| Common Linear Measure (Years of 732 & 1154) |
| 1 mil | = | 1/1000" | |||
| 1 douzieme ('''') | (dou.) | = | 1/12''' | (1 hairbreadth) | (1'''' - watch trade only) |
| 1 ligne (''') | (lig.) | = | 4 irons | (1 mustardseed) | (1 iron - shoe sole thickness only) |
| 1''' | = | 4 irons | (1 iron x 1 sq.' = 3'''' x 1 sq.' = 3 cu." = 1/12# leather) |
| 1''' | = | 6 point-type | (1 pt.typ. - print trade only) |
| 1''' | = | 12'''' | (3 x 3) + (4 x 4) = 5 x 5 |
| 1''' | = | 12'''' | (3 + 4 + 5 = 12) | (right angle 3 x 4 x 5 triangle) |
| 1 inch (") (in.) | = | 3 barleycorns | (size 1 child's shoe = 12 bcn.) |
| 1" | = | 3 bcn. | (3 bcn. lengths = 4 bcn. thicknesses) |
| 1" | = | 12''' | (3 x 3) + (4 x 4) = 5 x 5 |
| 1" | = | 12''' | (3 + 4 + 5 = 12) | (right angle 3 x 4 x 5 triangle) |
| 1" | = | 40 lines | (1 L - button trade only) |
| 1" | = | 64 leather-ounces | (Yr.1548) | (1 lr.oz. = leather thickness only) |
| 1" | = | 64 lr.oz. | (1 av.oz. leather = 1/64" x 1 sq.' = 2 1/4 cu." = 1/16#) |
| 1" | = | 144'''' | (1" = 12 x 12'''') |
| 1" | = | 1000 mil | (1" = 10 x 10 x 10 mil) |
| 1 foot (') (ft.) | = | 3 hands | (1 hd. - horse trade only) |
| 1' | = | 12" | (3 x 3) + (4 x 4) = 5 x 5 |
| 1' | = | 12" | (3 + 4 + 5 = 12) | (right angle 3 x 4 x 5 triangle) |
| 1' | = | 16 digits | (1 dt. - cloth trade only) |
| 1' | = | 36 bcn. | (size 12 adult's shoe = 12") |
| 1' | = | 144''' | (1' = 12 x 12''') |
| 1' | = | 480 L | |
| 1' | = | 1728'''' | (1' = 12 x 12 x 12'''') |
| 1' | = | 12,000 mil |
| 1' | = | 0.30480060 Napoleon Emperor's Republic of Europe metre (Year of 1804) |
| 1 yard (yd.) | = | 2 statute cubits | (1 verge) | (1 stt. cubit = 24 dt.) |
| 1 yd. | = | 3' | |
| 1 yd. | = | 4 spans | (1 span = 12 dt.) |
| 1 yd. | = | 9 hd. | |
| 1 yd. | = | 16 nail-lengths | (1 yd. = 4 x 4 nlth. = 16 x 3 dt.) |
| 1 yd. | = | 36" | (1 yd. = 6 x 6") |
| 1 yd. | = | 48 dt. | |
| 1 yd. | = | 432''' | |
| 1 yd. | = | 1440 L | (1 sidereal day = 1440' of time) |
| 1 yd. | = | 5184'''' | (1 circle = 5,184,000 qn. of arc) |
| 1 yd. | = | 36,000 mil |
| 1 statute mile | = | 60 right angle 3 x 4 x 5 triangles, 4 unit (the 88 ft.) sides laid end to end |
| 60 stt.ml. per hr. | = | 88 ft. per sec. |
| 1 stt.ml. | = | 5280 ft. | (80 x 66' = 5280') | (60 x 88' = 5280') (48 x 110' = 5280') |
| 22' | = | 1 stt.ch. right angle triangle (16.5' x 22' x 27.5') perpendicular |
| 5280' | = | 240 stt.ch. right angle triangle (16.5' x 22' x 27.5') perpendiculars |
| 43,560 sq.' | = | 240 stt.ch. right angle triangle (16.5' x 22' x 27.5') areas |
| 43,560 sq.' | = | 1 stt. acre |
| 10,890 sq.' | = | 60 stt.ch. right angle triangle (16.5' x 22' x 27.5') areas |
