Cylinder Capacity Calculator

Engine Displacement Formula:

\[ Displacement = \pi \times (Bore/2)^2 \times Stroke \times Number\ of\ Cylinders \]

Engine Displacement:

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1. What is Engine Displacement?

Engine displacement refers to the total volume of all the cylinders in an internal combustion engine. It is a key specification that indicates the engine's size and potential power output, typically measured in cubic centimeters (cc) or liters (L).

2. How Does the Calculator Work?

The calculator uses the engine displacement formula:

\[ Displacement = \pi \times (Bore/2)^2 \times Stroke \times Number\ of\ Cylinders \]

Where:

\( Bore \) — Diameter of each cylinder (mm)
\( Stroke \) — Distance the piston travels (mm)
\( Number\ of\ Cylinders \) — Total cylinders in the engine
\( \pi \) — Mathematical constant (approximately 3.14159)

Explanation: The formula calculates the volume of a single cylinder (πr²h) and multiplies it by the number of cylinders to get total engine displacement.

3. Importance of Engine Displacement

Details: Engine displacement is a critical factor in determining an engine's power output, fuel consumption, and emissions. Larger displacement engines typically produce more power but may consume more fuel.

4. Using the Calculator

Tips: Enter bore and stroke measurements in millimeters, and the number of cylinders. All values must be positive numbers. The calculator provides results in both cubic centimeters and liters.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between cc and liters?
A: 1 liter = 1000 cubic centimeters. Engine displacement is often expressed in both units for clarity.

Q2: How does displacement relate to engine power?
A: Generally, larger displacement engines can produce more power, but efficiency, technology, and design also play significant roles.

Q3: What are typical displacement values for different vehicles?
A: Motorcycles: 125-1800cc, Cars: 1.0-6.0L, Trucks: 2.0-15.0L+ (varies by vehicle type and purpose).

Q4: Can I calculate displacement if I have different units?
A: Yes, but you must convert all measurements to consistent units (preferably millimeters) before calculation.

Q5: Does displacement affect fuel economy?
A: Generally, larger displacement engines consume more fuel, but modern engine technologies can improve efficiency regardless of size.