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Sponsors

FLIR Systems, Inc.
9 Townsend
West Nashua, NH 03063
Tom Milanette
603-324-7967
tom.milanette@flir.com

Mooringinfo
4 Boxwood Lane
Duxbury, MA  02332
781-248-6007
jvigilante@mooringinfo.com

New England Marine & Industrial, Inc.
200 Spaulding Turnpike
Portsmouth, NH 03801
Shannon McNally
603-436-2836
Shannon@newenglandmarine.com

Online Mooring
2485 Main St.
Rocky Hill, CT  06067
bhurley@onlinemooring.com

Rose's Marine/Rose's Oil Service
P.O. Box 1345
375 Main Street
Gloucester, MA 01930
Marty Bolcome
978-283-3334
marty@rosesoil.net

 


 


 


Calculators

Meters, Feet and Fathoms Calculator

Enter Feet, Compute Results for Meters and Fathoms:

Feet:
Meters:
Fathoms:

Enter Meters, Compute Results for Feet and Fathoms

Meters:
Feet:
Fathoms:

Enter Fathoms, Compute Results for Meters and Feet:

Fathoms:
Meters:
Feet:

Distance and Chart Scale Calculators

 

Convert Nautical Miles to Statute Miles:

Enter Nautical Miles:
Statute Miles:
 

Convert Statute Miles to Nautical Miles:

Enter Statute Miles:
Nautical Miles:
 

Enter the Scale, Compute Nautical Miles, Statute Miles and Feet
For example, if the scale of the chart is 1:20,000 enter 20000

Enter Scale:
Nautical Miles Per Inch:
Statute Miles Per Inch:
Inches Per Nautical Mile:
Inches Per Statute Mile:
Feet Per Inch:
 

Speed Calculator

Convert from one speed to another

1 knot = 1 nautical mile per hour = 6076 feet per hour = 1.15078 mph
1 mph = 1 mile per hour = 5280 feet per hour = 0.86898 knots per hour

Type a value in one box and click here to see the results

Kilometers per hour
Miles per hour
Knots

 

 

 


Massachusetts Harbormasters Association, Inc.
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