| 10,890 sq.' | = | 1 stt. rood |
| 1 stt.ml. | = | 8 stt. furlongs | (8 stt. bow/fusilshots / stadiums) |
| 1 stt.ml. | = | 80 stt. chains | |
| 1 stt.ml. | = | 320 stt. poles | (320 stt. rods / falls / lugs / pikes) |
| 1 stt.ml. | = | 880 fathoms | |
| 1 stt.ml. | = | 1408 ells | (1 ell = 3 x 4 x 5 dt. = 60 dt.) |
| 1 stt.ml. | = | 1760 yd. | |
| 1 stt.ml. | = | 3520 stt. cubits |
| 1 stt.ml. | = | 5280 ft. | (33/38 ntl.ml.) | (1 stt. league = 5280 yd.) |
| 1 Earth Equator / meridian | = | 24,872 8/11 stt.ml. | (not 25,200 stt.ml.) |
| 1 statute league | = | 5280 yd. | (3 x 5280') |
| 1 statute ken | = | 5280 fth. | (6 x 5280') |
| 1 french mile | = | 60 right angle 3 x 4 x 5 triangles, 4 unit (the 96 ft.) sides laid end to end |
| 60 french ml. per hr. | = | 96 ft. per sec. |
| 1 french ml. | = | 5760 ft. | (80 x 72' = 5760') | (60 x 96' = 5760') (48 x 120' = 5760') |
| 24' | = | 1 french ch. right angle triangle (18' x 24' x 30') perpendicular |
| 5760' | = | 240 french ch. right angle triangle (18' x 24' x 30') perpendiculars |
| 51,840 sq.' | = | 240 french ch. right angle triangle (18' x 24' x 30') areas |
| 51,840 sq.' | = | 1 french acre |
| 12,960 sq.' | = | 60 french ch. right angle triangle (18' x 24' x 30') areas |
| 12,960 sq.' | = | 1 french rood |
| 1 french ml. | = | 8 french fu. | (8 fr. bow/fusilshots / stadiums) |
| 1 french ml. | = | 80 french ch. | |
| 1 french ml. | = | 320 french po. | (320 fr. rods / falls / lugs / pikes) |
| 1 french ml. | = | 960 fth. | |
| 1 french ml. | = | 1536 ells | (1 ell = 3 x 4 x 5 dt. = 60 dt.) |
| 1 french ml. | = | 1920 yd. | |
| 1 french ml. | = | 3840 stt. cubits |
| 1 french ml. | = | 5760 ft. | (72/76 ntl.ml.) | (1 french league = 5760 yd.) |
| 1 Earth Equator / meridian | = | 22,800 french ml. |
| 1 french league | = | 5760 yd. | (3 x 5760') |
| 1 french ken | = | 5760 fth. | (6 x 5760') |
| 1 scots (ulstan) mile | = | 60 right angle 3 x 4 x 5 triangles, 4 unit (the 100 ft.) sides laid end to end |
| 60 scots ml. per hr. | = | 100 ft. per sec. |
| 1 scots ml. | = | 6000 ft. | (80 x 75' = 6000') | (60 x 100' = 6000') (48 x 125' = 6000') |
| 25' | = | 1 scots ch. right angle triangle (18.75' x 25' x 31.25') perpendicular |
| 6000' | = | 240 scots ch. right angle triangle (18.75' x 25' x 31.25') perpendiculars |
| 56,250 sq.' | = | 240 scots ch. right angle triangle (18.75' x 25' x 31.25') areas |
| 56,250 sq.' | = | 1 scots acre |
| 14,062 1/2 sq.' | = | 60 scots ch. right angle triangle (18.75' x 25' x 31.25') areas |
| 14,062 1/2 sq.' | = | 1 scots rood |
