AR Ruler: Tape Measure & Level

AR Ruler turns your phone into a complete measuring toolbox. Measure length, distance, angles, and slope with an AR tape measure, an on-screen ruler, a bubble level, a protractor, and a compass—all in one offline-friendly app.

No tape measure or spirit level at hand? Hanging a picture, assembling furniture, checking a shelf, or planning a DIY project? Open the app and measure in seconds.

📱 AR TAPE MEASURE
• Measure real-world distance with your camera using augmented reality (ARCore)
• Drop points on floors, tables, and walls, then chain them to measure room length, furniture, and height
• View every segment and the running total in cm, m, inches, or feet
• Undo, clear, and save each measurement easily

🟢 BUBBLE LEVEL & SPIRIT LEVEL
• Surface mode for tables, shelves, and appliances; edge mode for frames, doors, and beams
• Accurate readings down to 0.1° with slope percentages
• Hold values, get haptic vibration feedback when level, and use sound feedback to hear the bubble center
• Two-step calibration removes sensor errors for maximum accuracy

📐 RULER APP (CM & INCH)
• On-screen ruler with centimeters, millimeters, and inches (1/16")
• Drag two lines to measure small objects, screws, coins, and paper
• Calibrate in seconds using a standard bank card or coin

📐 PROTRACTOR & ANGLE FINDER
• Measure any angle by dragging the arms, with reflex angles displayed instantly
• Camera mode (Pro) lets you measure angles of real-world objects

🧭 COMPASS & METAL FINDER
• Reliable compass with cardinal directions and bearing lock
• Magnetic field meter in µT to help locate studs, pipes, and wires behind walls

📍 PLUMB BOB
• Check true vertical alignment on door frames, posts, and walls

🔍 MAGNIFIER
• Built-in magnifying glass with zoom, flashlight, and freeze frame for small text

🖼️ PICTURE HANGING ASSISTANT
• Input wall and frame sizes to calculate precise nail positions and heights
• Frames are spaced evenly and centered at eye level with a visual layout

📈 SLOPE & RAMP CALCULATOR
• Live inclinometer (clinometer) showing slope in degrees, percent, and 1:x ratios
• Rise and run calculator for ramps, roofs, drainage, and stairs

✨ WHY CHOOSE AR RULER
• 3-step calibration wizard for the ruler, level, and compass
• Measurement history you can share with one tap
• Supports both metric and imperial units
• Large, high-contrast readouts and a dark interface designed for job sites
• Fully functional offline—your data stays on your device

Ideal for DIY home improvement, carpenters, contractors, interior designers, architecture students, campers, and anyone needing quick, reliable measurements.

AR RULER PRO
Remove ads and unlock unlimited AR measuring, the camera protractor, and unlimited history. Choose a one-time lifetime purchase or a flexible weekly, monthly, or yearly plan. You can also try Pro tools for free using keys earned from daily streaks or optional rewarded videos.

Note: AR measuring requires a device supporting Google Play Services for AR (ARCore). Results are estimates based on lighting, surface texture, and device sensors; for critical construction work, always confirm measurements with a physical tool.

Download AR Ruler and turn your mobile device into a smart measurement toolkit today!