Mila's Tools: Unit Converter
What’s New
Version 2.7.10 · 2026-05-01
• Ring Size Converter — new category with 8 units including US, EU, Swiss, Japanese, Chinese, Hong Kong, plus inner diameter and circumference in mm
• Share the app anytime — tap Share even with nothing entered to send friends an invite and App Store link
• New fuel units — added Wh/mi, Wh/km, km/kWh, and gal/100mi for EV and combustion efficiency
• Calculate by dimensions — enter length × width for area, or length × width × depth for volume, with Imperial (ft + in) and Metric (m + cm) support
• 10 new languages — Danish, German, French, Italian, Japanese, Korean, Brazilian Portuguese, Russian, Vietnamese, and Chinese (Simplified)
• Share the app anytime — tap Share even with nothing entered to send friends an invite and App Store link
• New fuel units — added Wh/mi, Wh/km, km/kWh, and gal/100mi for EV and combustion efficiency
• Calculate by dimensions — enter length × width for area, or length × width × depth for volume, with Imperial (ft + in) and Metric (m + cm) support
• 10 new languages — Danish, German, French, Italian, Japanese, Korean, Brazilian Portuguese, Russian, Vietnamese, and Chinese (Simplified)
About Mila's Tools: Unit Converter
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!