| 1 scots ml. | = | 8 scots fu. | (8 scots bow/fusilshots / stadiums) |
| 1 scots ml. | = | 80 scots ch. | |
| 1 scots ml. | = | 320 scots po. | (320 scot rods / falls / lugs / pikes) |
| 1 scots ml. | = | 1000 fth. | |
| 1 scots ml. | = | 1600 ells | (1 ell = 3 x 4 x 5 dt. = 60 dt.) |
| 1 scots ml. | = | 2000 yd. | |
| 1 scots ml. | = | 4000 stt. cubits |
| 1 scots ml. | = | 6000 ft. | (75/76 ntl.ml.) | (1 scots league = 6000 yd.) |
| 1 data mile | = | 6000 ft. | (1 data ml. - radar only, Feb.26 1935) |
| 1 Earth Equator / meridian | = | 21,888 scots ml. | (not 21,600 scots ml.) |
| 1 scots league | = | 6000 yd. | (3 x 6000') |
| 1 scots (ulstan) ken | = | 6000 fth. | (6 x 6000') |
| 1 irish (erse) mile | = | 60 right angle 3 x 4 x 5 triangles, 4 unit (the 112 ft.) sides laid end to end |
| 60 irish ml. per hr. | = | 112 ft. per sec. |
| 1 irish ml. | = | 6720 ft. | (80 x 84' = 6720') | (60 x 112' = 6720') (48 x 140' = 6720') |
| 28' | = | 1 irish ch. right angle triangle (21' x 28' x 35') perpendicular |
| 6720' | = | 240 irish ch. right angle triangle (21' x 28' x 35') perpendiculars |
| 70,560 sq.' | = | 240 irish ch. right angle triangle (21' x 28' x 35') areas |
| 70,560 sq.' | = | 1 irish acre |
| 17,640 sq.' | = | 60 irish ch. right angle triangle (21' x 28' x 35') areas |
| 17,640 sq.' | = | 1 irish rood |
| 1 irish ml. | = | 8 irish fu. | (8 irish bow/fusilshots / stadiums) |
| 1 irish ml. | = | 80 irish ch. | |
| 1 irish ml. | = | 320 irish po. | (320 irish rods / falls / lugs / pikes) |
| 1 irish ml. | = | 1120 fth. | |
| 1 irish ml. | = | 1792 ells | (1 ell = 3 x 4 x 5 dt. = 60 dt.) |
| 1 irish ml. | = | 2240 yd. | |
| 1 irish ml. | = | 4480 stt. cubits |
| 1 irish ml. | = | 6720 ft. | (21/19 ntl.ml.) | (1 irish (erse) league = 6720 yd.) |
| 1 Earth Equator / meridian | = | 19,542 6/7 irish ml. | (not 19,200 irish ml.) |
| 1 irish (erse) league | = | 6720 yd. | (3 x 6720') |
| 1 irish (erse) ken | = | 6720 fth. | (6 x 6720') |
| 1 dutch mile | = | 60 right angle 3 x 4 x 5 triangles, 4 unit (the 128 ft.) sides laid end to end |
| 60 dutch ml. per hr. | = | 128 ft. per sec. |
| 1 dutch ml. | = | 7680 ft. | (80 x 96' = 7680') | (60 x 128' = 7680') (48 x 160' = 7680') |
| 32' | = | 1 dutch ch. right angle triangle (24' x 32' x 40') perpendicular |
| 7680' | = | 240 dutch ch. right angle triangle (24' x 32' x 40') perpendiculars |
| 92,160 sq.' | = | 240 dutch ch. right angle triangle (24' x 32' x 40') areas |
| 92,160 sq.' | = | 1 dutch acre |
| 23,040 sq.' | = | 60 dutch ch. right angle triangle (24' x 32' x 40') areas |
| 23,040 sq.' | = | 1 dutch rood |
| 1 dutch ml. | = | 8 dutch fu. | (8 dut. bow/fusilshots / stadiums) |
