Canadian Bar Diameters
| Bar Size | Mass (Kg/m) | Nomimal Diameter (mm) | Cross Sectional Area (mm^2) | Perimeter |
| 10M | .785 | 11.3 | 100 | 35.5 |
| 15M | 1.570 | 16.0 | 200 | 50.1 |
| 20M | 2.355 | 19.5 | 300 | 61.3 |
| 25M | 3.925 | 25.2 | 500 | 79.2 |
| 30M | 5.495 | 29.9 | 700 | 93.9 |
| 35M | 7.850 | 35.7 | 1000 | 112.2 |
| 45M | 11.775 | 43.7 | 1500 | 137.3 |
| 55M | 19.625 | 56.4 | 2500 | 177.2 |
Source
RSIC / IAAC Standards Practice Manual (New edition)