler or measuring tape.
Perfect for measuring objects, checking size, measuring paper, screen items, crafts, or DIY work.
Your smartphone becomes a portable ruler and measuring tape anytime you need it.
✨ Key Features
📏 Accurate Screen Ruler
Measure length & width/height of objects precisely using a cm ruler, mm ruler, and inch ruler on your phone screen.
📐 4-Side Digital Ruler
Use the screen ruler scale on Top, Bottom, Left, and Right edges for easy measurement.
🎯 Dual Slider Measuring Tool
Measure length and width simultaneously using two adjustable sliders — ideal for checking object size quickly.
🔢 Decimal & Fraction Inch Support
Supports decimal inches and fractions like 1/4, 1/8, and 1/16 inch for precise measurement.
🔄 Built-in Unit Converter
Instantly real-time convert mm ⇄ inch and cm ⇄ inch using the integrated converter.
🌙 Multiple Theme Ruler
Use the ruler comfortably with Dark/Night, Yellow, Grey, Blue, or White themes.
🌙 Yellow Night Mode
The bright yellow screen helps you measure and find objects in low light.
📱 Full Screen Measuring Tape
Use the entire phone screen as a large digital ruler or measuring scale.
⚙ Simple Calibration
Calibrate the screen ruler easily to improve measurement accuracy.
📐 What You Can Measure
Use this ruler app / measuring tape to measure:
📄 Paper and documents
📦 Small objects and packages
📱 Screen elements and UI sizes
📏 DIY measurements
📚 Books and stationery
✂ Craft materials
🧵 Fabric and sewing items
Perfect when you need to measure something but don’t have a real ruler or tape measure nearby.
🚀 Why Use This Ruler App?
✔ Works as digital ruler + measuring tape
✔ Shows cm/mm ruler and inch ruler together
✔ Easy and clean phone ruler interface
✔ Accurate measurement tool for everyday use
✔ Fast cm ⇄ inch converter included
Measure length, size, width, or height instantly using your phone.
📥 Download Now
Download Smart Ruler – Screen Ruler & Measuring Tape and measure objects easily using cm, mm, and inches directly on your phone.
📏 Your phone is now a portable ruler, scale ruler, and measuring tape.
Use this phone ruler, digital ruler, and screen measuring tape to measure length & width of objects simultaneously. Measure in both- cm/mm & inches at once.
Turn your phone into a precise screen ruler and measuring tool.
Use this screen ruler app to measure length, size, width, or height of objects accurately in cm, mm, and inches.
This phone ruler displays metric ruler (cm/mm) and inch ruler measurements together, just like a real scale ruler or measuring tape.
Perfect for measuring objects, checking size, measuring paper, screen items, crafts, or DIY work.
Your smartphone becomes a portable ruler and measuring tape anytime you need it.
✨ Key Features
📏 Accurate Screen Ruler
Measure length & width/height of objects precisely using a cm ruler, mm ruler, and inch ruler on your phone screen.
📐 4-Side Digital Ruler
Use the screen ruler scale on Top, Bottom, Left, and Right edges for easy measurement.
🎯 Dual Slider Measuring Tool
Measure length and width simultaneously using two adjustable sliders — ideal for checking object size quickly.
🔢 Decimal & Fraction Inch Support
Supports decimal inches and fractions like 1/4, 1/8, and 1/16 inch for precise measurement.
🔄 Built-in Unit Converter
Instantly real-time convert mm ⇄ inch and cm ⇄ inch using the integrated converter.
🌙 Multiple Theme Ruler
Use the ruler comfortably with Dark/Night, Yellow, Grey, Blue, or White themes.
🌙 Yellow Night Mode
The bright yellow screen helps you measure and find objects in low light.
📱 Full Screen Measuring Tape
Use the entire phone screen as a large digital ruler or measuring scale.
⚙ Simple Calibration
Calibrate the screen ruler easily to improve measurement accuracy.
📐 What You Can Measure
Use this ruler app / measuring tape to measure:
📄 Paper and documents
📦 Small objects and packages
📱 Screen elements and UI sizes
📏 DIY measurements
📚 Books and stationery
✂ Craft materials
🧵 Fabric and sewing items
Perfect when you need to measure something but don’t have a real ruler or tape measure nearby.
🚀 Why Use This Ruler App?
✔ Works as digital ruler + measuring tape
✔ Shows cm/mm ruler and inch ruler together
✔ Easy and clean phone ruler interface
✔ Accurate measurement tool for everyday use
✔ Fast cm ⇄ inch converter included
Measure length, size, width, or height instantly using your phone.
📥 Download Now
Download Smart Ruler – Screen Ruler & Measuring Tape and measure objects easily using cm, mm, and inches directly on your phone.
📏 Your phone is now a portable ruler, scale ruler, and measuring tape.
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 parties
Learn more about how developers declare sharing
No data collected
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Data is encrypted in transit
Data can’t be deleted
What’s new
* Supports inch fractions such as 1/4, 1/8, and 1/16 for precise measurements.
* Multiple colour themes available – Yellow, White, Grey, Blue, and Dark/Night mode.
* Yellow theme helps measure and view objects easily in low light.
* Multiple colour themes available – Yellow, White, Grey, Blue, and Dark/Night mode.
* Yellow theme helps measure and view objects easily in low light.
