Instantly convert between gaseous and liquid states, and perform various unit calculations for weight, area, length, and volume. Customize your display and locate Air Liquide offices worldwide.




236+ iOS apps curated and reviewed
With an average user rating of 4.3★, the easy gas converter category is one of the App Store's strongest. Browse all 236+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.8★ (10) | No | No | May 2026 | ||
| 2 | Free | 4.7★ (197) | No | No | Sep 2026 | ||
| 3 | Free | 5.0★ (9) | No | No | Jul 2026 | ||
| 4 | Free | 4.4★ (7) | No | No | May 2026 | ||
| 5 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 1.0★ (3) | No | No | May 2026 | ||
| 8 | Free | 4.9★ (897) | No | No | Sep 2026 |




Instantly convert between gaseous and liquid states, and perform various unit calculations for weight, area, length, and volume. Customize your display and locate Air Liquide offices worldwide.





Easily convert volumetric to weight-based units for 15 industrial gases. Get additional information like enthalpy and boiling points. Simple three-step process for quick calculations.

This utility converts weight and volume measurements for various industrial gases and liquefied natural gas. It accounts for each gas's unique properties, simplifying complex calculations for users on their iPhone or iPad.