Ruler
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Use a coin or a credit card to calibrate the ruler anywhere when
you don't have a real ruler with you!
- Ad free for real forever!
- Pick your units: fractional inches decimal inches centimeters or millimeters
- Calibrate your ruler with a credit card to get you started anytime anywhere
- Don't have a credit card with you? Calibrate your ruler with a coin!
- Calibrate your ruler with a real ruler to achieve the best precision in your measurement transfers
- Manually set the ruler to a known length for accurate measurements
- Night mode to save battery (on AMOLED screens) and to relieve your eyes at night
- Save your measurements for future use
- No permissions required
- Ad free for real forever!
- Pick your units: fractional inches decimal inches centimeters or millimeters
- Calibrate your ruler with a credit card to get you started anytime anywhere
- Don't have a credit card with you? Calibrate your ruler with a coin!
- Calibrate your ruler with a real ruler to achieve the best precision in your measurement transfers
- Manually set the ruler to a known length for accurate measurements
- Night mode to save battery (on AMOLED screens) and to relieve your eyes at night
- Save your measurements for future use
- No permissions required
Show More >
Ruler / What's New in vUnknown
Improve calibration accuracy by moving the calibration handles 3x
slower than the actual movement, allowing more precise control of
the position.
Fix buggy 1/2 inch subdivision toggle.
Fix issues for devices with a notch or cutout a the top of the screen.
Add fullscreen toggle to use the space under display cutouts (e.g. camera, notch).
Fix buggy 1/2 inch subdivision toggle.
Fix issues for devices with a notch or cutout a the top of the screen.
Add fullscreen toggle to use the space under display cutouts (e.g. camera, notch).
