The idea: you can measure with your body.
Length, angle, time, etc. This page deals with length.
And. you will never forget to bring your bodyruler with you. :) Though sometimes I forget my calibration.
To give some idea of size, a credit card is approx. 8.5 cm. 5.5cm or 3 1/3rd'. 2 1/8th'. In the metric system, centi always indicates 1/100th, so a centimeter is 1/100th of a meter. This number system is a bit easier to grasp than inches and feet, where an inch is 1/12th of a foot. To convert cm to inches: Multiply your centimeters value by 0.
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How big is the screen/paper in front of you?
Measuring with an 'ordinary ruler', I get 0.32 m and 0.25 m. (12.5by 9.5 in.)Many body distances can be used as measures, but you dont need all ofthem. Many have similar size (for example, hand and palm), so you canjust choose ones you prefer, perhaps ones with numbers easier toremember. Also, some are related (1 palm can be 4 fingers). Feel free to use other measures, or to modify these (likeusing little finger rather than middle finger). Clarion 2 2 player games. The important thingis consistency, using them the same way each time.
Before using any new measuring instrument, one needs to calibrate itby comparing it with something else, something of known measure. Foryour bodyruler, you can use an 'ordinary ruler'. Averaging can beused to reduce error. For instance, measure out 3 palms and divide by3, rather than just measuring a single palm.
Filmwizard 2 7 0. Here are some measures you might use. I'vehighlighted my favorites, and included some romannames.
| Measure | Explanation | my personal calibration Your's will differ. |
| finger | finger width (digitus) | 2 cm, 3/4 in |
| 'nail' | width of thumb's nail. (It's about finger width.) ('nail' historically also names some longer units.) | 1.5 cm, 5/8 in |
| inch | thumb width, 'mesouret at the rut of the nayll' | 2.5 cm, 1 in |
| half finger | fingertip to (middle of) second joint (choose a finger (historically, it was middle)) | 5.5 cm, 2 1/8 in |
| finger length | fingertip to knuckle | 11 cm, 4 1/4 in |
| palm | width of 4 extended fingers (palmus) ('palm' is also know as 'hand'.) | 7 cm, 2 3/4 in (at middle joint) 8 cm, 3 in (at knuckles) |
| hand length | hand length, heel to fingertip | 19 cm, 7.5 in |
| hand span | hand width, from outspread thumb to little-finger (Convenient, but because stretch varies, a bit less consistent than these others.) | 22 cm, 8.5 in |
| foot | foot length, heel to toe (pes) Good for walking short distances. | 27 cm, 10.5 in (bare) 30 cm, 12 in (sneakers) |
| cubit | elbow to fingertip (cubitus) | 47 cm, 18.5 in (~0.5 meter) |
| yard | nose to fingertip, with arm straight out to side, head facing front Good for measuring rope and fabric. | 92 cm, 36 in (3 ft) (1 meter if I turn my head) |
| fathom | fingertip to fingertip, arms out stretched | 178 cm, 68 in |
| height | the usual | 182 cm, 72 in |
| step | one step | ~80 cm, ~30 in (~3 ft) |
| pace | two steps (passus) Good for walking long distances. | ~150 cm, ~60 in (~1.5 meter) |
'. Vitruvius declares that Nature has thus arranged themeasurements of a man: four fingers make one palm. and four palms makeone foot; six palms make one cubit; four cubits make once a man'sheight; four cubits make a pace, and twenty-four palms make a man'sheight.'[Klein, pg 68]Create iso disk utility. It would be nice to discuss measurement error and techniques,usage hints, historical notes on the units, averaging to createstandards, perhaps also calibrate precision/errorbars, .
The visual height of your fist, held out in front of you, is about 10 degrees.
You can check this by starting with your arm straight out, and thanwalking you fists upward, hand over hand. At 9 fists, you should bepointed at the ceiling. Free online cribbage no download.
A brief elaboration: together, the distance from eye to outstretchedfist, and the height of the fist, form two sides of a right triangle,and thus determine an angle. (say 58 cm and 9 cm, 'opposite overadjacent' is 9/58, with arctan(9/58) = 9 degrees).
It would be nice to have some notes on usage, on sensitivityto fist distance, on measuring the distance to objects of known size(aircraft, people), on measuring the height of a building by walkingtowards it, on .
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