Physics

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Shear Stress Calculator.

Calculate average shear stress from force and shear area.

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Set your values

Results update as you type.

02 / ANSWER

Shear force

Shear area

Shear stress

0.000000Pa

Results update automatically as you type.

Use Cases

Engineering design

Quickly estimate shear stress in mechanical components like bolts, pins, or glued joints to check if they can withstand applied loads.

Example: A bolt carrying 5000 N over a shear area of 0.0001 m² gives 50 MPa.

Educational practice

Use for physics or engineering homework to verify manual calculations of average shear stress from given force and area.

Example: Check a problem with 200 N force and 0.02 m² area.

Frequently Asked Questions

What is shear stress?: Shear stress is the force per unit area acting parallel to a surface. It is calculated by dividing the shear force by the shear area over which it acts.
How do I use this calculator?: Enter the shear force in newtons (N) and the shear area in square meters (m²). The calculator divides the force by the area to give the average shear stress in pascals (Pa).
What units does the result use?: The result is in pascals (Pa), which is newtons per square meter (N/m²). You can convert to kPa or MPa by dividing by 1000 or 1,000,000 respectively.

Tips & Common Mistakes

Tips

Ensure the shear area is the actual area resisting the shear, not the total surface area.
Use consistent units: newtons for force and square meters for area to get pascals.
For multiple shear planes, divide the force by the total shear area (sum of all planes).
Remember that this calculator gives average shear stress; actual stress may vary due to distribution.

Common Mistakes to Avoid

Using diameter instead of cross-sectional area for circular sections – area is πr².
Forgetting to convert units, e.g., using mm² without converting to m², leading to incorrect results.
Confusing shear stress with normal stress – shear acts parallel, normal acts perpendicular.

Last updated: August 13, 2026

Use Cases

Engineering design

Quickly estimate shear stress in mechanical components like bolts, pins, or glued joints to check if they can withstand applied loads.

Example: A bolt carrying 5000 N over a shear area of 0.0001 m² gives 50 MPa.

Educational practice

Use for physics or engineering homework to verify manual calculations of average shear stress from given force and area.

Example: Check a problem with 200 N force and 0.02 m² area.

Frequently Asked Questions

What is shear stress?

Shear stress is the force per unit area acting parallel to a surface. It is calculated by dividing the shear force by the shear area over which it acts.

How do I use this calculator?

Enter the shear force in newtons (N) and the shear area in square meters (m²). The calculator divides the force by the area to give the average shear stress in pascals (Pa).

What units does the result use?

The result is in pascals (Pa), which is newtons per square meter (N/m²). You can convert to kPa or MPa by dividing by 1000 or 1,000,000 respectively.

Tips & Common Mistakes

Tips

Ensure the shear area is the actual area resisting the shear, not the total surface area.
Use consistent units: newtons for force and square meters for area to get pascals.
For multiple shear planes, divide the force by the total shear area (sum of all planes).
Remember that this calculator gives average shear stress; actual stress may vary due to distribution.

Common Mistakes to Avoid

Using diameter instead of cross-sectional area for circular sections – area is πr².
Forgetting to convert units, e.g., using mm² without converting to m², leading to incorrect results.
Confusing shear stress with normal stress – shear acts parallel, normal acts perpendicular.

Use Cases

Engineering design

Quickly estimate shear stress in mechanical components like bolts, pins, or glued joints to check if they can withstand applied loads.

Example: A bolt carrying 5000 N over a shear area of 0.0001 m² gives 50 MPa.

Educational practice

Use for physics or engineering homework to verify manual calculations of average shear stress from given force and area.

Example: Check a problem with 200 N force and 0.02 m² area.

Frequently Asked Questions

What is shear stress?

Shear stress is the force per unit area acting parallel to a surface. It is calculated by dividing the shear force by the shear area over which it acts.

How do I use this calculator?

Enter the shear force in newtons (N) and the shear area in square meters (m²). The calculator divides the force by the area to give the average shear stress in pascals (Pa).

What units does the result use?

The result is in pascals (Pa), which is newtons per square meter (N/m²). You can convert to kPa or MPa by dividing by 1000 or 1,000,000 respectively.

Tips & Common Mistakes

Tips

Ensure the shear area is the actual area resisting the shear, not the total surface area.
Use consistent units: newtons for force and square meters for area to get pascals.
For multiple shear planes, divide the force by the total shear area (sum of all planes).
Remember that this calculator gives average shear stress; actual stress may vary due to distribution.

Common Mistakes to Avoid

Using diameter instead of cross-sectional area for circular sections – area is πr².
Forgetting to convert units, e.g., using mm² without converting to m², leading to incorrect results.
Confusing shear stress with normal stress – shear acts parallel, normal acts perpendicular.