metrisch/non-metric-EU.html
Non-metric units widely used in Europe that have no use whatsoever
and their most feasible alternative using the international system.
| Physical quantity | Evil unit | Evil unit in metric units | Alternative S.I. unit | S.I. example |
|---|---|---|---|---|
| typeface point size | point, pt | 2.54/72 cm = 0.352 77 mm | mm | Books are typeset with a font size of 3.5 mm. Letters have a larger font. These typically use 4.0 mm point size. |
| printer resolution | dpi | 1/(2.54 cm) 600 dpi ⇄ 42.3 μm | μm | The 40 nm node in the computer chip industry uses printers more than a 1000 times more accurate than a typical 42 μm resolution desktop printer. |
| screen diagonal, bicycle wheels | inch, in, ” | 2.54 cm | cm | Bike wheels come in three sizes, 60 cm, 65 cm and 70 cm. |
| amount of oil | barrel, bl | 158.987 295 l | l | Crude oil currently costs € 0.55 per liter. |
| mass | Dutch pound | 500 g | kg | |
| gold purity | carat, ct | 1/24 | unitless | My wedding ring is 67% pure gold. Sterling silver has a minimum purity by mass of 925‰. |
| diamond mass | carat, ct | 0.2 g | g | The huge Golden jubilee diamond weighs over 100 g. |
| heart beat, engine rev | bpm | 1/(60 s) 120 bpm ⇄ 2 Hz | Hz | When revving up to 80 Hz, the engine makes whining sound. When calm, humans have a heartbeat of 1 Hz. This can increase to 3 Hz under stress. |
| blood pressure | torr, standard mm Hg | ≈ 133.322 Pa | kPa | 17/12 kPa is the upper limit for safe blood pressure. |
| fibre density | den, denier | g/(9000 m) 900 den ⇄ 100 tex | tex (mg/m) | Compare our superior Korean made 1210 dtex fabric to other boats 1100 dtex fabric. |
| speed | km/h, kph | 1/3.6 m/s ≈ 0.277 77 m/s | m/s | My granny walks 1 m/s, Lance does 10 m/s without dope and the fastest train can do a 100 meter per second. |
| speed on water | knot | 1 852/3.6 m/s ≈ 0.514 44 m/s | m/s | In water 10 cm deep, waves travel at 1 m/s. Emma Maersk does about 13 m/s. |
| wind speed | beaufort (bf) | v(m/s) = 0.836 v(bf)3/2 | m/s | In a storm, wind speed can reach 30 m/s. |
| air pressure | standard atmosphere (atm) | 1012 hPa | mbar, hPa | Air pressure at sea level ranges from 870 to 1083 hPa. |
| break engine power | horsepower (hp) | 735 - 746 W | kW | My car has 80 kW power, of which 3 kW is used by the airco and 400 W by the stereo. |
| food intake | kcal/day | 49 mW | W | An adult female with a normal body weight requires approximately 100 W food to maintain her weight. That is less than 10 MJ daily. |
| electrical energy | kWh | 3.6 MJ | MJ |