GEN 2.6 — Conversion Tables
The following conversion factors are provided in accordance with ICAO Annex 5 (Units of Measurement).
Distance
| From | To | Factor |
|---|
| Nautical Miles (NM) | Kilometres (km) | × 1.852 |
| Kilometres (km) | Nautical Miles (NM) | × 0.53996 |
| Feet (ft) | Metres (m) | × 0.3048 |
| Metres (m) | Feet (ft) | × 3.28084 |
Speed
| From | To | Factor |
|---|
| Knots (kt) | km/h | × 1.852 |
| km/h | Knots (kt) | × 0.53996 |
Temperature
°C = (°F − 32) × 5/9 | °F = (°C × 9/5) + 32
Pressure
| From | To | Factor |
|---|
| hPa (mbar) | inHg | × 0.02953 |
| inHg | hPa (mbar) | × 33.8639 |
Standard Conversion Factors
| From | To | Factor |
|---|
| 1 NM | Kilometres | 1.852 km |
| 1 NM | Statute Miles | 1.15078 SM |
| 1 foot | Metres | 0.3048 m |
| 1 metre | Feet | 3.28084 ft |
| 1 knot | km/h | 1.852 km/h |
| 1 knot | m/s | 0.5144 m/s |
| 1 hPa | inches Hg | 0.02953 inHg |
| 1 inHg | hPa | 33.864 hPa |
| 1 kg | Pounds | 2.20462 lb |
| 1 US gallon | Litres | 3.78541 L |
| 1 Imp gallon | Litres | 4.54609 L |
Temperature Conversion
°C to °F: °F = (°C × 9/5) + 32 | °F to °C: °C = (°F − 32) × 5/9
| °C | °F | °C | °F |
|---|
| -40 | -40 | 10 | 50 |
| -30 | -22 | 15 | 59 |
| -20 | -4 | 20 | 68 |
| -10 | 14 | 30 | 86 |
| 0 | 32 | 40 | 104 |
