1 pollice                                                     2,54 cm

1 piede (12 pollici)                                      30,5 cm

1 iarda (3 piedi)                                         0,914 m

1 braccio (2 iarde)                                     1,829 m

1 miglio (di terra; 1760 iarde)                   1,609 km

1 miglio (nautico; 2026 iarde)                    1,853 km

1 lega (3 miglia nautiche)                           5,559 km

1 pinta                                                   0,568 litri

1 quarto (2 pinte)                                    1,136 litri

1 gallone (4 quarti)                                 4,456 litri

1 barile (36 galloni)                              163,65 litri

1 oncia                                                       28,35 g

1 libbra (16 once)                                     0,453 kg

1 hundredweight (112 libbre)                     50,80 kg

1 tonnellata (inglese; 20 hundredweight)       1016 kg