Converters

Temperature, length, weight, area and speed converters

13 Result Runs in browser
Temperature Converter
Temperature Converter online: convert Celsius, Fahrenheit and Kelvin instantly. Fast, free and easy to use on NtoolBox.
Length Converter
Length Converter online: convert meters, kilometers, miles, feet and inches. Fast, free and easy to use on NtoolBox.
Weight Converter
Weight Converter online: convert kilograms, grams, pounds, ounces and more. Fast, free and easy to use on NtoolBox.
Area Converter
Area Converter online: convert square meters, hectares, acres and square feet. Fast, free and easy to use on NtoolBox.
Speed Converter
Speed Converter online: convert km/h, mph, m/s, knots and other speed units. Fast, free and easy to use on NtoolBox.
Word & Character Counter
Count words, characters, sentences and paragraphs instantly. Estimates reading time. Free, real-time, runs in your browser — no sign-up needed.
Number System Converter
Convert numbers between binary (base 2), octal (base 8), decimal (base 10) and hexadecimal (base 16) instantly. Free online number base converter.
Time Zone Converter
Convert time between any two time zones instantly. Free online time zone converter for travelers, remote teams, and meeting planning.
Data Storage Converter
Convert data storage units instantly: Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte. Free online data storage converter.
Day Counter
Free online day counter: instantly calculate the difference between two dates, count down to an event, or measure elapsed time. Live second-by-second updates.
Text Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase and snake_case instantly.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates or vice versa. Supports seconds and milliseconds, live current timestamp display.
Text Reverser
Reverse any text instantly, character by character. Supports Unicode, emoji and multi-byte characters.