Iontráil an fad in orlach (″) agus brúigh an cnaipe Tiontaigh :
Tá 1 orlach cothrom le 0.0254 méadar:
1 ″ = 0.0254m
Tá an fad d i méadair (m) cothrom leis an bhfad d in orlach (″) huaire 0.0254:
d (m) = d (″) × 0.0254
Tiontaigh 20 orlach go méadar:
d (m) = 20 ″ × 0.0254 = 0.508m
| Inches (") | Méadair (m) |
|---|---|
| 0.01 ″ | 0.000254000 m |
| 1/64 ″ | 0.000396875 m |
| 1/32 ″ | 0.000793750 m |
| 1/16 ″ | 0.001587500 m |
| 0.1 ″ | 0.002540000 m |
| 1/8 ″ | 0.003175 m |
| 1/4 ″ | 0.00635 m |
| 1/2 ″ | 0.0127 m |
| 1 ″ | 0.0254 m |
| 2 ″ | 0.0508 m |
| 3 ″ | 0.0762 m |
| 4 ″ | 0.1016 m |
| 5 ″ | 0.1270 m |
| 6 ″ | 0.1524 m |
| 7 ″ | 0.1778 m |
| 8 ″ | 0.2032 m |
| 9 ″ | 0.2286 m |
| 10 ″ | 0.2540 m |
| 20 ″ | 0.5080 m |
| 30 ″ | 0.7620 m |
| 40 ″ | 1.0160 m |
| 50 ″ | 1.2700 m |
| 60 ″ | 1.5240 m |
| 70 ″ | 1.7780 m |
| 80 ″ | 2.0320 m |
| 90 ″ | 2.2860 m |
| 100 ″ | 2.5400 m |