Converters
10 free online tools
About Converters
Converting between units and formats is one of those tasks that interrupts real work — you just need to know what 5 miles is in kilometers, or to turn a JSON export into a spreadsheet. ToolForge's converters handle measurement units across length, weight, temperature, area, volume, speed, and time, alongside data conversions like JSON to CSV.
Students check homework, engineers and cooks convert between metric and imperial, and developers reshape data for import elsewhere. The conversions are instant and run in your browser, so there is no waiting and nothing to install — type a value, pick the units or formats, and read the result.
Related Categories
Unit Converter
Convert length, weight, temperature, and more
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin instantly
Number Base Converter
Convert Binary, Octal, Decimal, and Hexadecimal
Data Storage Converter
Convert Bytes, KB, MB, GB, TB, and PB
Time Zone Converter
Convert times across multiple time zones
Roman Numeral Converter
Convert numbers to Roman numerals and back
Currency Converter
Convert currencies with live exchange rates
Cooking Measurement Converter
Convert cups, grams, tablespoons, and more
Number to Words Converter
Convert numbers to English words and cheque format
Frequently Asked Questions
How accurate are the unit conversions?
Conversions use standard, exact conversion factors, so they are accurate to the precision shown. For everyday use the results are reliable; for scientific or engineering work, just be mindful of how many decimal places your application requires.
Can I convert between metric and imperial units?
Yes. The unit converter handles both systems across length, weight, temperature, volume, and more, so you can move freely between, say, kilograms and pounds or Celsius and Fahrenheit.
Do these converters work in my browser?
Yes, the conversions run locally and instantly with no upload or sign-up, so you can convert as many values as you like without any limit.
