Long before the thumb would be used to measure almost everything. Its about finger width nail historically also names some longer units 15 cm 58 in.
The Origin Of Foot For Measurement Why 12 Inches
Measurement using body parts inches. Finger width digitus 2 cm 34 in nail width of thumbs nail. Thumb width mesouret at the rut of the nayll 25 cm 1 in. Fingertip to middle of second joint. Example carpenters use their thumb to measure small insignificant measurements. Your forearm from elbow to fingertip. The exact length varied according to whose arm was being used and could be from 18 to 22 inches.
An average foot is about 12 inches long. How to measure things using your own body as a ruler step 1. Using your body to estimate length your hand. For an average adult male at least average as of a couple of millennia ago a cubit works out to about 18 inches 457cm. Measurement of objects using body parts the handful the thumb measures 1 inch which is now the basis of measurement. Your forearm is about 15 feet 46 centimeters.
It does not include derived units further unless they are also themselves human based. Cubits were a standard unit of length in sumeria egypt and other parts of the middle east long before anyone dreamed of an arbitrary decimal based measuring system. This is a list of units of measure based on human body parts or the attributes or abilities of humans. My personal calibration yours will differ. English possesses several measurement words that derive from body parts. The distance between your nose.
These units are thus considered to be human scale and anthropocentric. Cubit from latin cubitum the elbow a cubit was a measurement based on the forearm from elbow to fingertip. Span your arms across longer objects and count how many times you can span the object with your arms. The width of your palm is about 4 inches 10 centimeters. From nose to finger tip. Use the middle segment of your pointer finger to measure smaller objects which you would normally measure in.
Gallery of Measurement Using Body Parts Inches
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