| 1 dutch ml. | = | 80 dutch ch. | |
| 1 dutch ml. | = | 320 dutch po. | (320 dut. rods / falls / lugs / pikes) |
| 1 dutch ml. | = | 1280 fth. | |
| 1 dutch ml. | = | 2048 ells | (1 ell = 3 x 4 x 5 dt. = 60 dt.) |
| 1 dutch ml. | = | 2560 yd. | |
| 1 dutch ml. | = | 5120 stt. cubits |
| 1 dutch ml. | = | 7680 ft. | (96/76 ntl.ml.) | (1 dutch league = 7680 yd.) |
| 1 Earth Equator / meridian | = | 17,100 dutch ml. | (not 18,000 dutch ml.) |
| 1 dutch league | = | 7680 yd. | (3 x 7680') |
| 1 dutch ken | = | 7680 fth. | (6 x 7680') |
| 1 roman (militia) mile | = | 8 rom.fu. | (5x5x5x5' = 625') | (8 rom. bow/fusilshots / stadiums) |
| 1 rom.ml. | = | 100 scorepaces | (1 scorepace = 20 rom. paces) |
| 1 rom.ml. | = | 2000 rom. paces | (1000 militiamen marching single file = 2000 x 30 in.) |
| 1 rom.ml. | = | 4000 hautpas | ||
| 1 rom.ml. | = | 5000 ft. | (1.216 x 5000' = 6080' = 1 naut.ml.) |
| 1 Earth Equator / meridian | = | 26,265 3/5 rom.ml. | (not 26,880 rom.ml.) |
| 1 roman league | = | 5000 yd. | (3 x 5000') |
| 1 roman (militia) ken | = | 5000 fth. | (6 x 5000') |
| 1 hautpas / haltpace | = | 15 in. | (1.216 x 15 in. = 18.24 in. = 1 egyptian (coptic) cubit) |
| 1 rom. (militia) pace | = | 30 in. | (30 in. wide pacestick (A) - militia sergeant of foot only) |
| 1 gunter pace | = | 31.68 in. | (4 gunter links = 4 x 7.92 in. = 31.68 in.) |
| 1 stt.ch. | (22 yd.) | = | 66 ft. | (11 fth.) | (right angle triangle = 66' + 88' + 110') |
| 1 stt.po. | (66'/4) | = | 16 1/2 ft. | (1/320 stt.ml.) | (r/angle triangle = 16.5' + 22' + 27.5') |
| 1 french ch. | (24 yd.) | = | 72 ft. | (12 fth.) | (r/angle triangle = 72' + 96' + 120') |
| 1 french po. | (72'/4) | = | 18 ft. | (1/320 french ml.) | (right angle triangle = 18' + 24' + 30') |
| 1 scots ch. | (25 yd.) | = | 75 ft. | (12 1/2 fth.) | (r/angle triangle = 75' + 100' + 125') |
| 1 scots po. | (75'/4) | = | 18 3/4 ft. | (1/320 scots ml.) | (r/a triangle = 18.75' + 25' + 31.25') |
| 1 irish ch. | (28 yd.) | = | 84 ft. | (14 fth.) | (r/angle triangle = 84' + 112' + 140') |
| 1 irish po. | (84'/4) | = | 21 ft. | (1/320 irish ml.) | (right angle triangle = 21' + 28' + 35') |
| 1 dutch ch. | (32 yd.) | = | 96 ft. | (16 fth.) | (r/angle triangle = 96' + 128' + 160') |
| 1 dutch po. | (96'/4) | = | 24 ft. | (1/320 dutch ml.) | (right angle triangle = 24' + 32' + 40') |
| 1 rom.ch. | (20 5/6 yd.) | = | 62 1/2 ft. | (10 5/12 fth.) | (no right angle 3 x 4 x 5 triangle) |
| 1 rom.po. | (62.5'/4) | = | 15 5/8 ft. | (1/320 rom.ml.) | (no right angle 3 x 4 x 5 triangle) |
| 1 ntl.ch. | (25 1/3 yd.) | = | 76 ft. | (12 2/3 fth.) | (no right angle 3 x 4 x 5 triangle) |
