| 40 in * | 0.0254 m | = 1.016 m | 
| 1 in | 
| Units of measurement | Lengths | 
|---|---|
| Nanometre | 1016000000.0 nm | 
| Micrometre | 1016000.0 µm | 
| Millimetre | 1016.0 mm | 
| Centimetre | 101.6 cm | 
| Inch | 40.0 in | 
| Foot | 3.3333333333 ft | 
| Yard | 1.1111111111 yd | 
| Metre | 1.016 m | 
| Kilometre | 0.001016 km | 
| Mile | 0.0006313131 mi | 
| Nautical mile | 0.0005485961 nmi | 
