Metrix: Unit Converter

Currency, Cm, Inches, Kg, Lbs

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Convert live as you type: cm to inches, kg to lbs, celsius to fahrenheit, euro to dollar, plus shoe, ring & bra sizes. 80+ units, 80+ live currencies, no ads. You're packing a suitcase and need to know if 23 kg is over the limit. You're halving a recipe and 350 g of flour means nothing in cups. You're pricing something abroad and want it in dollars without three taps. Metrix converts as you type. No buttons. No waiting. Every row updates with every digit. 14 categories. 80+ units. 80+ currencies refreshed daily. International sizes, instantly convert shoe, clothing, ring and bra sizes between US, EU, UK and Japan. No more guessing your size when shopping abroad. Common conversions, instantly: kg to lbs, cm to inches, celsius to fahrenheit, kilometers to miles, meters to feet, grams to ounces, grams to cups, liters to ml, mm to inches, EUR to USD, GBP to USD. Type the number, every related unit updates the moment you do. Free, always • Length: cm, inches, feet, meters, miles, yards, nautical miles • Weight: kg, grams, pounds, ounces, stone, milligrams • Temperature: Fahrenheit, Celsius, Kelvin • Time: seconds, minutes, hours, days, weeks, months, years • Currency: 80+ currencies, refreshed daily, works offline • Sizes: shoe, clothing, ring and bra (US, EU, UK, Japan) • Volume: liters, milliliters, gallons, pints, quarts • Cooking: cups, tbsp, tsp. Real fractions: see 1 ¾ cups, not 1.7500 • Area: square feet, square meters, acres, hectares • Speed: mph, km/h, knots, m/s • Torque: newton-meters, foot-pounds, inch-pounds, kgf·m • Energy: joules, kJ, calories, kWh, BTU • Pressure: Pascal, kPa, bar, PSI, atm, mmHg • Digital Storage: bytes, KB, MB, GB, TB • Favorites: pin the conversions you use every day • History: every result saved, tap any row to restore What makes it different Type a calculation in any cell. 4.5 × 3.2 right where you'd type the number, see the answer in square feet instantly. No separate calculator app. Smart paste. Copy "5 feet" or "72.5 kg" from anywhere. Tap Paste. Metrix sets the unit AND the value in one move. Compound formats. See height as "5 ft 10 in" or weight as "7 lb 3 oz" alongside the decimal. The way people actually read measurements. Currency that knows where you are. Open Currency anywhere in the world and your home currency is at the top. House icon marks it. Tap any other to set a new home. Customize everything. Reorder categories. Hide ones you'll never use. Reorder units inside any category. Make Metrix yours in 30 seconds. Locale-aware. Type 2,5 in Germany or 2.5 in the US, Metrix understands both. Numbers render in your local format (1.234,56 vs 1,234.56). iPhone and iPad. Native iPad layout with sidebar + always-on calculator-style numpad. iPhone uses the system keyboard with paste + operators above it. One purchase. No subscription. No ads. No tracking. No accounts. Works fully offline (currency uses cached rates when disconnected). Who it's for • Travelers checking luggage, prices, and clothing sizes abroad • Cooks scaling recipes between metric and imperial • Engineers, students, and runners who switch systems all day • Anyone tired of asking Google "how many feet in a meter" for the hundredth time

Ratings & Reviews

  • 5.0
    out of 5
    3 Ratings

What's new: • Fixed selected categories not appearing in Customize Units on iPad • Smoother scrolling on the Favorites screen • Small fixes and refinements

Version 2.1.2

The developer, Reply200 Inc., 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:

    • Purchases
    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

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

Information

Seller
  • Reply200 Inc.
Size
  • 21 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.
Languages
French and 2 more
  • French, German, Italian
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Reply200 Inc.
  • Developer Website
  • Privacy Policy

    • More by Reply200 Inc.

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