Weights and Measures Act (R.S.C., 1985, c. W-6)
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Act current to 2024-10-30 and last amended on 2021-04-19. Previous Versions
SCHEDULE II(Section 4)Canadian Units of Measurement
Measurement of Length
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | mile | 1 760 yards |
| (b) | furlong | 220 yards |
| (c) | rod, pole or perch | 5½ yards |
| (d) | yard | 9 144/10 000 metre |
| (e) | foot | 1/3 yard |
| (f) | inch | 1/36 yard |
| (g) | chain | 22 yards |
| (h) | link | 1/100 chain |
Measurement of Area
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | square mile | 640 acres |
| (b) | acre | 4 840 square yards |
| (c) | square rod | 30¼ square yards |
| (d) | square yard | a superficial area equal to that of a square each side of which measures one yard |
| (e) | square foot | 1/9 square yard |
| (f) | square inch | 1/144 square foot |
Measurement of Volume or Capacity
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | bushel | 8 gallons |
| (b) | peck | 2 gallons |
| (c) | gallon | 454 609/100 000 000 cubic metre |
| (d) | quart | 1/4 gallon |
| (e) | pint | 1/8 gallon |
| (f) | gill | 1/32 gallon |
| (g) | fluid ounce | 1/160 gallon |
| (h) | fluid dram | 1/8 fluid ounce |
| (i) | cubic yard | a volume equal to that of a cube each side of which measures one yard |
| (j) | cubic foot | 1/27 cubic yard |
| (k) | cubic inch | 1/1 728 cubic foot |
| (l) | [Deleted, SOR/86-854, s. 2] | |
Measurement of Mass or Weight
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | ton | 2 000 pounds |
| (b) | cental or hundredweight | 100 pounds |
| (c) | pound | 45 359 237/100 000 000 kilogram |
| (d) | ounce | 1/16 pound or 437½ grains |
| (e) | dram | 1/16 ounce |
| (f) | grain | 1/7 000 pound |
Measurement of the Mass or Weight of Precious Metals
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | troy ounce | 480 grains |
Measurement of the Mass or Weight of Precious Stones and Gem Stones
| Unit of Measurement | Definition | |
|---|---|---|
| (a) | carat | 200 milligrams |
- R.S., 1985, c. W-6, Sch. II
- SOR/86-854
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