Is Unit Converter free to use?
Yes. Unit Converter is part of MyDevTools, the all-in-one developer desktop app, and is free to use.
Converters
Free Unit Converter — MyDevToolsUnit Converter on MyDevTools
323 units across 43 categories: length, mass, pressure, temperature, viscosity, electrical, polymer, and materials science — a unit converter for km to miles and engineering conversions.
About Unit Converter
Convert between 323 units across 43 scientific and engineering categories including length, mass, pressure, viscosity, thermal, electrical, polymer, and materials science units. Part of MyDevTools — an all-in-one desktop toolkit that runs offline and processes your data locally on your machine.
Common Unit Converter use cases
Use Unit Converter when you need a fast, dedicated way to work with unit converter. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks. Because MyDevTools keeps related utilities together in one offline desktop app, you can move from Unit Converter into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.
Example workflow
A typical workflow starts by pasting or typing your input into Unit Converter. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes Unit Converter part of a practical developer workflow instead of a one-off utility page.
Key Features
- Unit Converter supports unit converter workflows in one all-in-one desktop toolkit.
- Unit Converter supports unit conversion workflows in one all-in-one desktop toolkit.
- Unit Converter supports measurement converter workflows in one all-in-one desktop toolkit.
- Unit Converter supports scientific units workflows in one all-in-one desktop toolkit.
- Unit Converter supports engineering units workflows in one all-in-one desktop toolkit.
- Unit Converter supports SI units workflows in one all-in-one desktop toolkit.
- Unit Converter supports metric converter workflows in one all-in-one desktop toolkit.
- Runs offline on your desktop
- Free to use, always
Unit Converter FAQ
Do I need to install anything for Unit Converter?
Unit Converter is one of 80+ tools in the MyDevTools desktop app. Install MyDevTools once and every tool works offline, with your data processed locally.
What is Unit Converter best for?
323 units across 43 categories: length, mass, pressure, temperature, viscosity, electrical, polymer, and materials science — a unit converter for km to miles and engineering conversions.
What should I use with Unit Converter?
Most developers pair Unit Converter with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.
How to Use Unit Converter
- 01
Open the tool
Open Unit Converter in the MyDevTools desktop app — no account required to start.
- 02
Enter your data
Paste or type your input directly. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
Learn
Unit Converter: 323 Units Across 43 Categories
Convert between length, mass, pressure, temperature, electrical, and other scientific units. Instant conversion offline on your desktop.
5 min read•Converters
Read ArticleRelated Converters Tools
URL Encoder / DecoderPercent-encode or decode text for query strings and URI components with UTF-8 support.URL ParserParse any URL into protocol, host, path, query parameters, and hash. Runs locally on your device.Timestamp ConverterConvert Unix seconds or milliseconds, ISO-8601, and date strings. See UTC, local, and relative time with one-click copy.Base64 Encoder / DecoderEncode text to Base64 or decode Base64 strings instantly, with UTF-8 support. Runs entirely on your device.Number Base ConverterConvert integers between number bases 2 through 36 with optional 0x/0b/0o prefixes. Runs entirely on your device.Image to Base64 ConverterConvert images to Data URI or raw Base64 strings instantly. Drops local images and encodes them purely on your device.CSV / Excel ↔ JSON ConverterUpload CSV or Excel files and convert to JSON, or export a JSON array of objects back to CSV and XLSX. Dates from Excel become ISO strings. Runs on your device.String Case ConverterConvert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and more.