Convertly: Unit Converter
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About this app
Convertly is a unit converter for metric and imperial measurements, built around one idea: you shouldn't have to hunt through a giant table to find the unit you want. Type what you're looking for and convert.
INSTANT, CROSS-CATEGORY SEARCH
Just start typing. Search "kilo" and see kilogram, kilometer and kilometers per hour together — no matter which category they belong to. No tabs to click through, no scrolling past units you don't need.
LIVE, TWO-WAY CONVERSION
Change either side and the other updates instantly. Swap the two units with a single tap: cm to inches becomes inches to cm.
EIGHT CATEGORIES, 52 UNITS
• Length — millimeter, centimeter, meter, kilometer, inch, foot, feet and inches, yard, mile
• Weight — milligram, gram, kilogram, tonne, ounce, pound
• Temperature — Celsius, Fahrenheit, Kelvin
• Volume — milliliter, liter, US gallon, quart, pint, cup, fluid ounce
• Area — square meter, square kilometer, hectare, square foot, acre, square mile
• Speed — meter/second, km/h, mph, knot
• Data storage — bit, byte, kilobyte, megabyte, gigabyte, terabyte, plus KiB, MiB, GiB and TiB
• Time — second, minute, hour, day, week, month, year
The everyday conversions are all here: kg to lbs, cm to inches, km to miles, Celsius to Fahrenheit, liters to gallons, m² to ft², km/h to mph, MB to GB, hours to minutes — metric to imperial and back.
FEET AND INCHES, WITH FRACTIONS
Enter 5' 7 3/8" straight off the tape measure with the built-in fraction keypad, and read results to the nearest 1/2 down to 1/32 of an inch. Made for carpentry, DIY and the job site.
EVERY UNIT AT ONCE
One tap shows your amount converted into every unit of the category. On tablets and unfolded foldables, the full list sits right next to the converter.
PICKS UP WHERE YOU LEFT OFF
Convertly remembers the last category and pair of units you used, so the conversion you do every day is ready the moment you open it.
COPY WITH ONE TAP
Copy any result to your clipboard, already formatted with its unit.
WORKS FULLY OFFLINE
Every conversion happens on your device. No internet connection required — handy while traveling, cooking, studying or on a job site.
SIX LANGUAGES
English, Spanish, Hindi, Brazilian Portuguese, Romanian and Polish. Convertly follows your phone's language automatically.
PRIVATE BY DEFAULT
What you type never leaves your phone. Convertly is free, supported by a single banner ad at the bottom of the screen, and never asks for your location, contacts, files or camera. See our privacy policy for details.
No clutter. No giant tables. Just type and convert.
INSTANT, CROSS-CATEGORY SEARCH
Just start typing. Search "kilo" and see kilogram, kilometer and kilometers per hour together — no matter which category they belong to. No tabs to click through, no scrolling past units you don't need.
LIVE, TWO-WAY CONVERSION
Change either side and the other updates instantly. Swap the two units with a single tap: cm to inches becomes inches to cm.
EIGHT CATEGORIES, 52 UNITS
• Length — millimeter, centimeter, meter, kilometer, inch, foot, feet and inches, yard, mile
• Weight — milligram, gram, kilogram, tonne, ounce, pound
• Temperature — Celsius, Fahrenheit, Kelvin
• Volume — milliliter, liter, US gallon, quart, pint, cup, fluid ounce
• Area — square meter, square kilometer, hectare, square foot, acre, square mile
• Speed — meter/second, km/h, mph, knot
• Data storage — bit, byte, kilobyte, megabyte, gigabyte, terabyte, plus KiB, MiB, GiB and TiB
• Time — second, minute, hour, day, week, month, year
The everyday conversions are all here: kg to lbs, cm to inches, km to miles, Celsius to Fahrenheit, liters to gallons, m² to ft², km/h to mph, MB to GB, hours to minutes — metric to imperial and back.
FEET AND INCHES, WITH FRACTIONS
Enter 5' 7 3/8" straight off the tape measure with the built-in fraction keypad, and read results to the nearest 1/2 down to 1/32 of an inch. Made for carpentry, DIY and the job site.
EVERY UNIT AT ONCE
One tap shows your amount converted into every unit of the category. On tablets and unfolded foldables, the full list sits right next to the converter.
PICKS UP WHERE YOU LEFT OFF
Convertly remembers the last category and pair of units you used, so the conversion you do every day is ready the moment you open it.
COPY WITH ONE TAP
Copy any result to your clipboard, already formatted with its unit.
WORKS FULLY OFFLINE
Every conversion happens on your device. No internet connection required — handy while traveling, cooking, studying or on a job site.
SIX LANGUAGES
English, Spanish, Hindi, Brazilian Portuguese, Romanian and Polish. Convertly follows your phone's language automatically.
PRIVATE BY DEFAULT
What you type never leaves your phone. Convertly is free, supported by a single banner ad at the bottom of the screen, and never asks for your location, contacts, files or camera. See our privacy policy for details.
No clutter. No giant tables. Just type and convert.
Metric & imperial unit converter. Type to find any of 52 units. Works offline.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesApp info and performance and Device or other IDs
- Data is encrypted in transit
- You can request that data be deleted
What’s new
• After you've been using Convertly for a few days, it may ask once how it's working for you — a quick rating right inside the app. Rating it is what helps other people find it.
• Important fixes can now reach your phone faster.
• Important fixes can now reach your phone faster.
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About the developer
Elias Eguizabal Mendoza
elias.eguizabal@gmail.com
El Salvador
