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Convert Cubic Feet to US Gallons

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Measurement

Volume Converter
10 sig. figures
Formula1 ft³ × 7.480519481 = 7.480519481 US gal

About Volume Conversions

Volume trips people up because US customary and imperial units share names but not sizes. A US gallon (3.785 liters) runs about 17% smaller than an imperial gallon (4.546 liters), and the gap carries down into pints, quarts, and fluid ounces. Cooking is where it bites: a British recipe's pint of milk is 568 ml, an American pint only 473 ml. Science sidesteps the mess with metric volume, where 1 mL equals exactly 1 cm³. US and imperial variants stay separate below, with exact conversion chains holding precision across the swap.

Quick Conversions

Cubic FeetUS Gallons
1 ft³7.48052 US gal
2 ft³14.961 US gal
5 ft³37.4026 US gal
10 ft³74.8052 US gal
25 ft³187.013 US gal
50 ft³374.026 US gal
100 ft³748.052 US gal
250 ft³1870.13 US gal
500 ft³3740.26 US gal
1000 ft³7480.52 US gal
Unit NameSymbolPer 1 Cubic Foot
Cubic Centimetercm³28316.8
Cubic Footft³1
Cubic Inchin³1728
Cubic Meter0.0283168
Imperial Fluid Ounceimp fl oz996.614
Imperial Gallonimp gal6.22884
Imperial Pintimp pt49.8307
LiterL28.3168
MillilitermL28316.8
US CupUS cup119.688
US Fluid OunceUS fl oz957.506
US GallonUS gal7.48052
US PintUS pt59.8442
US QuartUS qt29.9221
US TablespoonUS tbsp1915.01
US TeaspoonUS tsp5745.04

Frequently Asked Questions

How do I convert Cubic Feet to US Gallons?

To convert Cubic Feet to US Gallons, use the conversion where 1 Cubic Foot (ft³) = 7.48052 US Gallons (US gal). For example, 1 Cubic Foot = 7.48052 US Gallons.

What are common Cubic Foot to US Gallon conversions?

Here are common conversions: 1 Cubic Feet = 7.48052 US Gallons, 5 Cubic Feet = 37.4026 US Gallons, 10 Cubic Feet = 74.8052 US Gallons, 25 Cubic Feet = 187.013 US Gallons, 50 Cubic Feet = 374.026 US Gallons, 100 Cubic Feet = 748.052 US Gallons.

When would I need to convert Cubic Feet to US Gallons?

Volume conversions come up when scaling recipes between metric (milliliters, liters) and US customary units (cups, fluid ounces), calculating fuel tank capacities across regions, and in chemistry and manufacturing where a precise liquid measurement decides the outcome.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

Sources

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