Home Back

Calculate Oil Tank Volume Gallons

Oil Tank Volume Formulas:

\[ V_{gal} = \frac{L \times W \times H}{231} \text{ (rectangular)} \] \[ V_{gal} = \frac{\pi \times r^2 \times h}{231} \text{ (cylindrical)} \]

inches
inches
inches

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is an Oil Tank Volume Calculator?

Definition: This calculator estimates the volume of oil a tank can hold in gallons based on its dimensions and shape (rectangular or cylindrical).

Purpose: It helps homeowners, engineers, and technicians determine the capacity of oil storage tanks for proper sizing and inventory management.

2. How Does the Calculator Work?

The calculator uses one of two formulas depending on tank shape:

\[ V_{gal} = \frac{L \times W \times H}{231} \text{ (rectangular)} \] \[ V_{gal} = \frac{\pi \times r^2 \times h}{231} \text{ (cylindrical)} \]

Where:

Explanation: The calculator first computes the tank's volume in cubic inches, then converts it to gallons by dividing by 231.

3. Importance of Oil Tank Volume Calculation

Details: Accurate volume calculations ensure proper fuel storage capacity planning, inventory control, and regulatory compliance for oil tanks.

4. Using the Calculator

Tips:

  1. Select tank shape (rectangular or cylindrical)
  2. Enter all required dimensions in inches
  3. All values must be positive numbers

5. Frequently Asked Questions (FAQ)

Q1: Why divide by 231?
A: There are exactly 231 cubic inches in one US liquid gallon, which is the standard conversion factor.

Q2: How do I measure my tank dimensions?
A: For rectangular tanks, measure inside length, width, and height. For cylindrical tanks, measure inside diameter (divide by 2 for radius) and height.

Q3: Does this account for tank thickness?
A: No, this calculates internal volume. For precise capacity, measure internal dimensions or subtract wall thickness.

Q4: What about oval or other shaped tanks?
A: This calculator handles only rectangular and cylindrical shapes. Other shapes require different formulas.

Q5: How accurate is this calculation?
A: It provides theoretical maximum capacity. Actual usable volume may be less due to tank design, internal components, or safe fill levels.

Oil Tank Volume Calculator© - All Rights Reserved 2025