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Conversion First
Tap a converted unit to make it the input, reorder units, and keep frequently used categories close.
Offline technical conversion tool
Unit conversion and calculator work, all in one.
CalibraUnits is built for instrument technicians, workshops, hangars, laboratories, engineering tasks, and fast everyday measurement work.
1.0.0
Current version
Offline
No account required
Native
Built for iPhone
Designed for fast, precise field work.
The app keeps conversions, calculator work, history, and unit management close together without requiring a network connection.
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Simple and Scientific Calculator
Switch between compact calculator entry and a full scientific keypad with mathematical notation.
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Cleaner Electrical Tools
Electrical units are grouped into voltage, current, resistance, capacitance, inductance, charge, frequency, and power.
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Manage Units
Enable, disable, and reorder units so each category matches the way you work.
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History
Review recent conversions and calculator results when you need to double-check work.
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Private by Design
CalibraUnits works on device and does not use accounts, analytics, advertising, or tracking SDKs.