The unit converter feature from our popular aio Calculator is now available as a standalone app. Always free and without ads.

It's an easy to use and modern converter with a unique combination of features which include:
• Available on all iPad, iPhone and iPod devices
• Sidebar and Tab bar for easier navigation and sharing of data
• Multiple Windows
• Stage Manager
• Drag and Drop from the Sidebar to the edge of the screen to create new windows
• Context Menus
• Quick Start Guide
• Light and Dark appearance
• Multitasking
• Full support for drag and drop
• Quick Notes
• Capture text
• Keyboard shortcuts
• Pointer interaction
• Two finger swipe for quick editing in Unit Converter and History
• Slider for precision control
• Undo and redo
• HomeScreen icon for quick actions
• Spotlight search
• Accessibility features like VoiceOver and Dynamic Type (larger text)
• Allows you to share results; including using AirDrop
• Takes advantage of the larger display in iPad
• Settings to customize the app
• Conversions saved and restored for all measurements
• Quick Convert feature

Has close to 500 units in the following 37 measurements:
• Area
• Acceleration
• Angle
• Computer Data Storage
• Computer Data Rate
• Currency
• Density
• Energy
• Electric Vehicle Efficiency
• Electrical Current
• Electrical Voltage
• Electrical Charge
• Electrical Resistance
• Electrical Inductance
• FlowRate-Liquid
• FlowRate-Dry
• Force
• Frequency
• Fuel Economy
• Illumination
• Ladies Shoe Size
• Length
• Luminance
• Mens Shoe Size
• Magnetic Field Strength
• Magnetic Flux
• Magnetic Flux Density
• Magnetomotive Force
• Mass / Weight
• Power
• Pressure
• Speed / Velocity
• Temperature
• Time
• Torque
• Volume - Liquid Capacity
• Volume - Dry Capacity

Date calculators
• Calculate the difference between two dates
• Add (or subtracting) from a given date

Tank Capacity
• Horizontal Cylinder
• Vertical Cylinder
• Rectangular
• Horizontal Oval
• Vertical Oval
• Horizontal Capsule
• Vertical Capsule
• Sphere

Info feature
• Detailed description of the app available in all features
• Table of contents and search allow you to find topics of interest

Email requests to have more measurements or units added.

Future updates will continue to add more features.

Enjoy our app that, as always, is free and without ads!