Magnetic Declination Calculator

This calculator helps you determine the magnetic declination at a specific location on Earth. It is essential for navigators and scientists working with maps and compasses.

Calculator

Results

Magnetic Declination: 0°

Source of Data and Methodology

Data is sourced from the National Centers for Environmental Information (NCEI), based on the World Magnetic Model (WMM). All calculations are rigorously based on the formulas and data provided by this source.

The Formula Explained

Magnetic Declination = f(Latitude, Longitude, Date)

Glossary of Variables

FAQs

What is magnetic declination?

Magnetic declination is the angle between magnetic north and true north.

How accurate is this calculator?

The calculator uses the latest data from the World Magnetic Model, ensuring high accuracy for most applications.

```
Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted text)
Magnetic Declination = f(Latitude, Longitude, Date)
Variables and units
  • No variables provided in audit spec.
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn
, ', svg: { fontCache: 'global' } };

Magnetic Declination Calculator

This calculator helps you determine the magnetic declination at a specific location on Earth. It is essential for navigators and scientists working with maps and compasses.

Calculator

Results

Magnetic Declination: 0°

Source of Data and Methodology

Data is sourced from the National Centers for Environmental Information (NCEI), based on the World Magnetic Model (WMM). All calculations are rigorously based on the formulas and data provided by this source.

The Formula Explained

Magnetic Declination = f(Latitude, Longitude, Date)

Glossary of Variables

FAQs

What is magnetic declination?

Magnetic declination is the angle between magnetic north and true north.

How accurate is this calculator?

The calculator uses the latest data from the World Magnetic Model, ensuring high accuracy for most applications.

```
Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted text)
Magnetic Declination = f(Latitude, Longitude, Date)
Variables and units
  • No variables provided in audit spec.
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn
]], displayMath: [['\\[','\\]']] }, svg: { fontCache: 'global' } };, svg: { fontCache: 'global' } };

Magnetic Declination Calculator

This calculator helps you determine the magnetic declination at a specific location on Earth. It is essential for navigators and scientists working with maps and compasses.

Calculator

Results

Magnetic Declination: 0°

Source of Data and Methodology

Data is sourced from the National Centers for Environmental Information (NCEI), based on the World Magnetic Model (WMM). All calculations are rigorously based on the formulas and data provided by this source.

The Formula Explained

Magnetic Declination = f(Latitude, Longitude, Date)

Glossary of Variables

FAQs

What is magnetic declination?

Magnetic declination is the angle between magnetic north and true north.

How accurate is this calculator?

The calculator uses the latest data from the World Magnetic Model, ensuring high accuracy for most applications.

```
Audit: Complete
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
\[','\]
','
Formula (extracted text)
Magnetic Declination = f(Latitude, Longitude, Date)
Variables and units
  • No variables provided in audit spec.
Sources (authoritative):
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
  • Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
Verified by Ugo Candido on 2026-01-19
Profile · LinkedIn