✖Micrometer Reading is the reading of an instrument which can measure thickness of very small objects.ⓘ Micrometer Reading [M]			+10% -10%
✖Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created.ⓘ Pitch Diameter [D]			+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%

✖Wire Diameter is the diameter of the wire in thread measurements.ⓘ Diameter of Wire [G]

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Formula

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Diameter of Wire

Formula

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

Example

`"1.289287mm"=("8.2mm"-"7mm"+0.96049*"3mm")/3.16568`

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Diameter of Wire Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

Wire Diameter - (Measured in Meter) - Wire Diameter is the diameter of the wire in thread measurements.
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.
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

Micrometer Reading: 8.2 Millimeter --> 0.0082 Meter (Check conversion here)
Pitch Diameter: 7 Millimeter --> 0.007 Meter (Check conversion here)
Screw Pitch: 3 Millimeter --> 0.003 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G = (M-D+0.96049*P)/3.16568 --> (0.0082-0.007+0.96049*0.003)/3.16568

Evaluating ... ...

G = 0.00128928697783731

STEP 3: Convert Result to Output's Unit

0.00128928697783731 Meter -->1.28928697783731 Millimeter (Check conversion here)

FINAL ANSWER

1.28928697783731 ≈ 1.289287 Millimeter <-- Wire Diameter

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metrology » Thread Measurement » Three Wires System Method » Whitworth Thread » Diameter of Wire

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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

Diameter of Wire Formula

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

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 Diameter of Wire?

Diameter of Wire calculator uses Wire Diameter = (Micrometer Reading-Pitch Diameter+0.96049*Screw Pitch)/3.16568 to calculate the Wire Diameter, The Diameter of Wire formula is defined as the diameter of measuring wires used in the three-wire method. Wire Diameter is denoted by G symbol.

How to calculate Diameter of Wire using this online calculator? To use this online calculator for Diameter of Wire, enter Micrometer Reading (M), Pitch Diameter (D) & Screw Pitch (P) and hit the calculate button. Here is how the Diameter of Wire calculation can be explained with given input values -> 1289.287 = (0.0082-0.007+0.96049*0.003)/3.16568.

FAQ

What is Diameter of Wire?

The Diameter of Wire formula is defined as the diameter of measuring wires used in the three-wire method and is represented as G = (M-D+0.96049*P)/3.16568 or Wire Diameter = (Micrometer Reading-Pitch Diameter+0.96049*Screw Pitch)/3.16568. Micrometer Reading is the reading of an instrument which can measure thickness of very small objects, Pitch Diameter is the diameter of the basic cylindrical shape on which threads are created & 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 Diameter of Wire?

The Diameter of Wire formula is defined as the diameter of measuring wires used in the three-wire method is calculated using Wire Diameter = (Micrometer Reading-Pitch Diameter+0.96049*Screw Pitch)/3.16568. To calculate Diameter of Wire, you need Micrometer Reading (M), Pitch Diameter (D) & Screw Pitch (P). With our tool, you need to enter the respective value for Micrometer Reading, Pitch 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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