Unit Eater
Tom Leon Schmidt Utilities iPhoneiPadiPod touchMac
Unit Eater is a free Utilities app for iPhone and iPad by Tom Leon Schmidt. Requires iOS 12.0. Updated November 21, 2025.
- Price
- Free
- on the App Store
- Size
- 65 MB
- Age 4+
- Updated
- Nov 21
- 2025 · v1.0.8
Screenshots
About Unit Eater
Unique calculator that not only converts units, but can also perform calculations with them. Perfect for school, university, work, or personal use! For math, physics, chemistry, biology, engineering, or any other natural sciences! - Standard calculator functions usable with or without units - Target unit freely definable - Define your own units if you need them - History of recent calculations - Quick transfer of parts or entire calculations from history - ANS function to dynamically use the last result - Customizable result format - Quick search - Quick access to important functions like square or cube - Undo and redo of last steps - Dark mode Boost your productivity, focus on the essentials, and leave conversion errors in the past! Supports many units, prefixes, and constants: * Prefixes: kilo, mega, giga, tera, centi, milli, micro, nano, … * Constants: mass of proton, neutron, electron, Avogadro's constant, electric field constant, gas constant, Planck's constant, … * Angles: radian, degree, degree-minute, degree-second, gradian, turn, steradian, … * Length: meter, mile, inch, foot, yard, nautical mile, chain, furlong, cable length, rod, … * Area: square meter, hectare, acre, are, square kilometer, square inch, square foot, square yard, … * Volume: liter, cubic meter, fluid ounce, gallon, gill, pint, quart, barrel, tablespoon, teaspoon, … * Mass: gram, ton, ounce, pound, carat, grain, … * Time: second, minute, hour, day, year, … * Speed: meter per second, kilometer per hour, miles per hour, knot, speed of light, … * Acceleration: gravitational acceleration, meter per second squared, … * Energy: joule, kilocalorie, erg, watt-hour, electronvolt, … * Power: watt, horsepower, … * Force: Newton, pond, kilopond, tf, ozf, lbf, … * Torque: Newton meter, ozfin, ozfft, lbf*in, … * Frequency: Hertz, revolutions per minute, … * Pressure: pascal, bar, atm, at, Torr, mmHg, osi, ose, psi, psf, … * Viscosity: Poise, Stokes, … * Density: gram per cubic centimeter, kg per cubic meter, … * Radiation: Becquerel, Curie, Rutherford, Roentgen, Gray, Sievert, rem, … * Light: candela, lumen, lux * Electricity: volt, ampere, ohm, coulomb, elementary charge, farad, siemens, … * Magnetism: Weber, Tesla, Henry, … Is your desired unit not listed? You can define any additional units! Privacy Policy: https://www.iubenda.com/privacy-policy/22446614 Terms and Conditions: https://www.iubenda.com/terms-and-conditions/22446614
What’s new
Version 1.0.8 · Updated November 21, 2025
- Added engineering format for results - Minor improvements and bug fixes
App privacy
The developer, Tom Leon Schmidt, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
Used for: Analytics, App Functionality
Alternatives to Unit Eater
Looking for apps like Unit Eater? Here are 6 similar apps on the App Store. The highest rated is ExSciCalc (5.0/5), and 4 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Unit Eater | – | Free | November 21, 2025 | |
| ExSciCalc | 5.0 / 5 (1) | 1.99 USD | Nov 28, 2023 | Compare |
| Barksdale Connect | – | Free | Sep 2, 2026 | Compare |
| Universal Converter. | 4.3 / 5 (12) | 4.99 USD | May 24, 2024 | Compare |
| Multinomial | – | Free | May 7, 2026 | Compare |
| GUTCalc Physics Unit Converter | 5.0 / 5 (6) | Free | Mar 26, 2024 | Compare |
| Calculator T | – | Free | Dec 13, 2023 | Compare |
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