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Unit converter

Unit Converters

Pick a category to convert between any two units — instant, accurate, and 100% in your browser.

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Length

Convert between any two length units. Enter a value, pick your units, and get an instant, accurate result.

23 units

Weight & Mass

Convert between any two weight & mass units. Enter a value, pick your units, and get an instant, accurate result.

16 units

Temperature

Convert between any two temperature units. Enter a value, pick your units, and get an instant, accurate result.

5 units

Data Storage

Convert between any two data storage units. Enter a value, pick your units, and get an instant, accurate result.

15 units

Popular conversions

km → mi kg → lb °C → °F cm → in m → ft MB → GB

Frequently asked questions

Which units are supported?

Length · Weight & Mass · Temperature · Data Storage

Is this converter free?

Free & unlimited · Works offline in your browser · No sign-up

Find your next tool

37 tools

Compress image Shrink file size while keeping quality. Resize image Change width and height to any size. Crop image Trim images to the exact frame you want. Convert image Switch between JPG, PNG, WebP and more. Remove background Erase the background in one click. Image to PDF Combine images into one PDF document. Rotate & Flip Turn, straighten, and mirror photos. Image to text Pull editable text out of any image. HEIC to JPG Open iPhone HEIC photos as JPG. Watermark Stamp text or logos over your images. Collage Arrange multiple photos into a grid. Favicon Generator Build favicons in every required size. Color Picker Grab hex colors and build palettes. Blur & Pixelate Obscure faces, plates, and private bits. Enhance Auto-fix brightness, contrast, and color. Passport Photo Prepare photos for ID and passport applications. Signature Clean up and extract handwritten signatures. Photo Effects Apply filters and vintage looks. Social Image Size covers for common social platforms. Add text to image Caption images and make memes fast. GIF Maker Turn frames or clips into animated GIFs. Border & Frame Add clean borders and photo frames. Mockup Drop screenshots into device frames. SVG Converter Trace raster images into scalable SVG. EXIF Viewer Inspect camera and GPS metadata. Poster & Print Lay out posters and print-ready sheets. Document Scanner Deskew and clean photographed documents. Image to Base64 Encode images into a data-URI string. Placeholder Make dummy placeholder images on demand. Image generator Make gradients, patterns, and avatars. Compare Images See two images side by side with a slider. QR Code Create and download QR codes. Hide Text in Image Embed a secret message inside a picture. Length converter Meters, feet, inches, miles and more. Weight converter Switch between kilograms, pounds and more. Temperature converter Celsius, Fahrenheit, Kelvin and more. Data storage converter Bits, bytes, megabytes and gigabytes.
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