Free tools
Marine Unit Converter
Convert nautical miles, draft in metres and feet, metric and long tons, barrels and cubic metres, knots, pressure and temperature.
Conversions use standard factors. For cargo calculations always use the density and temperature figures on the certificate rather than a generic conversion.
Conversions
- Nautical mile (nm)
- 1
- Kilometre (km)
- 1.852
- Statute mile (mi)
- 1.1508
- Metre (m)
- 1,852
- Cable
- 10
Everyday conversions
Distance in nautical miles, kilometres and cables; draft and length in metres, feet and fathoms; mass in metric, long and short tons; volume in cubic metres, barrels and cubic feet; speed in knots and kilometres per hour; pressure in bar and psi; and temperature.
A caution on cargo
Volume to mass conversions for liquid cargo depend on density at the observed temperature. The generic factors here are useful for a quick check but should never replace the figures on the cargo certificate.
Want a binding proforma instead?
Send the vessel particulars and the port; we return an itemised disbursement account the same day.
Request a quote