Easily convert liquid volumes between US gallons and liters. This utility allows you to select your preferred number of decimal places for precise conversions.




243+ iOS apps curated and reviewed
Finding the right gallon liter converter apps can be overwhelming with so many options. We've analyzed 243+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | No | May 2026 | ||
| 2 | $0.99 | 4.4★ (7) | No | No | Aug 2026 | ||
| 3 | $1.99 | 4.5★ (19) | No | No | Sep 2026 | ||
| 4 | Free | 4.8★ (108) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.8★ (106) | Yes | Yes | Sep 2026 | ||
| 6 | $0.99 | — | No | No | Sep 2026 | ||
| 7 | $19.99 | 4.9★ (8.4K) | No | No | Sep 2026 | ||
| 8 | $1.99 | 5.0★ (1) | No | No | Sep 2026 |






Easily convert liquid volumes between US gallons and liters. This utility allows you to select your preferred number of decimal places for precise conversions.



Easily convert between various volume units including liters, milliliters, gallons, quarts, and fluid ounces. This tool is designed for quick and accurate conversions for everyday use.