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




248+ iOS apps curated and reviewed
Finding the right gallon liter converter apps can be overwhelming with so many options. We've analyzed 248+ 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 | — | No | No | Sep 2026 | ||
| 4 | $0.99 | — | No | No | Aug 2026 | ||
| 5 | $1.99 | 4.5★ (19) | No | No | Aug 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 4.8★ (4) | Yes | Yes | Jul 2026 | ||
| 8 | $1.99 | — | Yes | No | Jun 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.




