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Stadia Interval Formula

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Stadia interval is the distance on the rod between the apparent positions of the two stadia hairs. Check FAQs

S i = m \cdot P screw

S_i - Stadia Interval?m - Revolution of Screw?P_screw - Pitch Screw?

Stadia Interval Example

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With units

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Here is how the Stadia Interval equation looks like with Values.

Here is how the Stadia Interval equation looks like with Units.

Here is how the Stadia Interval equation looks like.

15.5 = 3.1 \cdot 5

15.5m = 3.1 \cdot 5m

15.5 = 3.1 \cdot 5

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Stadia Interval Solution

Follow our step by step solution on how to calculate Stadia Interval?

FIRST Step Consider the formula

S i = m \cdot P screw

Next Step Substitute values of Variables

∴

S i = 3.1 \cdot 5m

Next Step Prepare to Evaluate

∴

S i = 3.1 \cdot 5

LAST Step Evaluate

∴

S i = 15.5m

Stadia Interval Formula Elements

Variables

Stadia Interval

Stadia interval is the distance on the rod between the apparent positions of the two stadia hairs.

Symbol: S_i

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Stadia Interval

Revolution of Screw

Revolution of screw is the number of revolutions made for the micrometer screw.

Symbol: m

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Revolution of Screw

Pitch Screw

Pitch Screw is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.

Symbol: P_screw

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Pitch Screw

Other formulas in Stadia Surveying category

Go Horizontal Distance between Center of Transit and Rod

H Horizontal = (K \cdot R i \cdot {(\cos (a))}^{2}) + (fc \cdot \cos (a))

Go Vertical Distance between Center of Transit and Rod Intersected by Middle Horizontal Crosshair

V = \frac{1}{2 \cdot ((K \cdot R i \cdot \sin (2 \cdot a)) + (fc \cdot \sin (a)))}

Go Additive Constant or Stadia Constant

C = (f + D c)

Go Stadia Distance from Instrument Spindle to Rod

D s = R \cdot ((\frac{f}{R i}) + C)

How to Evaluate Stadia Interval?

Stadia Interval evaluator uses Stadia Interval = Revolution of Screw*Pitch Screw to evaluate the Stadia Interval, The Stadia Interval formula is defined as the distance on the rod between the apparent positions of the two stadia hairs. As you look at a stadia rod through a transit telescope, the stadia hairs seem to intercept an interval on the rod. Stadia Interval is denoted by S_i symbol.

How to evaluate Stadia Interval using this online evaluator? To use this online evaluator for Stadia Interval, enter Revolution of Screw (m) & Pitch Screw (P_screw) and hit the calculate button.

FAQs on Stadia Interval

What is the formula to find Stadia Interval?

The formula of Stadia Interval is expressed as Stadia Interval = Revolution of Screw*Pitch Screw. Here is an example- 15.5 = 3.1*5.

How to calculate Stadia Interval?

With Revolution of Screw (m) & Pitch Screw (P_screw) we can find Stadia Interval using the formula - Stadia Interval = Revolution of Screw*Pitch Screw.

Can the Stadia Interval be negative?

Yes, the Stadia Interval, measured in Length can be negative.

Which unit is used to measure Stadia Interval?

Stadia Interval is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Stadia Interval can be measured.

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