| 1 ntl.po. | (76'/4) | = | 19 ft. | (1/320 ntl.ml.) | (no right angle 3 x 4 x 5 triangle) |
| 1 foot link | = | 1 ft. | |
| 1 engineer chain | = | 100 ft.lk. | (1 eng.ch. - canal & railroad construction) |
| 1 rom. pace link | (Yr.1775) | = | 1 rom. pace | (J. Ramsden, Golden Spectacles, Piccadilly, Ossulst.) |
| 1 eng.ch. | (Yr.1775) | = | 40 rom. pace lk. | (1 eng.ch. (coffered) - geodetic survey England U.K.) |
| railroad stephenson gage | = | 56.50 in. | (56" flange-flange + .5" play + two 1.75" rail = 60" track) |
| 1 steeltape red inch | = | 16 in. | (6 x 16" = 8') | (16" load bearing stud marks) |
| 1 steeltape black diamond | = | 1.6 ft. | (5 x 19.2" = 8') | (1.6' truss mk. for 5:8 std. roof slope) |
| 1 steeltape black outline ft. | = | 2 ft. | (4 x 24" = 8') | (2' non-load bearing stud marks) |
| 1 span | (9") | = | 12 dt. | (cloth trade) | (3 dt. + 4 dt. + 5 dt. = 12 dt.) | (360 L) |
| 1 stt. cubit | (18") | = | 2 spans | (cloth trade) | (1 x 2 x 3 x 4 dt. = 24 dt.) | (720 L) |
| 1 bandle | (27") | = | 3 spans | (cloth trade) | (6 x 6 dt. = 36 dt.) | (1080 L) |
| 1 yd. | (36") | = | 4 spans | (16 nlth.) (16x3 dt. = 48 dt.) | (1440 L) | |
| 1 ell | (45") | = | 5 spans | (cloth trade) | (3 x 4 x 5 dt. = 60 dt.) | (1800 L) |
| 1 goad | (54") | = | 6 spans | (cloth trade) | (1 x 2 x 3 x 4 x 5 x 0.6 = 72.0) | (2160 L) |
| • | ||||
| 1'''' | = | 1/1728' | (1 dou.) | (0' 0" 0''' 1'''') |
| 1''' | = | 1/144' | (1 lig.) | (0' 0" 1''') |
| 1" | = | 1/12' | (1 in.) | (0' 1") |
| 1' | = | 1 ft. | (1') |
| • | ||
| 86400" sidereal time | = | 86164" solar time |
| 86400" solar time | = | 86636.64" sidereal time |
| 86400" of time | = | 6 x 60/15 x 60 x 60" of time | (60 - sexagesimal) |
| 1,296,000" of arc | = | 6 x 60 x 60 x 60" of arc | (60 - sexagesimal) |
| 1,296,000" of arc | = | 6 x 216,000" of arc |
| 216,000 | = | (6 x 6 x 6) x (10 x 10 x 10) = 216 x 1000 |
| Babylon/Assyria cube | = | (6 x 10) x (6 x 10) x (6 x 10) = 60 x 60 x 60 = 216,000 |
| Egypt/Arabic cube | = | 10 x 10 x 10 = 1000 |
| 1.216 | = | ((10 x 10 x 10) ÷ 1000) + ((6 x 6 x 6) ÷ 1000) |
| 1 Equator / meridian | = | 1.216 in. x (10 x 10 x 10) x ((6 x 10) x (6 x 10) x (6 x 10)) x 6 |
| 1' of arc of Equator | = | 10 ntl. cables = 6080 ft. = 1 ntl.ml. = 4" sidereal time |
| 1" sidereal time | = | 15" of arc of Equator = 1520 ft. = 1000 egyptian cubits |
| 1 nautical cable | = | 101 1/3 fth. = 608 ft. = 6" arc of Equator = 6/15" sidereal time |
| 1" of arc of Equator | = | 101 1/3 ft. = 1/15" sidereal time |
| 1.216 in. | = | 101 1/3 ft. ÷ 1000 |
