For ship's comparison we will convert old national feet & gunnery pounds (lbs.) units into metric system; meters & kilos.
NATION | Metric | ||||||||||
1 ft. = | 0.30488 | 0.31385 | 0.2831 | 0.32484 | 0.3285 | 0.304881 | 0.2786352 | 0.2969 | 0.30488 | 0.34773 | meters |
1 lbs. = | 0.4536 | 0.496 | 0.4941 | 0.489505 | 0.459 | 0.494414 | 0.4895053 | 0.500 | 0.4536 | 0.477 | kilos |
1 Russia adopted britsh feet around 1700.
2 Spanish Burgos feet, commonly used after 1750.
3 Spain adopted french pound around 1740.
Unit (metric) | Division | Unit (metric) | Division | Unit (metric) | |
Length | 1 Yard (0.91464 m.) | 3 Feet | 1 Foot (0.30488 m.) | 12 Inches | 1 Inch (0.02539 m.) |
Weight | 1 Pound (0.4536 Kg.) | 16 Ounces | 1 Onze (0.02535 Kg.) | ||
Weight1 | 1 Ton (970.00 Kg.) | ||||
Volume | 1 Ton (2.83 m3) | 100 cubic feet |
1 British commercial ton.
Unit (metric) | Division | |
Length | 1 Foot (0.31385 m.) | 12 Inches? |
Weight | 1 Pound (0.496 Kg.) | ? |
Unit (metric) | Division | |
Length | 1 Voet, Amsterdam foot (0.2831 m.) | ? |
Weight | 1 Amsterdam pound (0.4941 Kg.) | ? |
Unit (metric) | Division | Unit (metric) | |
Length1 | 1 French cubit (0.64654 m.) | 3 Feet | 1 Feet (0.215514 m.) |
Length | 1 Pied du Roi, Royal foot (0.32484 m.) | 12 Royal Pouces | 1 Royal Pounce (0.02707 m.) |
Length1 | 1 French foot (0.32327 m.) | 12 Pounces | 1 Pounce (0.02694 m.) |
Weight | 1 Livre, Pound (0.489505 Kg.) | 16 Onces | 1 Onze (0.0306 Kg.) |
1 Source b2.
Unit (metric) | Division | |
Length | 1 Foot (0.3285 m.) | 12 Inches? |
Length | 1 Rumo (1.540 m.) | 2 Goas |
Length | 1 Goa (0.770 m.) | 6 palmos |
Length | 1 palmo de goa (0.257 m.) | 7 polegadas |
Weight | 1 Pound (0.459 Kg.) | 16 Ounces? |
Unit (metric) | Division | |
Length1 | 1 Foot (0.30488 m.) | 12 Inches |
Weight2 | 1 Pound (0.409512 Kg.) | ? |
Weight | zolotniks, 1 Pound (0.490 Kg.) | |
Weight3 | zolotniks, 1 Pound (0.494414 Kg.) |
1 Russia adopted British lenght units since the early 1700s.
2 Russian commercial pound.
3 Stablished around 1700 by Peter I the Great for naval artillery (artillerskiy funt), 1.2 times russian comercial pound.
Unit (metric) | Division | Unit (metric) | Division | Unit | Division | Unit | Division | |
Weight1 | 1 Tonelada (914.00 Kg.) |
20 Quintales | 1 Quintal (45.70 Kg.) |
4 Arrobas | 1 Arroba (11.425 Kg.) |
25 Libras | 1 Libra (0.451 Kg.) |
16 Onzas |
Weight2 | 1 Libra (0.489505 Kg.) |
16 Onzas (ounces) | 1 Onza (0.02875 Kg.) |
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Length3 | 1 Codo de Ribera (0.574684 m.) |
2 Pies de Burgos + 9 lineas |
1 Pie Burgos (0.287342 m.) |
12 Pulgadas |
1 Pulgada (0.002395 m.) |
12 Lineas | ||
Length3 |
1 Codo de Ribera (0.574684 m.) |
33 Dedos or 24 Pulgadas |
1 Dedo 1 Pulgada (0.02395 m.) |
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Volume7 | 1 Tonelada (1.518 m3) | 8 Codos cubicos | ||||||
Length4 | 1 Vara de Burgos (0.835906 m.) |
3 Pies | 1 Pie (0.278635 m.) |
12 Pulgadas | 1 Pulgada (0.023219 m.) |
12 Lineas | ||
Length4 | 1 Vara de Burgos (0.835906 m.) |
2 Codos | 1 Codo (0.417953 m.) |
18 Pulgadas | 1 Pulgada (0.023219 m.) |
12 Lineas | ||
Length | 1 Cuarta or Palmo (0.20898 m.) |
12 Dedos | 1 Dedo (0.017415 m.) |
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Length5 | 1 Vara de Rey (0.97449 m.) |
3 Pies | 1 Pie (0.32483 m.) |
12 Pulgadas | 1 Pulgada (0.02707 m.) |
12 Lineas | ||
Weight6 | 1 Tonelada (920.186 Kg.) |
20 Quintales | 1 Quintal (46.0093 Kg.) |
4 Arrobas | 1 Arroba (11.502 Kg.) |
25 Libras | 1 Libra (0.460093 Kg.) |
16 Onzas |
1 Spanish comercial pound & military until around 1740.
2 Spain adopted the french pound for naval artillery between 1728 & 1743.
3 Spanish Codo de Ribera, Rey or Real, from 1590 until 1752. Another spanish old codo Castellano (32 dedos), was 0.5573 m.
4 Spain adopted as standard the Pie de Burgos or Castellano in 1752.
5 Spain adopted the Vara and Pie de Rey or Real (french Pied du Roi) only for naval artillery after 1765.
6 Established by Charles IV of Spain around 1800 for comercial use?
7 Established by Royal Ordenance in 1738: spanish "Arqueo tons" equal to 8 cubic "codos de ribera"
Unit (metric) | Division | |
Length | 1 Foot (0.2969 m.) | 12 Inches? |
Weight | 1 Pound (0.500 Kg.) | 16 Ounces? |
Unit (metric) | Division | Unit (metric) | Division | Unit (metric) | |
Length | 1 Yard (0.91464 m.) | 3 Feet | 1 Foot (0.30488 m.) | 12 Inches | 1 Inch (0.02539 m.) |
Weight | 1 Pound (0.4536 Kg.) | 16 Ounces | 1 Onze (0.02535 Kg.) |
Unit (metric) | Division | |
Length | 1 Foot (0.34773 m.) | ? |
Weight | 1 Pound (0.477 Kg.) | ? |