✖Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.ⓘ Pitch Diameter [D]			+10% -10%
✖Wire Diameter is the diameter of the wire in thread measurements.ⓘ Wire Diameter [G]			+10% -10%
✖Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.ⓘ Screw Pitch [P]			+10% -10%

✖Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.ⓘ Micrometer Reading per Measurement Whitworth [M]

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Formula

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Micrometer Reading per Measurement Whitworth

Formula

`"M" = "D"+3.16568*"G"-0.96049*"P"`

Example

`"7.917346mm"="7mm"+3.16568*"1.2mm"-0.96049*"3mm"`

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Micrometer Reading per Measurement Whitworth Solution

STEP 0: Pre-Calculation Summary

Formula Used

Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch
M = D+3.16568*G-0.96049*P
This formula uses 4 Variables

Variables Used

Micrometer Reading - (Measured in Meter) - Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.
Pitch Diameter - (Measured in Meter) - Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.
Wire Diameter - (Measured in Meter) - Wire Diameter is the diameter of the wire in thread measurements.
Screw Pitch - (Measured in Meter) - Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.

STEP 1: Convert Input(s) to Base Unit

Pitch Diameter: 7 Millimeter --> 0.007 Meter (Check conversion here)
Wire Diameter: 1.2 Millimeter --> 0.0012 Meter (Check conversion here)
Screw Pitch: 3 Millimeter --> 0.003 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M = D+3.16568*G-0.96049*P --> 0.007+3.16568*0.0012-0.96049*0.003

Evaluating ... ...

M = 0.007917346

STEP 3: Convert Result to Output's Unit

0.007917346 Meter -->7.917346 Millimeter (Check conversion here)

FINAL ANSWER

7.917346 Millimeter <-- Micrometer Reading

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metrology » Thread Measurement » Three Wires System Method » Whitworth Thread » Micrometer Reading per Measurement Whitworth

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< 4 Whitworth Thread Calculators

pitch of screw threads whitworth

Go Screw Pitch = (Pitch Diameter-Micrometer Reading+3.16568*Wire Diameter)/0.96049

Diameter of Wire

Go Wire Diameter = (Micrometer Reading-Pitch Diameter+0.96049*Screw Pitch)/3.16568

Micrometer Reading per Measurement Whitworth

Go Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch

Pitch diameter whitworth

Go Pitch Diameter = Micrometer Reading-3.16568*Wire Diameter+0.96049*Screw Pitch

Micrometer Reading per Measurement Whitworth Formula

Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch
M = D+3.16568*G-0.96049*P

What is the use of Three wire method ?

The accurate measurement of thread pitch diameter, which may be perfect as to form and lead, presents certain difficulties which result in some uncertainty as to its true value. The adoption of a standard uniform practice in making such measurements is, therefore, desirable in order to reduce such uncertainty of measurement to a minimum. The “three-wire method” of measuring thread pitch diameter, has been found to be the most generally satisfactory method when properly carried out, and is recommended for universal use in the direct measurement of thread plug and thread setting plug gauges.

How to Calculate Micrometer Reading per Measurement Whitworth?

Micrometer Reading per Measurement Whitworth calculator uses Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch to calculate the Micrometer Reading, Micrometer Reading per Measurement Whitworth is the reading of an instrument which can measure thickness of very small objects. Micrometer Reading is denoted by M symbol.

How to calculate Micrometer Reading per Measurement Whitworth using this online calculator? To use this online calculator for Micrometer Reading per Measurement Whitworth, enter Pitch Diameter (D), Wire Diameter (G) & Screw Pitch (P) and hit the calculate button. Here is how the Micrometer Reading per Measurement Whitworth calculation can be explained with given input values -> 7917.346 = 0.007+3.16568*0.0012-0.96049*0.003.

FAQ

What is Micrometer Reading per Measurement Whitworth?

Micrometer Reading per Measurement Whitworth is the reading of an instrument which can measure thickness of very small objects and is represented as M = D+3.16568*G-0.96049*P or Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch. Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created, Wire Diameter is the diameter of the wire in thread measurements & Screw Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch.

How to calculate Micrometer Reading per Measurement Whitworth?

Micrometer Reading per Measurement Whitworth is the reading of an instrument which can measure thickness of very small objects is calculated using Micrometer Reading = Pitch Diameter+3.16568*Wire Diameter-0.96049*Screw Pitch. To calculate Micrometer Reading per Measurement Whitworth, you need Pitch Diameter (D), Wire Diameter (G) & Screw Pitch (P). With our tool, you need to enter the respective value for Pitch Diameter, Wire Diameter & Screw Pitch and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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