Piston Displacement Calculator

Displacement (L):

Displacement (km³):

Displacement (in³):

Displacement (ft³):

Displacement (yd³):

Displacement (mi³):

1. What is Piston Displacement?

Definition: Piston displacement is the volume swept by the piston in a cylinder, calculated using the formula:

\[ V = \frac{\pi}{4} \times B^2 \times S \]

Variables:

\( V \): Displacement volume (e.g., in³, cm³, L).
\( B \): Bore (diameter of the cylinder, in inches).
\( S \): Stroke (length of piston travel, in inches).

Explanation: This formula calculates the volume displaced by the piston as it moves from bottom dead center to top dead center.

2. Importance of Piston Displacement Calculation

Details: This calculation is crucial for engine design, determining engine capacity, and optimizing performance in internal combustion engines.

3. Using the Calculator

Tips: Enter the bore and stroke values with their respective units. Click "Calculate" to get the displacement in multiple units.

Frequently Asked Questions (FAQ)

Q1: What is bore?
A: Bore is the diameter of the cylinder in an engine.

Q2: What is stroke?
A: Stroke is the distance the piston travels within the cylinder.

Q3: Why calculate piston displacement?
A: It helps determine the engine’s capacity, which affects power output and efficiency.

Q4: Can I use different units?
A: Yes, the calculator supports inches, centimeters, and millimeters, converting all inputs to inches for calculation.

Q5: How accurate is this calculator?
A: The calculator is accurate based on the formula and input values, though real-world factors like cylinder wear may affect actual displacement.

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