💧 Volume
acre-feet to US gallons Converter
Convert acre-feet to US gallons instantly with a reference conversion table.
Quick answer: To convert acre-feet to US gallons, multiply by 325851.42. For example, 1 acre-feet = 325851.42 US gallons. Use the calculator below for any value.
acre-feet to US gallons
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Common conversions
| acre-feet | US gallons |
|---|
Formula:
How to convert acre-feet to US gallons
1
Enter your value
Type the number of acre-feet you want to convert into the left box. The result in us gallons appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — US gallons to acre-feet. Your current value carries across so you don't have to re-enter anything.
3
About acre-feet and US gallons
acre-feet and US gallons are common volume measurements.
📊 Common conversions at a glance
| acre-feet | US gallons |
|---|---|
| 1e-05 | 3.259 |
| 0.001 | 325.9 |
| 0.01 | 3259 |
| 0.1 | 3.259e+04 |
| 1 | 3.259e+05 |
| 5 | 1.629e+06 |
Reviewed for 2026. acre-feet ↔ US gallons conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.