Jednotky historické,
cizokrajné či oborově specifické.
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| 1 tucet | 12 | ks |
| 1 mandel | 15 | ks |
| 1 kopa | 60 | ks |
| 1 veletucet | 144 | ks |
| 1 velekopa | 3600 | ks |
| 1 kopa | 5 | tuctů |
| 1 kopa | 4 | mandele |
| 1 veletucet | 12 | tuctů |
| 1 velekopa | 60 | kop |
| Čechy (1855)/Rakousko | |||
| 1 palec (coul) | = | 26,3401 | mm |
| 1 střevíc (stopa) | = | 0,316081 | m |
| 1 sáh | = | 1,896484 | m |
| 1 vídeň. loket | = | 0,777558 | m |
| 1 český loket | = | 0,59391 | m |
| 1 pěst | = | 105,3602 | mm |
| 1 pošt. míle | = | 7585,936 | m |
| 1coul | = | 12 | čárek |
| 1 střevíc | = | 12 | coulů |
| 1 sáh | = | 6 | střevíců |
| 1 pošt. míle | = | 4000 | sáhů |
| Čechy 1268 | |||
| 1 zrno ječmene | = | 4,938 | mm |
| 1 prst | = | 19,75 | mm |
| 1 dlaň | = | 79,02 | mm |
| 1 píď | = | 197,55 | mm |
| 1 loket | = | 0,59265 | m |
| 1 provazec | = | 25,28645 | m |
| 1 hon | = | 126,4322 | m |
| 1 míle | = | 7585,94 | m |
| 1 loket | = | 0,5914 | m |
| 1 prst | = | 4 | ječná zrna |
| 1 dlaň | = | 4 | prsty |
| 1 píď | = | 10 | prstů |
| 1 loket | = | 3 | pídě |
| 1 provazec | = | 42 | loktů + 2 pídě "nadělbůh" |
| 1 hon | = | 5 | provazců |
| 1 míle | = | 60 | honů |
Přídavky "nadělbůh" se nezahrnovaly
do vypočtených délek - "cestovní míle" (skutečně vyměřené) byly o ca 200 loktů
delší než vypočtené "polní míle".
hon - vzdálenost, kterou ušlo tažné zvíře hnané volně kráčejícím člověkem
v době, kdy slunce vystupovalo nad obzor (ve dnech rovnodennosti ca 2 minuty)
| Čechy 1764 | |||
| 1 palec | = | 24,69 | mm |
| 1 pěst | = | 98,77 | mm |
| 1 střevíc, stopa | = | 0,29632 | m |
| 1 krok | = | 0,74081 | m |
| 1 sáh | = | 1,77795 | m |
| 1 látro | = | 2,3706 | m |
| 1 provazec | = | 30,81786 | m |
| 1 míle | = | 7396,287 | m |
| 1 čárka | = | 12 | teček |
| 1 palec | = | 12 | čárek |
| 1 palec | = | 5/4 | prstu (z r. 1268) |
| 1 pěst | = | 4 | palce |
| 1 střevíc | = | 12 | palců |
| 1 střevíc | = | 1/2 | loktu (z r. 1268) |
| 1 krok | = | 30 | palců |
| 1 sáh | = | 3 | lokty |
| 1 látro | = | 4 | lokty |
| 1 provazec *) | = | 52 | loktů |
| 1 míle | = | 240 | provazců |
| 1 krok | = | 1/2 | římského dvojkroku |
| *) od r. 1541. Zhruba platí 1 provazec = 1'' rovníková | |||
| Anglie | |||
| 1" (inch) | = | 25,4 | mm |
| 1 foot (ft) | = | 0,3048 | m |
| 1 yard (yd) | = | 0,9144 | m |
| 1 fathom (fath) | = | 1,8288 | m |
| 1 pole (rod, perch) | = | 5,0292 | m |
| 1 chain | = | 20,1168 | m |
| 1 furlong (fur) | = | 201,168 | m |
| 1 (statute) mile | = | 1609,344 | m |
| 1 Admiralty knot | = | 1853,19 | m |
