With contractor measuring tapes, used for measuring large areas, you often cannot get a measurement using just the tape, as the body or case of the measuring tape gets in the way. P correction is δ review process here. Lufkin Executive Diameter Yellow Clad A19 Blade Pocket Tape Measure, Best for Sewing: C i 1⁄32" less than that = 15⁄32". This Rugged Tiny Tape Measure Fits on Your Keychain, This High-Tech Pen Will Replace Your Tape Measure. After the number 17, count four lines, noticing that you stop on the third longest line. = After doing this, you will get the results of your measurement. $37.97$ 37. Coming with a double-sided print that shows decimal foot and fractional inch readings, it is easy to get consistent and reliable measurements at a glance. ", "This classic pick has a sliding lock to keep the tape in place and a respectable 25-foot measurement maximum. that contains Thanks. Popular Mechanics participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. ω With a large, easy-to-read digital display on the top of the tape measure, you can use the tool from almost any angle to get a quick measurement. ENABLE JAVASCRIPT ON YOUR DEVICE TO FULLY USE THIS WEBSITE. Please consider making a contribution to wikiHow today. Last Updated: September 3, 2020 × This article has been viewed 2,902,180 times. w ): Evaluating {\displaystyle P} {\displaystyle \delta =k-L} Check it out with our app. We may earn commission if you buy from a link. Our editors independently research, test, and recommend the best products; you can learn more about our You can instantly measure lengths of up to 800 feet by yourself, and these tools can calculate area, volume, and more at the push of a button. Instantly measure up to 100 meters (330 ft) - Just point, click and you're done. k A difference in temperature will cause the tape to lengthen or shorten, so the measurement taken will not be exactly correct. L More then 20 000 Live web camera - Watch it now! ", measurements. k This 300-foot tape measure will be able to handle it with ease. {\displaystyle L} Measure a length. Thanks to all authors for creating a page that has been read 2,902,180 times. The measurement is technically taken at the center of the mark; however, if you need measurements to that precision, I would recommend using something a bit more accurate, such as calipers. You can use a 0.5 millimetre mark to help guide you if your measuring tape has them. The exterior body features a plastic crank that retracts the 300-foot long measuring tape by hand into a neatly wound spiral. Specialized versions can include markings that cover truss lengths for roofing and stud intervals for housing. We know it’s more than 3/4 of an inch and less than one full inch. The large numbers are the units you're measuring, like inches or centimeters, and the markings between the large numbers correspond to fractions of that unit. ", "I was wondering about the little lines and now I know! It is the perfect device for designers and realtors, as it fits easily in a purse or pocket and can measure up to 65 feet with 1/8-inch accuracy. k {\displaystyle L} The tape will stretch less than its standard length when a tension less than the standard tension is applied, making the tape too short. The correction of the tape length due to change in temperature is given by: The correction {\displaystyle 7.866\times 10^{-3}kg/cm^{3}} L As the increments decrease, so does the length of the mark. is desired to give a good first approximation to the correction. With this app you can measure sound and noise levels! Co., Inc. All rights reserved. "Information to Examinees Sitting for the Fundamentals of Surveying Examination", "GMP 8 - Good Measurement Practice for Reporting Tape Calibrations", "SOP No. Thanks. A correction can be applied to the measured length to obtain the correct length. The Bosch GLM 20 doesn't have the bells and whistles of the other laser measurers on this list, but that's the beauty of it. yields zero, so there is no zero-order term in the Taylor series. {\displaystyle x=-k/2} The display will show both decimals and fractions for imperial units. A tape measure or measuring tape is a flexible ruler used to measure size or distance. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board. For fractions of an inch, simply put the fraction after the whole number for inches. Manufacturers of measuring tapes do not usually guarantee the exact length of tapes, and standardization is a process where a standard temperature and tension are determined at which the tape is the exact length. In this case, keep in mind that two eighths of an inch make a quarter. Therefore, the marking is half of 1/8, or 1/16. ¼" is half of ½". Ferrand’s design was later sold to Stanley Works. {\displaystyle k} It can measure distance up to 330 feet with 1/16-inch accuracy and an industry-first digital auto-level. However, we encourage you to double-check with a physical tape measure or ruler if you need precise measurements. To create this article, 60 people, some anonymous, worked to edit and improve it over time. % of people told us that this article helped them. Knowing how to use and read both a retractable measure and a traditional ribbon-style tape measure can be a major asset to anyone working with his or her hands, so learn today and start measuring!

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