Conversion Formula:
From: | To: |
The cubic inches to gallons conversion is a standard volume conversion used primarily in the United States. It converts measurements from cubic inches (a smaller unit) to gallons (a larger unit) using a fixed conversion factor.
The calculator uses the conversion formula:
Where:
Explanation: There are exactly 231 cubic inches in one US liquid gallon. This conversion factor is standardized and widely accepted.
Details: Accurate volume conversion is essential in many fields including engineering, automotive, cooking, and any industry that deals with liquid measurements.
Tips: Enter the volume in cubic inches. The value must be positive. The calculator will automatically compute the equivalent volume in gallons.
Q1: Why is the conversion factor 231?
A: The US gallon was originally defined as 231 cubic inches by law in the 19th century, and this definition has been maintained ever since.
Q2: Is this the same for US and UK gallons?
A: No, this calculator uses US gallons. A UK (imperial) gallon equals 277.42 cubic inches.
Q3: What are common uses for this conversion?
A: Common uses include calculating engine displacement in gallons, liquid storage capacities, and converting between different measurement systems.
Q4: How precise is this conversion?
A: The conversion is mathematically exact since it's based on a defined standard.
Q5: Can I convert gallons back to cubic inches?
A: Yes, simply multiply gallons by 231 to get cubic inches.