| 1 international mile | = | 1851,9 | m |
| 1 ft | = | 12 | in |
| 1 yd | = | 3 | ft |
| 1 fathom | = | 2 | yd |
| 1 pole | = | 16,5 | ft |
| 1 pole | = | 5,5 | yd |
| 1 chain | = | 4 | poles |
| 1 chain | = | 100 | links |
| 1 furlong | = | 10 | chains |
| 1 furlong | = | 220 | yd |
| 1 (statute) mile | = | 8 | furlongs |
| 1 (statute) mile | = | 1760 | yd |
| 1 league | = | 3 | mi |
| 1 cable | = | 100 | fathoms |
| 1 nautical mile | = | 10 | cables |
| 1 nautical mile | = | 6080 | ft |
| 1 nautical mile | = | 1 | úhlová minuta |
Kupodivu u námořních mílí se nelze dopočítat, platí 1 n.mi=6080 ft, ale 1 n.mi=1000 fathoms znamená též 1 n.mi=1828,8 m, což je málo, nebo námořní fathom je jiný než suchozemský (1 n.fathom=1,853 m kontra 1 fathom=1,829 m). Obdobná situace je v případě mezinárodní míle, která je však admiralitní dosti blízká.
| Čechy (1855)/Rakousko | |||
| 1 čtv. palec | = | 6,93795 | cm2 |
| 1 čtv. stopa | = | 0,099907 | m2 |
| 1 čtv. sáh | = | 3,596652 | m2 |
| 1 korec (strych) | = | 2877,321 | m2 |
| 1 jitro | = | 5754,642 | m2 |
| 1 korec | = | 800 | čtv. sáhů |
| 1 jitro | = | 2 | korce |
| 1 jitro | = | 3 | měřice (míry) |
Čechy 1268 |
|||
| 1 čtv. loket | = | 0,35123 | m2 |
| 1 čtv. provazec | = | 639,4047 | m2 |
| 1 jitro | = | 3197,023 | m2 |
| 1 čtv. prut | = | 15985,11 | m2 |
| 1 čtvrť | = | 47955,35 | m2 |
| 1 lán | = | 191821,4 | m2 |
uvedeny jsou hodnoty vyměřené, tj. s přídavkem 2 pídí ("nadělbůh") ke každému provazci
| 1 jitro | = | 5 | čtv. provazců |
| 1 čtv. prut | = | 5 | jiter |
| 1 čtvrť | = | 15 | jiter |
| 1 lán (selský) | = | 4*16=64 | jiter |
| 1 lán zemanský | = | 75 | jiter |
| 1 lán kněžský | = | 82,5 | jitra |
| 1 lán královský | = | 90 | jiter |
jitro - odpovídá ploše, která se zorala od rána do poledne
| Čechy 1764 | |||
| 1 čtv. sáh | = | 3,16111 | m2 |
| 1 korec | = | 2876,618 | m2 |
| 1 jitro | = | 5753,237 | m2 |
| 1 čtvrť | = | 46025,90 | m2 |
| 1 lán | = | 184103,6 | m2 |
| 1 korec | = | 910 | čtv. sáhů |
| 1 jitro | = | 2 | korce |
| 1 čtvrť | = | 16 | korců |
| 1 lán | = | 64 | korců |
přitom od korce výše se počítá čistá orná plocha bez mezí a polních cest, tedy toho, co bylo dříve zahrnuto v "nadělbůh"
| Anglie | |||
| 1 sq in | = | 6,452 | cm2 |
| 1 sq ft | = | 0,092903 | m2 |
| 1 sq yd | = | 0,8361 | m2 |
| 1 perch | = | 25,293 | m2 |
| 1 sq. (Gunter's) chain | = | 404,67 | m2 |
| 1 rood | = | 1011,68 | m2 |
| 1 acre | = | 4046,86 | m2 |
| 1 sq mi | = | 2,58999 | km2 |
| 1 sq ft | = | 144 | sq in |
| 1 sq yd | = | 9 | sq ft |
| 1 perch | = | 30,25 | sq yd |
| 1 sq. (Gunter's) chain | = | 484 | sq. yd |
