29 converters in one free app — length, weight, volume, temperature, ring sizes, and more. Smart formatting, dark mode, effortless design.
Convert anything — 29 categories, one beautifully simple app.
Mila's Unit Converter PRO is the only unit converter you'll ever need. Whether you're a student, engineer, nurse, home cook, or just trying to figure out how many cups are in a gallon, it handles every conversion with precision and ease.
WHAT CUSTOMERS ARE SAYING
***** "Get it! Nothing better than this!"
***** "This is the best quick ref tool I have come across to date"
***** "Undoubtedly the best conversion app in the App Store."
***** "Best app for me so far."
***** "Intuitive interface. The app design is so easy you'll actually use it."
29 CONVERSION CATEGORIES
Cooking · Length · Weight · Volume · Temperature · Area · Pressure · Energy · Speed · Time · Power · Force · Frequency · Torque · Density · Angle · Fuel Economy · Flow Rate · Capacitance · Illuminance · Bits & Bytes · Blood Sugar · Dates · Fractions · Numbers · Slope · Shoes · Ring Sizes · Data Transfer Rates
COMPOUND UNITS
Work in real-world measurements like feet + inches, pounds + ounces, or gallons + quarts. Values auto-normalize — type 13 inches and see 1 foot 1 inch instantly.
DATE CALCULATOR
Find the exact number of days, weeks, months, and years between any two dates. Add or subtract time from a date with quick-action shortcuts like "90 Days from Today" or "End of Year."
FRACTIONS & NUMBERS
Convert between fractions, decimals, and percentages. Translate numbers into Roman numerals, binary, octal, and hexadecimal. Explore magnitudes from thousands to decillions.
HISTORICAL UNITS
Go beyond modern measurements with ancient Egyptian, Mesopotamian, Greek, Roman, and Biblical units of length.
FAVORITES
Star the categories and units you use most. Drag and drop to reorder. Your favorites appear right at the top, every time.
BUILT FOR PRECISION
Choose automatic smart formatting or set manual decimal precision from 0 to 10 places. Locale-aware number formatting respects your region's separators and conventions.
SMART CUSTOM KEYBOARDS
Purpose-built keyboards for every input type — numeric, whole number, Roman numeral, binary, octal, and hexadecimal — so you never have to fight autocorrect.
DESIGNED FOR YOU
• Dark mode with rich, category-specific color themes
• Comfortable or compact view styles
• Show or hide any unit in any category
• Quick-copy any value with a swipe
• Available on iPhone, iPad, and Mac
Transform everyday calculations with Mila's Tools, the ultimate all-in-one unit converter designed for precision, speed, and simplicity. Whether you're a student, engineer, chef, or traveler, effortlessly convert between hundreds of units across 29 essential categories. Say goodbye to complex formulas—get accurate results in seconds!
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Amazing learning tool!!
qcknckx
I’m teaching myself math, and when it came down to converting different units, this app is the best. I make this statement after having experienced many other converter apps, and I’ve tried a lot, I even bought a few. This one is my favorite, I epecially like the grouping feature of the app, you input a number in one measurement, and all the other “like” units show conversions. It’s great for learning, and very convenient, not only do the “like” measurements show output results, but they are grouped, making the it easier to identify the desired output measurement.
I like this app
senior archer
This app is very useful. I shoot archery and since I shoot various distances I want to be accurate at each distance (i.e. if I’m shooting 50 meters I need to know exactly how many yards that is and since my sight is set for yards I’ll use the pin closest to that distance, which would be my 60 yd. pin). it also aids me in getting the correct weight for my arrows which is critical as to how my arrows fly. Theres more to archery than just shooting an arrow, with this app I can “tune” my arrows to my bow. Thank you, I like this app!, p.s. I also have it on my iPhone.
Amazing
Cool Cat Creative
This thing is plain Amazing, with a Capital “A”!I’ve been using it for a while now, VERY helpful when a need for conversion arises, and VERY intuitive!I was a little “bummed out” at first, that I could only use it at my computer and not on the go - I ended up having to find something that would “come close”, for my phone - this thing was THAT good!BUT the Developer has since come out with iPhone version - and it’s the same level of Goodness! I immediately went and purchased it and deleted the other App (which was “OK”, but nothing like this one)!Developer seems to be the kind of guy who won’t spare thought and effort in improving a Product that - to me - is already PERFECT!Thank you very much!!
Developer Response
Thank you so much for the wonderful review! ❤️🫵🏼
excellent
talltree1008
Simple to use. I like how it does all the conversions in a group at once, and I like that you can search for the units you want.
• Blood Sugar now double-checks unusual readings — if you enter a value with a decimal the way it appears on your meter, the app asks whether you meant the alternate unit before converting or saving to your log
• Added traditional Japanese shakkanhō units for length (rin, bu, sun, shaku, jō, ken) and area (tsubo), using Meiji-era metric-fixed values
• Ring Size now includes UK letter sizes (A–Z with half sizes) alongside US, EU, Swiss, and other standards
• New contact form in Settings → About pre-fills your app and device info so support requests get answered faster
Version 2.8.28
The developer, Scott DeSapio, 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 Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
