Units Free app for iPhone and iPad

4.8 ( 9088 ratings )

Utilities Reference
Developer: Piet Jonas

Free

Current version: 1.6.0, last update: 7 years ago
First release : 24 Mar 2012
App size: 2.53 Mb

Convert between many units from several categories and different unit systems (metric, imperial, ...).

Features:
- categories: length, temperature, capacity, weight, energy, power, pressure, area
- access previous conversions from the history list
- categories have different colors (in the history as well)
- flip units
- send calculations by email
- support for the iPhone 6 and 6+
- support for the iPad multitasking (split view..)

(Free version: requires upgrade to arbitrarily switch categories)