| 1 rood | = | 40 | perches |
| 1 rood | = | 1210 | sq yd |
| 1 acre | = | 10 | sq. chains |
| 1 acre | = | 4 | roods |
| 1 sq mi | = | 640 | acres |
| 1 yard of land | = | 30 | acres |
| 1 hide of land | = | 100 | acres |
| Čechy(1855)/Rakousko | |||
| 1 krych. palec | = | 18,2746 | cm3 |
| 1 krych. stopa | = | 31,57867 | l |
| 1 krych. sáh | = | 6,820992 | m3 |
| tekutiny: | |||
| 1 žejdlík | = | 0,354 | l |
| 1 máz | = | 1,414724 | l |
| 1 vědro | = | 56,589 | l |
| sypké zboží: | |||
| 1 měřice | = | 61,48682 | l |
| 1 český korec | = | 93,3623 | l |
| 1 máz | = | 4 | žejdlíky |
| 1 vědro | = | 40 | mázů |
Čechy 1764 |
|||
| žejdlík | = | 0,4844 | l |
| číška | = | 1,453 | l |
| pinta | = | 1,967 | l |
| věrtel | = | 23,25 | l |
| korec | = | 93 | l |
| číška | = | 3 | žejdlíky |
| pinta | = | 4 | žejdlíky |
| Anglie | |||
| 1 cu in | = | 16,39 | ml |
| 1 cu ft | = | 28,31685 | l |
| 1 cu yd | = | 0,764555 | m3 |
| 1 acrefoot | = | 1233,48 | m3 |
| 1 cusec-day | = | 2466,96 | m3 |
| tekutiny: | |||
| 1 fl. oz | = | 28,4 | ml |
| 1 (U.K.) gill | = | 0,1421 | l |
| 1 (U.K.) pint | = | 0,568 | l |
| 1 (U.S.) pint | = | 0,473 | l |
| 1 (U.K.) quart | = | 1,138 | l |
| 1 (U.S.) quart | = | 0,946 | l |
| 1 imperial gallon | = | 4,546 | l |
| 1 (U.S.) gallon | = | 3,78541 | l |
Apothecaries' |
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| 1 fl. dra(ch)m | = | 60 | minims |
| 1 fl. oz. | = | 8 | fl. drachms |
| 1 (U.K.) gill | = | 5 | fl.oz |
| 1 (U.S.) gill | = | 4 | fl. oz. |
Common |
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| 1 pint | = | 4 | gills |
| 1 quart | = | 2 | pints |
| 1 gallon | = | 4 | quarts |
| 1 gallon (GB) | = | 10 | lb of water |
sypké zboží: |
|||
| US dry gallon | = | 4,404 | l |
| v G.B. se vychází
z imperial gallonu, zatímco v U.S se užívá US dry gallon |
|||
| 1 peck | = | 2 | gallons |
| 1 bucket | = | 2 | pecks |
| 1 firkin | = | 9 | gallons |
| 1 kilderkin | = | 2 | firkins |
| 1 barrel | = | 2 | kilderkins |
| 1 hogshead | = | 63 | gallons |
| 1 butt | = | 2 | hogsheads |
| 1 bushel | = | 8 | gal |
| 1 bushel | = | 4 | pecks |
| 1 quarter | = | 8 | bushels |
| 1 chaldron | = | 36 | bushels |
| 1 register ton | = | 100 | cu ft |
| 1 rod | = | 1000 | cu ft |
| 1 cord (US) | = | 128 | cu ft |
| Čechy (1855)/Rakousko | |||
| 1 kventlík | = | 4,37547 | g |
| 1 vídeň. lot | = | 17,50187 | g |
| 1 vídeň. libra | = | 0,56006 | kg |
| 1 kámen | = | 11,2012 | kg |
| 1 vídeň. cent | = | 56,006 | kg |
| 1 celní cent | = | 50 | kg |
| 1 lot | = | 4 | kventlíky |
| 1 libra | = | 32 | loty |
