OmniUnits: Unit Converter

Convert faster. Search less. Get more done.

OmniUnits is the unit converter that adapts to your workflow – not the other way around. Instead of endless lists and table-scrolling, you get structured, reusable conversion setups saved as presets and launched directly from your home screen via widgets.

WHY OMNIUNITS?

Custom Presets: Combine multiple units and categories into a single preset. Perfect for recurring tasks – whether 3D printing, lab measurements, or construction.

Build Your Own Formulas: The built-in formula editor handles complex expressions like lπpow(d/2;2)*ρ/1000. Define variables, choose units, and calculate instantly – no separate calculator needed.

Widget-First Approach: Configure widgets with your presets, favorite categories, or formulas. One tap from the home screen – and you’re right where you need to be.

35+ Unit Categories: From length, mass, and temperature to pressure, torque, and flow rate – all the way to magnetic fields, radioactivity, and currencies.

Professional Precision: Control decimal places, scientific notation, and rounding – exactly how you need it.

Conversion History: All calculations are saved and easy to look up.

Full VoiceOver Support: OmniUnits is completely accessible.

WHO IS OMNIUNITS FOR?

Engineers & technicians who work with different unit systems daily. Students & scientists who need quick formula evaluation. Construction workers who need on-site conversions. Anyone who needs a reliable, fast conversion tool in everyday life.

OmniUnits is free to use (limited amount of conversions per month). Unlock unlimited conversions, more presets, widgets, and formulas with OmniUnits Pro.

Download OmniUnits now and experience unit conversion the way it should be: fast, structured, to the point.