| 1.800 cu.in. (1 fl.oz.) | =/> | 1.798045696 cu.in. = 1.216 x 1.216 x 1.216 in. |
| 1 Equator / meridian | = | 1.216 in. x 1,296,000,000 |
| 1° of arc of Eq./mer. | = | 1.216 in. x 3,600,000 |
| 1 ntl.ml. | = | 1.216 in. x 60,000 |
| 1 ntl. cable | = | 1.216 in. x 6000 |
| 1" of arc of Eq./mer. | = | 1.216 in. x 1000 |
| 1/1000" of arc Equator/mer. | = | 1.216 in. |
| 7000 gr. (1 av.lb.) | = | 16 av.oz. |
| 437500 gr. | = | 16000 av.dm. or 8000 av.dr. |
| 437500 gr. | = | 1000 av.oz. distilled water @ maximum density @ 39.2° |
| 1 cu.ft. | = | 1000 av.oz. distilled water = 1728 cu.in. = 12 x 12 x 12 in. |
| 1000 av.oz. distilled water | = | 960 farthings = 240 pennies = 20 shillings = U.S. £1 pound |
| 1.800 cu.in. (1 fl.oz.) | = | 1728 cu.in. (or 1000 av.oz. distilled water) ÷ 960 = 1 farthing |
| 1/1000" of arc Equator/mer. | =/< | one side of 1 fl.oz. cube of com. fluid measure (1.216 in.) |
| • | |||
| Babylon/Assyria cube | = | (6 x 10) x (6 x 10) x (6 x 10) | (216,000) |
| Egypt/Arabic cube | = | 10 x 10 x 10 | (1000) |
| 216 | = | 6 x 6 x 6 | |
| 1000 | = | 10 x 10 x 10 |
| 1.216 | = | ((10 x 10 x 10) ÷ 1000) + ((6 x 6 x 6) ÷ 1000) |
| 1 Equator / meridian | = | 1.216 x 108,000,000 feet | (131,328,000 ft.) |
| 1 sextant of Eq./mer. | = | 1.216 x 18,000,000 feet | (21,888,000 ft.) |
| 1 degree Eq./mer. | = | 1.216 x 300,000 feet | (364,800 ft.) |
| 1 minute Eq./mer. | = | 1.216 x 5000 feet or 1 militia mile | (6080 ft. or 1 ntl. mile) |
| 1 second Eq./mer. | = | 1.216 x 1000 inches | (1216 in.) |
| 1/10 sec. Eq./mer. | = | 1.216 x 100 inches | (121.6 in.) |
| 1/100 sec. Eq./mer. | = | 1.216 x 10 inches | (12.16 in.) |
| 1/1000 sec. Eq./mer. | = | 1.216 x 1 inch | (1.216 in.) |
| 1 fluid ounce (1.80 cu.in.) | =/> | 1.216 x 1.216 x 1.216 inch | (1.798045696 cu.in.) |
| 1 fl.oz. (1.800 cu.in.) | = | 1 avoirdupois ounce wine | (437 1/2 grains) |
| 1 fl.oz. (1.800 cu.in.) | = | 1000/960 av.oz. distilled water @ max.dens. @ 39.2° |
| 1.728 cu.in. | = | 1 av.oz. d. water @ max.dens. | (1.2 x 1.2 x 1.2 in.) |
| 1.728 cu.in. | = | 1 av.oz. distilled water @ max.dens. | (1.0000000 specific gravity) |
| 1.872 cu.in. | = | 1 av.oz. olive-oil | (0.9230769 (12/13) specific gravity) |
| 1.800 cu.in. (1 fl.oz.) | = | (1/2 av.oz. olive-oil) + (1/2 av.oz. d. water) | (0.9600000 specific gravity) |
| 1.000 cu.in. | = | 1 av.oz. ivory | (1.7280000 specific gravity) |
| 1 cu.ft. | = | 960 av.oz. wine = 1728 cu.in. | (12 x 12 x 12 in.) |
| 1 cu.ft. | = | 1000 av.oz. d. water = 1728 cu.in. | (12 x 12 x 12 in.) |
| 1 cu.ft. | = | 60 av.lb. wine | (3 + 4 + 5 = 12) | (3 x 4 x 5 = 60) |
| 1 cu.ft. | = | 1000/16 av.lb. distilled water @ max.dens. @ 39.2° |