| 1 kámen | = | 20 | liber |
| 1 vídeň. cent | = | 100 | liber |
Dle J. Bauera (Agricoly) z r. 1556: |
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| 1 drachma | = | 3,654 | g |
| 1 sicilicus | = | 7,308 | g |
| 1 unce | = | 29,232 | g |
| 1 hřivna | = | 233,856 | g |
| 1 libra | = | 0,4677 | kg |
| 1 cent | = | 46,7712 | kg |
| 1 sicilicus | = | 2 | drachmy |
| 1 unce | = | 4 | sicilici |
| 1 hřivna | = | 8 | uncí |
| 1 libra | = | 2 | hřivny |
| 1 cent | = | 100 | liber |
pro mince: |
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| 1 grán | = | 0,812 | g |
| 1 (menší) hřivna | = | 7,308 | g |
| 1 půlunce | = | 14,616 | g |
| 1 hřivna | = | 233,856 | g |
| 1 hřivna | = | 16 | půluncí |
| 1 půlunce | = | 18 | gránů |
| 1 (menší) hřivna | = | 9 | gránů |
Čechy 1764 |
|||
| kventlík | = | 4,013 | g |
| lot | = | 16,054 | g |
| libra | = | 0,51375 | kg |
| centnéř | = | 61,65 | kg |
| lot | = | 4 | kventlíky |
| libra | = | 32 | lotů |
| centnéř | = | 120 | liber |
| Anglie | |||
| Avoirdupois | |||
| 1 grain | = | 0,0648 | g |
| 1 dram | = | 1,772 | g |
| 1 ounce (oz) | = | 28,3495 | g |
| 1 pound (lb) | = | 0,453592 | kg |
| 1 stone (legal) | = | 6,35 | kg |
| 1 clove (customary stone) | = | 3,6287 | kg |
| 1 quarter | = | 12,7 | kg |
| 1 hundredweight (cwt) | = | 50,8023 | kg |
| 1 cental (U.S.) | = | 45,328 | kg |
| 1 (long) ton | = | 1016,048 | kg |
| 1 short ton (net ton) | = | 907,2 | kg |
| 1 oz | = | 16 | drams |
| 1 lb | = | 16 | oz |
| 1 stone | = | 14 | pounds |
| 1 clove | = | 8 | pounds |
| 1 quarter | = | 2 | stones |
| 1 cwt | = | 4 | quarters |
| 1 cental | = | 100 | lb |
| 1 (long) ton | = | 20 | cwt |
| 1 short ton | = | 2000 | pounds |
Apothecaries' |
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| 1 grain | = | 0,0648 | g |
| 1 scruple | = | 1,296 | g |
| 1 drachm | = | 3,888 | g |
| 1 oz | = | 31,1035 | g |
| 1 scruple | = | 20 | grains |
| 1 drachm | = | 3 | scruples |
| 1 oz | = | 8 | drachms |
Troy |
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| grain | = | 0,0648 | g |
| pennyweight (dwt) | = | 1,555 | g |
| ounce (oz) | = | 31,1035 | g |
| pound (lb) | = | 373,2417 | g |
| 1 pennyweight (dwt) | = | 24 | grains |
| 1 oz | = | 20 | dwt |
| 1 lb | = | 12 | oz |
| 1 lb (U.K.) | = | 372,42 | g |
| 1 lb (U.S.) | = | 373,24 | g |
| 1 km/hod | = | 3,6 | m/s |
| 1 feet per second (fps) | = | 0,3048 | m/s |
| 1 mile per hour (mph) | = | 0,44704 | m/s |
| 1 knot | = | 0,514444 | m/s |
| 1 knot | = | 6080 | ft/hod |
| 1 N | = | 1 | kgm/s2 |
| 1 N | = | 1,00E+05 | dyn |
| 1 kp | = | 9,80665 | N |
