Cubic Inches To Gallons Converter
Convert volume from cubic inches (in³) to US gallons. A useful tool for engine displacement calculations and other small-scale volume conversions.
Bookmark this Calculator!
A Guide to Cubic Inches to Gallons Conversion
What is a Cubic Inches to Gallons Conversion?
A Cubic Inches to Gallons Converter is a tool for translating a measurement of volume from cubic inches (in³), a unit derived from imperial length, to US gallons, a standard unit for liquid capacity. This conversion is particularly important in automotive engineering (for engine displacement), fluid dynamics, and for calculating the capacity of small containers.
How to Use the Cubic Inches to Gallons Converter
Our converter is straightforward and offers instant, two-way conversions.
- Enter a value: Input a number into either the "Cubic Inches (in³)" or "US Gallons" field.
- View the result: The other field will automatically update with the converted value.
- Swap units: Click the swap button () to reverse the conversion direction.
The Conversion Formula
The conversion is based on the standard definition of a US gallon:
$$ 1 \text{ US gallon} = 231 \text{ cubic inches} $$
The formulas are:
$$ \text{US Gallons} = \frac{\text{Cubic Inches}}{231} $$
$$ \text{Cubic Inches} = \text{US Gallons} \times 231 $$
Practical Example: Engine Displacement
A classic American car has an engine with a displacement of 350 cubic inches. To compare this to modern engines often described in liters or gallons, you can first convert it to gallons.
- Known Value: 350 in³
- Calculation: Gallons = 350 / 231 ≈ 1.515 gallons
- Using the calculator: Entering "350" in the in³ field instantly shows approximately 1.515 in the gallons field.
This helps in understanding the scale of engine sizes across different notation systems. For other volume conversions, you can use our general Volume Converter. To convert to a larger imperial volume unit, you can use the Cubic Feet to Gallons Converter. For metric conversions, the Liters to Gallons Calculator is a great tool.
Why This Conversion Matters
- Automotive: Engine displacement is a key performance metric, and this conversion helps compare engines specified in different units.
- Engineering: It is used in designing small tanks, hydraulic reservoirs, and other fluid containers.
- Manufacturing: It helps in calculating the capacity and fill volumes for various products.
For more detailed information on US customary units, you can visit the National Institute of Standards and Technology (NIST). For automotive history and specifications, resources like the Hagerty Media site often discuss classic engine sizes.
Similar Calculators
Convert land area between acres and hectares, two common units for measuring large plots of land.
A comprehensive tool to convert angles between various units, including degrees, radians, gradians, and revolutions.
Convert very small length units between Angstroms (Å) and nanometers (nm), often used in chemistry and physics.
Convert between common units of area such as square feet, square meters, and acres.
Explore Other Calculators
Quickly calculate the date that is 100 days from a starting date. Perfect for tracking 100-day challenges or project milestones.
Estimate your self-employment taxes as a freelancer or independent contractor. Helps you plan for quarterly tax payments and avoid surprises.
Find the date that is 120 days from any given start date. Useful for planning timelines, loan terms, and long-term projects.
Calculate the date that is 180 days (about six months) from a specific start date. Ideal for setting semi-annual goals or deadlines.
A simple tool to find the date that is exactly 30 days from a given start date. Commonly used for trial periods and monthly planning.
Quickly add or subtract 30 minutes from any given time. A handy tool for scheduling meetings, breaks, or appointments.
Project the growth of your 401(k) retirement savings over time. See how contributions, employer match, and investment returns can impact your nest egg.
Find the date that is 45 days from a specific start date. Useful for tracking mid-quarter deadlines and other short-term goals.