Convert Cubic Feet to Gallons | Accurate ft³ ⇄ gal Converter

Convert between cubic feet (ft³) and gallons (gal) with precision using standard volume measurements

Cubic Feet to Gallons Converter Tool
Enter a value to convert between cubic feet and gallons with bidirectional conversion (1 cubic foot = 7.48052 gallons)
Note: This converter uses standard conversion (1 cubic foot = 7.48052 gallons). Perfect for volume calculations, tank capacity, swimming pool measurements, and liquid storage conversions.

Need a simple way to convert cubic feet to gallons or the reverse? Our ft³ ⇄ gal converter gives you accurate results instantly. Whether you are calculating water storage, pool volume, or tank capacity, this tool saves time and avoids manual mistakes.

Why Users Love This Cubic Feet ⇄ Gallons Converter

  • Exact in design: Based on the correct conversion formula.
  • Instant answers: Results update as you type.
  • Clear display: Shows both exact and rounded values.
  • Two-way switch: Easily switch between cubic feet to gallons and convert gallons to cubic feet.
  • Works anywhere: Mobile and desktop friendly.

How to Use the Converter

  1. Enter the value.
  2. Choose direction: cubic feet to gallons or gallons to cubic feet.
  3. Get instant results.
  4. Copy, save, or share the conversion.

What is a Cubic Foot (ft³)?

cubic foot is a unit of volume in the imperial and US customary systems. It measures the space taken by a cube that is 1 foot on each side.

Key Facts About Cubic Feet

  • Exact value: 1 ft³ = 1728 cubic inches.
  • Relationship: Often used for solid volume or storage capacity.
  • Abbreviation: ft³ or cu ft.
  • Usage: Common in construction, storage, shipping, and HVAC systems.

What is a Gallon (gal)?

gallon is a unit of liquid capacity. There are two main types:

  • US liquid gallon: 1 gallon = 3.785 liters.
  • Imperial gallon (UK): 1 gallon = 4.546 liters.

Key Facts About Gallons

  • Relationship: 1 US gallon = 231 cubic inches.
  • Abbreviation: gal.
  • Usage: Widely used for measuring fuel, water, and beverages.

Cubic Feet to Gallons Conversion Formula

Formula:

US Gallons = Cubic Feet × 7.48052

Cubic Feet to Gallons Conversion Example

1 cubic foot to gallons

Step 1: Formula = gal = ft³ × 7.48052

Step 2: Substitute = 1 × 7.48052

Step 3: Result = 7.48 gallons

10 cubic feet to gallons

Step 1: gal = ft³ × 7.48052

Step 2: Substitute = 10 × 7.48052

Step 3: Result = 74.81 gallons
 

50 cubic feet to gallons

Step 1: gal = ft³ × 7.48052

Step 2: Substitute = 50 × 7.48052

Step 3: Result = 374.03 gallons

Convert Gallons to Cubic Feet Formula

Formula:

Cubic Feet = Gallons ÷ 7.48052

Convert Gallons to Cubic Feet Examples

10 gallons to cubic feet

Step 1: Formula = ft³ = gal ÷ 7.48052

Step 2: Substitute = 10 ÷ 7.48052

Step 3: Result = 1.34 ft³

100 gallons to cubic feet

Step 1: ft³ = gal ÷ 7.48052

Step 2: Substitute = 100 ÷ 7.48052

Step 3: Result = 13.37 ft³

500 gallons to cubic feet

Step 1: ft³ = gal ÷ 7.48052

Step 2: Substitute = 500 ÷ 7.48052

Step 3: Result = 66.84 ft³

Quick Reference Table for Cubic Feet ⇄ Gallons

Cubic Feet (ft³)

Gallons (US)

1 ft³

7.48 gal

5 ft³

37.40 gal

10 ft³

74.81 gal

20 ft³

149.62 gal

50 ft³

374.03 gal

Gallons (US)

Cubic Feet (ft³)

10 gal

1.34 ft³

50 gal

6.68 ft³

100 gal

13.37 ft³

250 gal

33.42 ft³

500 gal

66.84 ft³

Applications of Cubic Feet to Gallons Conversion

  • Water Storage: Calculating tank, pool, or container capacity.
  • Agriculture: Converting irrigation system volumes between cubic feet and gallons.
  • Construction: Measuring liquid volume for concrete or chemical mixtures.
  • Fuel Industry: Converting gallons of fuel into cubic feet for storage planning.
  • Science and Education: Teaching unit conversion in physics and chemistry classes.

Use our cubic feet ⇄ gallons converter at Digital Calculator for fast and accurate results. Perfect for water tanks, pools, agriculture, and science projects.

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Frequently Asked Questions

Published: 9/23/2025