XMetric: Unit Converter
Engineering & Cooking Calc
Free · Designed for iPad. Not verified for macOS.
Convert psi to kPa, cups to mL, amps to watts and more. 100+ units, a scientific calculator, and engineering solvers. Works offline, no account, no tracking.
Convert anything, fast. XMetric is a free, offline unit converter and scientific calculator built for engineers, electricians, machinists, students and home cooks.
WHO IT'S FOR
- Electrical: volts, amps, ohms, watts, capacitance, inductance, frequency
- Mechanical: pressure (psi, kPa, bar), torque, force, flow rate, energy
- Civil and structural: stress, distributed load, density, length, area
- Kitchen: teaspoons, tablespoons, cups, pints, quarts and fluid ounces, with separate US, UK, AU and metric versions so recipes convert correctly
FEATURES
- 100+ units across 20+ categories, grouped by discipline
- Scientific calculator: parentheses, order of operations, trig (degrees or radians) and inverse trig, logs, powers, roots, factorial, scientific notation, pi, e and a live result preview
- Favorites: pin your everyday conversions for one-tap access
- Home screen widget with your favorite conversions
- "All Units" view shows your value in every unit at once
- Search by name or symbol: "psi", "volt", "tbsp"
- Engineering solvers: Ohm's Law, voltage drop, series and parallel resistors, capacitor charge and energy, stress and strain, kinetic and potential energy, flow rate, simply supported beam
- Works completely offline. No account. No tracking. Ads are non-personalized.
On the job site, in the field, at a desk or in the kitchen, XMetric gives you the answer in seconds.
Results are for reference only and are not certified engineering values.
Ratings & Reviews
- New cooking units: teaspoon, tablespoon, fluid ounce, cup, pint and quart (US), metric cup, plus UK teaspoon and tablespoon and Australian tablespoon
- New nanosecond and microsecond time units and an Inductance category
- Optional rating request after you have used the app a few times
- Fixes for calculator edge cases (e next to functions, chained squares and reciprocals), European number formats, and Fahrenheit rounding
The developer, Harry Huynh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Harry Huynh
- Size
- 7 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Harry Huynh