CamRuler

CamRuler lets you measure (almost) anything that you can take a photo of. Now you don't need to carry a ruler around just to get a measurement - your phone's got you covered. CamRuler produces measurements by utilizing a reference object of known dimensions in the image you wish to measure. The app comes pre-loaded with common objects such as: - Coins and paper currency (US, CAN, UK, EU, AUS, MEX) - Common paper sizes (8.5x11, Legal size, business card, index card) Another measurement option is using a custom reference length, which can be used to get distance measurements from maps with scale bars, as well as length measurements on microscope photos (micrographs and electron micrographs) given a length reference. CamRuler's custom reference length mode also works well if there is an image of a ruler in the photo. CamRuler allows users to choose between many common units of measurement, both metric and imperial: - Metric: nanometers, micrometers, millimeters, centimeters, meters, kilometers - Imperial: inches, feet, yards, miles, nautical miles Limitations: The measurements you make must be in the same plane (or as close as possible) as the reference object you select. Also, measurements will be more accurate when the reference object takes up more space in the image. The accuracy of the measurements provided by CamRuler depend on the user's ability to correctly target the reference object. While it's possible to get accurate measurements with CamRuler, the measurements should be considered an estimate only, and should not be used where precision is required. Using a quarter as a reference object, accuracies within a millimeter can be achieved.
LicensePurchase
Version1.0.1
Operating System iOS
System RequirementsCompatible with iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation) and iPad. Requires iOS 6.0 or later. This app is optimized for iPhone 5.

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