Best Gallon Liter Converter Apps

243+ iOS apps curated and reviewed

4.1 avg rating
15 free apps
Updated October 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 (October 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
3Gallons and LitersGallons and Liters$0.99—NoNoOct 2026
4Volume Converter L, Gal, OzVolume Converter L, Gal, Oz$1.994.5★ (19)NoNoSep 2026
5Converter: US-Metric UnitsConverter: US-Metric UnitsFree4.8★ (4)YesYesJul 2026
6US Unit ConverterUS Unit ConverterFree4.8★ (109)YesYesOct 2026
7ConverterConverterFree1.0★ (3)NoNoMay 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 — 15 of the top gallon liter converter apps we rank are free to download, including gallon liter converter and Converter: US-Metric Units.
gallon liter converter shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 243+ gallon liter converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.