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Magnetic Declination is the horizontal angle between true north and magnetic north at the time of observation. Check FAQs
MD=TB-MB
MD - Magnetic Declination?TB - True Bearing?MB - Magnetic Bearing?

Magnetic Declination to East Example

With values
With units
Only example

Here is how the Magnetic Declination to East equation looks like with Values.

Here is how the Magnetic Declination to East equation looks like with Units.

Here is how the Magnetic Declination to East equation looks like.

5Edit=60Edit-55Edit
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Magnetic Declination to East Solution

Follow our step by step solution on how to calculate Magnetic Declination to East?

FIRST Step Consider the formula
MD=TB-MB
Next Step Substitute values of Variables
MD=60°-55°
Next Step Convert Units
MD=1.0472rad-0.9599rad
Next Step Prepare to Evaluate
MD=1.0472-0.9599
Next Step Evaluate
MD=0.0872664625996991rad
Next Step Convert to Output's Unit
MD=4.99999999999994°
LAST Step Rounding Answer
MD=5°

Magnetic Declination to East Formula Elements

Variables
Magnetic Declination
Magnetic Declination is the horizontal angle between true north and magnetic north at the time of observation.
Symbol: MD
Measurement: AngleUnit: °
Note: Value can be positive or negative.
True Bearing
True Bearing is the horizontal angle measured clockwise between the true meridian and the line is called true bearing of the line.
Symbol: TB
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Magnetic Bearing
Magnetic Bearing is the horizontal angle which a line makes with the magnetic meridian is called magnetic bearing. It varies with time.
Symbol: MB
Measurement: AngleUnit: °
Note: Value should be greater than 0.

Other Formulas to find Magnetic Declination

​Go Magnetic Declination to West
MD=MB-TB

Other formulas in Compass Surveying category

​Go Fore Bearing in Whole Circle Bearing System
FB=(BB-(180π180))
​Go Included Angle from Two Lines
θ=α-β
​Go Included Angle when Bearings are Measured in Opposite Side of Common Meridian
θ,=β+α
​Go Included Angle when Bearings are Measured in Same Side of Different Meridian
θ=(180π180)-(α+β)

How to Evaluate Magnetic Declination to East?

Magnetic Declination to East evaluator uses Magnetic Declination = True Bearing-Magnetic Bearing to evaluate the Magnetic Declination, The Magnetic Declination to East formula is defined as the angle between true north (geographic north) and magnetic north, where the magnetic north is positioned to the east of true north. This angle can be positive or negative and is usually measured in degrees. Magnetic Declination is denoted by MD symbol.

How to evaluate Magnetic Declination to East using this online evaluator? To use this online evaluator for Magnetic Declination to East, enter True Bearing (TB) & Magnetic Bearing (MB) and hit the calculate button.

FAQs on Magnetic Declination to East

What is the formula to find Magnetic Declination to East?
The formula of Magnetic Declination to East is expressed as Magnetic Declination = True Bearing-Magnetic Bearing. Here is an example- 286.4789 = 1.0471975511964-0.959931088596701.
How to calculate Magnetic Declination to East?
With True Bearing (TB) & Magnetic Bearing (MB) we can find Magnetic Declination to East using the formula - Magnetic Declination = True Bearing-Magnetic Bearing.
What are the other ways to Calculate Magnetic Declination?
Here are the different ways to Calculate Magnetic Declination-
  • Magnetic Declination=Magnetic Bearing-True BearingOpenImg
Can the Magnetic Declination to East be negative?
Yes, the Magnetic Declination to East, measured in Angle can be negative.
Which unit is used to measure Magnetic Declination to East?
Magnetic Declination to East is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Magnetic Declination to East can be measured.
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