Nautical Calculator

Solve many of the marine navigation equations and conversions

Available calculators:

Celestial Navigation:

- Altitude Correction for Air Temperature

- Altitude Correction for Atmospheric Pressure

- Altitude Factors & Change of Altitude

- Compass Error from Amplitudes Observed on the Celestial Horizon

- Compass Error from Amplitudes Observed on the Visible Horizon

- Latitude and Longitude Factors

- Meridian Angle and Altitude of a Body on the Prime Vertical Circle

- Pub 229

- Table of Offsets

Conversions:

- Chart Scales and Conversion for Nautical and Statute Miles

- Conversion for Meters, Feet and Fathoms

Distance:

- Dip of Sea Short of the Horizon

- Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon

- Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object

- Distance by Vertical Angle Measured Between Waterline at Object and Top of Object

- Distance of an Object by Two Bearings

- Distance of the Horizon

- Geographic Range

- Length of a Degree of Latitude and Longitude

- Meridional Parts

- Speed for Measured Mile and Speed, Time, and Distance

- Traverse Table

Log and Trig:

- Logarithmic and Trigonometric Functions

Sailings:

- Great Circle Sailing

- Mercator Sailing

Time Zone Table:

- Time Zones, Zone Descriptions, and Suffixes

Weather Data:

- Barometer Measurement Conversions

- Correction of Barometer Reading for Gravity

- Correction of Barometer Reading for Height Above Sea Level

- Correction of Barometer Reading for Temperature

- Direction and Speed of True Wind

- Relative Humidity and Dew Point

- Temperature Conversions