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Converters
Units, currency, color, text case, and number-format conversions.
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Unit Converter
Length, weight, volume, and area conversions.
Free
Temperature Converter
Celsius, Fahrenheit, and Kelvin at a glance.
Popular
Currency Converter
Convert between major currencies with live exchange rates.
Free
Number Base Converter
Binary, octal, decimal, and hexadecimal, together.
New
CSS Unit Converter
Convert between px, rem, em, and pt.
New
Aspect Ratio Calculator
Simplify a ratio, or scale a dimension to match it.
Free
Color Converter
HEX, RGB, and HSL, converted live with a swatch.
Free
Case Converter
Upper, lower, title, sentence, camel, snake, kebab.
Free
Number to Words
Spell out any number in English words.
Free
Data Storage Converter
Bits, bytes, KB, MB, GB, and TB, converted together.
New
Roman Numeral Converter
Convert between numbers and Roman numerals, both ways.
New
GPA / CGPA Converter
Convert between a 10-point CGPA, a percentage score, and the US 4.0 GPA scale.