AR Ruler: Camera Tape Measure

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About this app

📏 Measure a whole room in 10 seconds — no tape measure needed.

Point your camera, tap two points, and get instant length, height, area and volume in cm, m, mm, inch, feet or yard. AR Ruler turns your phone into a camera tape measure, a digital ruler, a bubble level, a compass and a scanner — so you can delete five apps and keep one.

▬ WHY PEOPLE KEEP THIS APP
✔ Measure without carrying a measuring tape or laser meter
✔ Get a room's area and perimeter in seconds, not minutes
✔ Works offline — no account, no sign-up
✔ Save any result with a photo and share it in one tap
✔ Lightweight and fast to open

▬ AR RULER — MEASURE WITH YOUR CAMERA
- Length & distance — measure any object or gap
- Height — walls, doors, ceilings, furniture and people
- Area & perimeter — floor space, walls and room dimensions
- Volume — boxes, parcels, luggage and 3D objects
- Path — curved or multi-point distances
- Angle — corners, slopes and joints
- Distance meter — from your phone to any point on a surface

▬ RULER
- On-screen ruler in cm, mm and inch for small objects
- Simple calibration for accurate results on any screen size

▬ SMART TOOLS — THESE WORK ON EVERY PHONE
🧭 Compass — accurate digital compass with degrees
📐 Bubble level (spirit level) — check horizontal & vertical alignment
📏 Protractor & angle finder — measure slope and angle
📷 QR code & barcode scanner
📄 Document scanner — scan pages straight to PDF
🔊 Sound meter — check noise level in decibels
🔄 Unit converter — switch between metric and imperial instantly

None of these need AR, so they run even on older devices.

▬ MADE FOR
🏠 Home & DIY — hang shelves, fit furniture, plan a layout
🏗 Construction — quick on-site dimensions without a laser meter
🛋 Interior design & real estate — room dimensions and floor plans
✈ Travel — check baggage size and hotel room space
🎓 Students & hobbyists — crafts, school projects and quick checks

▬ HOW IT WORKS
1. Open the app and allow camera access
2. Move your phone slowly so it can detect a flat surface
3. Choose a mode: distance, height, area, volume or angle
4. Tap to place points and read the measurement instantly
5. Save it with a photo or share it

▬ ABOUT ACCURACY
Camera measurement is powered by Google ARCore. For the best results, measure in good light on a textured surface, and hold your phone steady while the surface is detected. AR modes need an ARCore-supported device — the on-screen ruler, level, compass, protractor, scanners and sound meter work on all phones.

Download AR Ruler and replace your tape measure, ruler, level, protractor and compass with one app.