| 1 kp | = | 9,81E+05 | dyn |
| 1 kp | = | 1000 | p |
| 1 pound-force (lbf, lb) | = | 4,44822 | N |
| 1 poundal (pdl) | = | 0,138255 | N |
| práce | |||
| 1 Joule | = | 1 | Nm |
| 1 kpm | = | 9,80665 | J |
| 1 Wh | = | 3600 | J |
| 1 kcal | = | 4186,8 | J |
| 1 eV | = | 1,60E-19 | J |
| 1 erg | = | 1,00E-07 | J |
| 1 ft lb | = | 1,35582 | J |
| British Thermal Unit (BTU) | = | 1054,6 | J |
| BTU (39 F) | = | 1060,4 | J |
| BTU (60 F) | = | 1054,6 | J |
výkon |
|||
| 1 W | = | 1 | J/s |
| 1 kpm/s | = | 9,80665 | J/s |
| 1 kůň (k) | = | 735,5 | W |
| 1 k | = | 75 | kpm/s |
| 1 HP | = | 745,7 | W |
| 1 HP | = | 550 | lb ft/s |
| 1 Pa | = | 1 | N/m2 |
| 1 bar | = | 1,00E+05 | Pa |
| 1 kp/m2 | = | 9,80665 | Pa |
| 1 atm | = | 1,01E+05 | Pa |
| 1 at | 9,81E+04 | Pa | |
| 1 torr | = | 133,322 | Pa |
| 1 dyn/cm2 | 0,1 | Pa | |
| 1 mm Hg | = | 1 | torr |
| 10 m H2O | 1 | at | |
| 1 at | = | 1 | kp/cm2 |
| 1 pound per sqin (psi) | = | 6,89E+03 | Pa |
| 1 pound per sqft (psf) | = | 47,8803 | Pa |
Pozor - psig (psi gauge) označuje relativní tlak, zatímco psia (psi absolute) absolutní !!
| 1 mg/l | = | 1 | kg/m3 |
| 1 % | = | ca 10 | g/l |
| 1 ppm | = | ca 1 | mg/l |
| 1 ppb | = | ca 1 | mg/m3 |
| 1 grain per cuft | = | 1,281 | g/l |
| 1 grain per gallon | = | 0,017118 | g/l |
| viskosita dynamická | |||
| 1 poise | = | 0,1 | Ns/m2 |
| slug per foot second | = | 47,8803 | Ns/m2 |
| slug per sq. inch | 6,90E+03 | Ns/m2 | |
viskosita kinematická |
|||
| 1 stok | = | 1,00E-04 | m2/s |
| sqft per sec | = | 0,092903 | m2/s |
| sqin per sec | 6,45E-04 | m2/s | |
| úhel [rad] | = | (2*PI)/360 * úhel [stupně] | |
| úhel [stupně] | = | 360/(2*PI) * úhel [rad] | |
| plný úhel | = | 2*PI | radiánů (rad) |
| = | 360 | stupňů | |
| = | 400 | gradů (g) | |
| = | 6400 | dělostřeleckých dílců (dc) | |
| = | 6000 | dílců (dle sovětského vzoru) | |
| = | 24 | hodin (hór) (v hornictví a geologii) | |
| 1 stupeň | = | 60 | minut (') |
| 1 ' | = | 60 | vteřin ('') |
| 1 g | = | 100 | c, dg |
| 1 c | = | 100 | cc |
| 1 dc (starý - 6400
dc do plného úhlu) odpovídá zornému úhlu, jímž je vidět 1 m ze vzdálenosti 1 km |
|||
| 1 hóra | = | 15 | stupňů |
| mincovní a zlatnické váhy (starší) | |||
| 1 hřivna | = | 8 uncí | |
| 1 unce | = | 16 lotů | |
| 1 lot | = | 24 karáty | |
| 1 karát | = | 64 kventlíků | |
| pražská hř. | = | 253,169 | g |
| vídeňská hř. | = | 280,888 | g |
| kolínská hř. | = | 233,856 | g |
| pro drahé kameny původně | |||
| 1 karát (ct) | = | ca 0.2 | g |
| 1 karát | 64 / 64 | ||
| 1 (metr.) karát | = | 0,2 | g |
| pro perly | |||
| 1 grén (grain, grán) | = | 1/4 | ct |