Digital Caliper

📏 Digital Caliper — Your Pocket Precision Tool

Digital Caliper turns your phone into a real digital caliper.
When your physical caliper isn't available or you need a quick
measurement, use your phone to measure precisely in millimeters
and inches..

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✨ FEATURES

📐 Real Measurement
Precise measurement in mm and inches after calibration.
Accurate results on every phone thanks to calibration.

🔄 Dual Unit Support
Switch between millimeters (mm) and inches with one tap.
Automatic conversion, precise decimal display.

🌍 10 Languages
Turkish, English, German, French, Spanish, Italian, Portuguese,
Russian, Arabic, and Chinese. Your chosen language is saved
permanently.

⚙️ Easy Calibration
Place a physical ruler on the screen, align two lines, and
calibrate. You only need to do it once — the app remembers.

✏️ Manual Measurement Input
Enter a value manually with the keyboard; the jaw automatically
adjusts to that value.

🎨 Realistic Design
Metallic caliper body, digital LCD screen, rotating thumb wheel,
vernier scale. A real caliper experience.

📱 Horizontal Full-Screen
Uses the entire screen; buttons and jaws are easily accessible.

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🎯 HOW TO USE

1️⃣ Calibration (First Launch)
Place a real ruler on the phone screen.
Align the red and green lines with the ruler marks.
Press the "CALIBRATE" button.

2️⃣ Take a Measurement
Drag the jaws open or use the thumb wheel.
The red number at the top shows the measurement value.
The green number on the LCD shows the digital value.

3️⃣ Change Unit
Switch units with the "mm" or "inch" buttons.

4️⃣ Change Language
Tap the flag button and choose from 10 languages.

5️⃣ Manual Measurement
Tap "Manual" and enter any value with the keyboard.

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🎯 WHO IS IT FOR?

👨‍🔧 Mechanics — for quick measurements
📐 Engineers — for rough measurement and inspection
🎨 Designers — for fast size checks
🏠 Home users — for everyday measurements
🎓 Students — for learning and practice
🔬 Hobbyists — for workshop and DIY projects

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💡 TIPS

• For the best calibration, clean the screen and lay the ruler flat
• Use the thumb wheel for micron-level fine adjustment
• Tap ZERO to instantly close the jaws to 0.00
• Tap ON/OFF to turn off the LCD
• Recalibrate anytime from the ⚙ icon

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⚠️ IMPORTANT NOTES

• Maximum measurement is limited by the screen width
• Accuracy depends on calibration quality (typically ±0.5 mm)
• It does not fully replace a physical caliper; it is a helper tool
• A physical caliper is recommended for professional measurements

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📌 SUMMARY

Digital Caliper turns the phone you always carry in your pocket
into a useful measuring tool. Fast, practical, and easy to use.
A reliable backup solution when your physical caliper isn't
available.

Your pocket caliper. 📏📱