Best Gallon Liter Converter Apps

243+ iOS apps curated and reviewed

4.3 avg rating
14 free apps
Updated September 2026

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.

Compare top Gallon Liter Converter Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1gallon liter convertergallon liter converterFree—YesNoMay 2026
2US Gallons To Liters – Liquid Volume Converter (gal to L)US Gallons To Liters – Liquid Volume Converter (gal to L)$0.994.4★ (7)NoNoAug 2026
3Volume Converter L, Gal, OzVolume Converter L, Gal, Oz$1.994.5★ (19)NoNoSep 2026
4US Unit ConverterUS Unit ConverterFree4.8★ (108)YesYesSep 2026
5Mila's Volume ConverterMila's Volume ConverterFree4.8★ (106)YesYesSep 2026
6Gallons and LitersGallons and Liters$0.99—NoNoSep 2026
7Units Plus ConverterUnits Plus Converter$19.994.9★ (8.4K)NoNoSep 2026
8Volume Units ConverterVolume Units Converter$1.995.0★ (1)NoNoSep 2026

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FAQ about Gallon Liter Converter

Are there free gallon liter converter apps for iPhone?
Yes — 14 of the top gallon liter converter apps we rank are free to download, including gallon liter converter and US Unit Converter.
gallon liter converter shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 243+ gallon liter converter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.