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### WGS 84 & EPSG:4326 Geodetic Coordinate Standards Global Positioning System (GPS) coordinates describe precise locations on Earth's ellipsoidal surface: - **Decimal Degrees (DD)**: Preferred in.

Reviewed by Sheraz Share · BSCS
Last updated:
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⚙ Input Values

📊 Results

Decimal Degrees (DD)
40.689200, -74.044500
Degrees Minutes Seconds (DMS)
40° 41' 21.12" N, 74° 2' 40.20" W
Degrees Decimal Minutes (DDM)
40° 41.3520' N, 74° 2.6700' W
Google Maps Link
https://www.google.com/maps?q=40.689200,-74.044500
Distance to Equator (km)
4,529.5
km
Hemisphere Quadrant
Northern & Western Hemisphere (NW)
✦ WGS 84 Geodesy Summary
Geodesy (WGS 84 - EPSG:4326 [Statue of Liberty NYC]): DD: 40.689200, -74.044500 | DMS: 40° 41' 21.12" N, 74° 2' 40.20" W | DDM: 40° 41.3520' N, 74° 2.6700' W. Location: Northern & Western Hemisphere (NW), ~4,530 km from the Equator.
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📐 Formula

Conversion factors (to SI base unit or reference unit):
lat: 40.6892
lon: -74.0445

💡 Practical Example

✅

The Eiffel Tower in Paris converts from Decimal Degrees (48.8584, 2.2945) to Degrees Minutes Seconds: 48° 51' 30.24" N, 2° 17' 40.20" E.

📖 About Coordinates Converter

WGS 84 & EPSG:4326 Geodetic Coordinate Standards

Global Positioning System (GPS) coordinates describe precise locations on Earth's ellipsoidal surface:

  • Decimal Degrees (DD): Preferred in software APIs, Google Maps, and GIS databases (40.6892, -74.0445).
  • Degrees Minutes Seconds (DMS): Classical astronomical and surveying notation (40° 41' 21.12" N, 74° 02' 40.20" W).
  • DD = Degrees + Minutes60 + Seconds3600
  • Degrees Decimal Minutes (DDM): Standard in marine GPS, boating navigation, and aviation (40° 41.3520' N, 74° 02.6700' W).
  • Distance per Degree: 1^ of Latitude ≈ 111.32 km.

How to Use This Calculator

Enter your Latitude (Decimal Degrees) (e.g. 40.6892), Longitude (Decimal Degrees) (e.g. -74.0445), and Global Landmark Benchmark — choose from Custom Coordinates, Statue of Liberty NYC (40.6892° N, 74.0445° W), Eiffel Tower Paris (48.8584° N, 2.2945° E). Results update instantly as you type — adjust any value to compare scenarios.

The Formula

Conversion factors (to SI base unit or reference unit):

lat: 40.6892

lon: -74.0445

Worked Example

The Eiffel Tower in Paris converts from Decimal Degrees (48.8584, 2.2945) to Degrees Minutes Seconds: 48° 51' 30.24" N, 2° 17' 40.20" E.

Understanding Your Result

Unit conversion precision: round to the same number of significant figures as your original measurement. Converting 6 feet to meters gives 1.8288 m — but if your measurement was approximate (±1 inch), expressing more than 2 decimal places is false precision. For international trade and technical specifications, SI units (meters, kilograms, liters) are the standard. US customary units (feet, pounds, gallons) differ from Imperial UK units: 1 US gallon = 3.785 L vs. 1 UK gallon = 4.546 L.

💡 Methodological Standards & Calculation Accuracy

  • All calculations are performed client-side in your browser using verified, standards-compliant mathematical algorithms.
  • Results are provided for educational and informational analysis; verify critical applications with certified domain specialists.
  • Ensure input values are entered in consistent units matching the selector options to guarantee accurate outputs.
  • Periodic recalibration is recommended whenever baseline assumptions, operating parameters, or external conditions change.

Results are for informational and educational purposes only. Always verify critical decisions with a qualified professional.

❓ Frequently Asked Questions

How do you convert Decimal Degrees to DMS?

Keep the whole number as degrees, multiply the decimal remainder by 60 to get minutes, then multiply the remaining decimal by 60 to get seconds.

What is the difference between DD and DMS?

Decimal Degrees (DD) express coordinates as single decimal numbers (e.g. 40.6892), while DMS breaks coordinates into Degrees, Minutes, and Seconds (e.g. 40° 41' 21.12" N).

What does a negative latitude or longitude mean?

Negative latitude indicates the Southern Hemisphere (South of Equator), and negative longitude indicates the Western Hemisphere (West of Prime Meridian in Greenwich).

What are DDM coordinates used for?

Degrees Decimal Minutes (DDM) are the primary standard used by marine vessels, aviation flight navigation systems, and Coast Guard search-and-rescue teams.

Where is Null Island located?

Null Island is the fictional location at 0° N, 0° E in the Gulf of Guinea where the Equator intersects the Prime Meridian, often used as a debugging point in GIS systems.

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