Presumably, it would also be difficult to measure very large objects - such as a building - since the credit card would be so relatively small in the frame. The card must be on the same plane as the object to be measured, and the app can’t account for perspective distortion. It’s far from an automated process, at least at this stage of development, and the app’s accuracy is not perfect. Image used with permission by copyright holder To redo an edit, press the Redo button or use the keyboard shortcut Ctrl + Y. Alternatively, you can also use the keyboard shortcut Ctrl + Z. Our innovative app provides actual size measurements with just a few clicks. Because the app knows how big the credit card is, it can now determine how big the other object is, regardless of how far away the camera was. If you changed your mind about an edit you made on the screenshot or image, click or tap on the Undo button from the menu bar. The app will automatically detect the card and place a box around it, then manually put a second box around the object to be measured. Browse Getty Images premium collection of high-quality, authentic Picture Of A Ruler With Measurements stock photos, royalty-free images, and pictures. The photo isn’t sent anywhere, but if you’d rather not have pictures of your credit cards lying around, you can use a gift card, store membership card, or anything else of the same dimensions. You can freely download the image of the ruler and print it on 8.5 X 11-inch paper for your Math assignments, sewing, craft or drawing. So before you take a photo, you need to place your card somewhere in the frame. As detailed by Lifehacker, VisualRuler works by comparing the size of an unknown object to the size of something it knows: a credit card. Several types of rulers include wooden or metal rulers, yardsticks, seamstress tapes, tape measures, carpenters rules, and architects scales. So what do you do when you stumble upon something, and you really need to know exactly how big it is? Will that discarded futon fit in your hatchback? And how big is that 48-inch TV, really? Well, if you’re an iOS user - and assuming you do carry your phone around with you– just snap a picture of the object with the VisualRuler app and it will measure it for you. According to, a ruler is a strip of wood, metal, or other material having a straight edge and usually marked off in inches or centimeters, used for drawing lines, measuring, etc. Yanukit Sujjariyarux/123RFUnless you work in construction, there’s a good chance you don’t always carry a tape measure with you.
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