| 1 cu.ft. | = | 1000/16 troy lb. wheat |
| 1 cu.ft. | = | 64 av.lb. sea water | (1 av. bushel sea water) |
| 1 cu.ft. | = | 60 fl.pt | 1 fluid pint | = 28.8000 cu.in. |
| 1 cu.ft. | = | 360/7 dry pt. | 1 dry pint | = 33.6000 cu.in. |
| 1 cu.ft. | = | 60/8 fl.gal. | 1 fluid gallon | = 230.400 cu.in. |
| 1 cu.ft. | = | 360/56 dry gal. | 1 dry gallon | = 268.800 cu.in. |
| 1 cu.ft. | = | 3(4 in.) x 4(3 in.) x 5(2.4 in.) | (1728 cu.in.) | (60 fl.pt.) |
| 1 cu.ft. | = | 8(1.5 in.) x 10(1.2 in.) x 12(1 in.) | (1728 cu.in.) | (960 fl.oz.) |
| 1 cu.ft. | = | 10(1.2 in.) x 10(1.2 in.) x 10(1.2 in.) | (1728 cu.in.) | (1000 av.oz. water) |
| 960 fl.oz. (1 cu.ft.) | = | 960 farthings = 240 pennies = 20 shillings = U.S. £1 pound |
| 960 av.oz. wine | = | 960 farthings = 240 pennies = 20 shillings = U.S. £1 pound |
| 1 av.lb. wine | = | 28.800 cu.in. | (1 fl.pt.) |
| 1 av.lb. wheat | = | 33.600 cu.in. | (1 dry pt.) |
| 1 av.lb. distill. water | = | 27.648 cu.in. |
| 1 troy lb. wheat | = | 27.648 cu.in. |
| 1 av.lb. sea water | = | 27.000 cu.in. |
| 1/1000" of arc Equator/mer. | =/< | one side of 1 fl.oz. cube of common fluid measure (1.216 in.) |
| 1 circle or Eq./mer. | = | 6 sextants | (131,328,000 ft.) |
| 1 sextant circle or Eq./mer. | = | 60 degrees | (6 x 10) | (21,888,000 ft.) |
| 1 degree circle or Eq./mer. | = | 60 min. of arc | (6 x 10) | (364,800 ft.) |
| 1 minute circle or Eq./mer. | = | 60 sec. of arc | (6 x 10) | (6080 ft. or 1 ntl. mile) |
| 1 second circle or Eq./mer. | = | 1/60 min. of arc | (1216 in.) | |
| 1 sidereal day or Equator | = | 6 sextants | (131,328,000 ft.) | |
| 1 sextant sidereal day | = | 4 hours | ((6 x 10) ÷ 15) | (21,888,000 ft.) |
| 1 hour sidereal day | = | 60 min. of time | (6 x 10) | (5,472,000 ft.) |
| 1 minute sidereal day | = | 60 sec. of time | (6 x 10) | (91,200 ft. or 15 ntl. miles) |
| 1 second sidereal day | = | 1/60 min. of time | (1520 ft.) |
| 1 explicit ounce | = | 1.2 x 1.2 x 1.2 inch | (1.728 cu.in.) | (Yr.1826) |
| 1 et.oz. (1.728 cu.in.) | = | 1 av.oz. distilled water @ max.dens. @ 39.2 F | (Yr.1826) |
| 1 cu.ft. | = | 1000 av.oz. distilled water = 1728 cu.in. | (12 x 12 x 12 in.) |
| 1000 et.oz. (1 cu.ft.) | = | 1000 mills = 100 cents = 10 dimes = U.K. $1 dollar | (Yr.1826) |
| 1000 av.oz. distilled water | = | 1000 mills = 100 cents = 10 dimes = U.K. $1 dollar | (Yr.1826) |
| 6/6080" of arc Equator/mer. | = | one side of 1 et.oz. cube of The Britains explicit measure = 1.2 in. | (Yr.1826) |
| LEATHER SEALER'S OFFICE, Londonderry, Vt. | April 8th 1826 | Rory Ely Cole |
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