What Is the Online Inch Ruler?

Need to measure something in inches but don't have a ruler? Our Online Inch Ruler can help you. This ruler can be used on any device that has a browser and internet access, like a smartphone, tablet, laptop, or desktop. We made it perfect for quick measurements anytime you need it. It can be easily calibrated and used in fullscreen, vertically or horizontally.

How to Use?

1. Open the Online Inch Ruler on your device.
2. Choose how you want the ruler: vertical or horizontal.
3. Calibrate in settings if needed.
4. Align the object with the ruler on your screen.
5. Read the measurement.

How to Calibrate the Ruler?

1. Go to settings screen by clicking settings icon.
2. Enter your screen size in inches or select PPI.
3. We have created a PPI Calculator for calibration using the PPI method.
4. This ensures each inch on the ruler matches an actual inch.