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| Wind Speed Measurement Units and Conversion Factors |
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| 1 metre per second (m/s, ms-1) | = | 2.237 miles per hour (mph) |
| 1 metre per second (m/s, ms-1) | = | 1.9426 Knots (Kts)* |
| 1 metre per second (m/s, ms-1) | = | 3.60 kilometres per hour (kph) |
| 1 Knot (Kts)* | = | 0.515 metres per second (m/s, ms-1) |
| 1 Knot (Kts)* | = | 1.152 miles per hour (mph) |
| 1 Knot (Kts)* | = | 1.85 kilometres per hour (kph) |
| 1 mile per hour (mph) | = | 0.447 metres per second (m/s, ms-1) |
| 1 mile per hour (mph) | = | 0.868 Knots (Kts)* |
| 1 mile per hour (mph) | = | 1.61 kilometres per hour (kph) |
Note: * There are actually two slightly different flavours of "Knots"...
A "Knot" is defined as "nautical-miles per hour", in the UK a "nautical mile" is defined as 6080 feet whereas it is defined as 1.852Km (or 6076.12 feet) internationally which means that 0.0639% should be added to "UK knots" to get "International Knots". The small difference is generally not significant. We have always used the "UK knots" definition.
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Windspeed Limited (trading as Vector Instruments),
115 Marsh Road, RHYL, North Wales, LL18 2AB, United Kingdom
Tel: +44 (0) 1745 350700 Fax: +44 (0) 1745 344206
Email: sales@windspeed.co.uk
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Website design and content is copyright (c) 2003-2010 Windspeed Limited (unless otherise stated). All trademarks are acknowledged.
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