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Spheroidal distance is the shortest distance between two points on the surface of a sphere, measured along the surface of the sphere (as opposed to a straight line through the sphere's interior). Check FAQs
S=K+(K324R2)
S - Spheroidal Distance?K - Reduced Distance?R - Earth Radius in km?

Spheroidal Distance Example

With values
With units
Only example

Here is how the Spheroidal Distance equation looks like with Values.

Here is how the Spheroidal Distance equation looks like with Units.

Here is how the Spheroidal Distance equation looks like.

49.5001Edit=49.5Edit+(49.5Edit3246370Edit2)
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Spheroidal Distance Solution

Follow our step by step solution on how to calculate Spheroidal Distance?

FIRST Step Consider the formula
S=K+(K324R2)
Next Step Substitute values of Variables
S=49.5m+(49.5m32463702)
Next Step Prepare to Evaluate
S=49.5+(49.532463702)
Next Step Evaluate
S=49.5001245447687m
LAST Step Rounding Answer
S=49.5001m

Spheroidal Distance Formula Elements

Variables
Spheroidal Distance
Spheroidal distance is the shortest distance between two points on the surface of a sphere, measured along the surface of the sphere (as opposed to a straight line through the sphere's interior).
Symbol: S
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Reduced Distance
Reduced distance is the distance which is reduced over the ellipsoid between the projections of the two points onto the ellipsoid.
Symbol: K
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Earth Radius in km
Earth radius in km is the distance from the center of Earth to a point on or near its surface. Approximating earth as a spheroid, the radius ranges from 6,357 km to 6,378 km.
Symbol: R
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Spheroidal Distance

​Go Spheroidal Distance for Tellurometers
S=K+(K343R2)
​Go Spheroidal Distance for Geodimeters
S=K+(K338R2)

Other formulas in EDM Lines category

​Go Reduced Distance
K=R(D-(H2-H1))(D+(H2-H1))(R+H1)(R+H2)

How to Evaluate Spheroidal Distance?

Spheroidal Distance evaluator uses Spheroidal Distance = Reduced Distance+((Reduced Distance^3)/(24*Earth Radius in km^2)) to evaluate the Spheroidal Distance, The Spheroidal Distance formula is defined as the shortest distance between two points on the surface of a sphere, measured along the surface of the sphere (as opposed to a straight line through the sphere's interior). Spheroidal Distance is denoted by S symbol.

How to evaluate Spheroidal Distance using this online evaluator? To use this online evaluator for Spheroidal Distance, enter Reduced Distance (K) & Earth Radius in km (R) and hit the calculate button.

FAQs on Spheroidal Distance

What is the formula to find Spheroidal Distance?
The formula of Spheroidal Distance is expressed as Spheroidal Distance = Reduced Distance+((Reduced Distance^3)/(24*Earth Radius in km^2)). Here is an example- 49.50012 = 49.5+((49.5^3)/(24*6370^2)).
How to calculate Spheroidal Distance?
With Reduced Distance (K) & Earth Radius in km (R) we can find Spheroidal Distance using the formula - Spheroidal Distance = Reduced Distance+((Reduced Distance^3)/(24*Earth Radius in km^2)).
What are the other ways to Calculate Spheroidal Distance?
Here are the different ways to Calculate Spheroidal Distance-
  • Spheroidal Distance=Reduced Distance+((Reduced Distance^3)/(43*Earth Radius in km^2))OpenImg
  • Spheroidal Distance=Reduced Distance+((Reduced Distance^3)/(38*Earth Radius in km^2))OpenImg
Can the Spheroidal Distance be negative?
No, the Spheroidal Distance, measured in Length cannot be negative.
Which unit is used to measure Spheroidal Distance?
Spheroidal Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Spheroidal Distance can be measured.
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