1. What is Acre-Foot to Gallons Conversion?

An acre-foot (ac-ft) is a unit of volume commonly used in the United States to measure large-scale water resources. One acre-foot is the volume of water that would cover one acre of land to a depth of one foot, equivalent to 325,851 gallons.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

Where:

• 1 acre-foot = 325,851 gallons (US)
• This conversion factor is exact by definition

Explanation: The calculation is straightforward multiplication since the conversion factor is a defined constant.

3. Importance of Water Volume Conversion

Details: Acre-feet are commonly used in water resource management, irrigation planning, and reservoir capacity measurements, while gallons are more familiar for practical applications.

4. Using the Calculator

Tips: Simply enter the acre-feet value you want to convert. The calculator will instantly provide the equivalent volume in gallons.

5. Frequently Asked Questions (FAQ)

Q1: How many gallons are in an acre-foot?
A: Exactly 325,851 gallons in one acre-foot.

Q2: Why use acre-feet instead of gallons?
A: Acre-feet provide a more manageable unit for large water volumes like reservoir storage or agricultural water rights.

Q3: Is this US gallons or imperial gallons?
A: This conversion uses US gallons (1 US gallon = 3.78541 liters). Imperial gallons are about 20% larger.

Q4: How big is an acre-foot visually?
A: Imagine a football field (about 1.32 acres) covered with water 9 inches deep - that's roughly one acre-foot.

Q5: What's the typical household use in acre-feet?
A: An average US family uses about 0.25 acre-feet (≈80,000 gallons) of water per year for indoor and outdoor use.