Unit Converters
20 free converters for length, weight, temperature, currency, area, volume, and more. Instant results, no sign-up, works offline.
20converters
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100%free forever
Most popular
Kilograms to Pounds
Free kg to lbs converter — instantly convert kilograms to pounds with accurate results, no sign-up needed.
Celsius to Fahrenheit
Convert Celsius to Fahrenheit instantly for free. Simple °C to °F converter with formula, works on any device.
Centimeters to Feet & Inches
Free cm to feet and inches converter. Instantly convert centimeters to ft and in — no sign-up required.
Miles to Kilometers
Convert miles to kilometers instantly with our free mi to km converter. Accurate results, no sign-up needed.
Inches to Centimeters
Free inches to centimeters converter. Convert in to cm instantly with accurate results — no sign-up required.
Currency Converter
Convert 150+ currencies with live exchange rates. Free online currency converter, updated daily, no sign-up.
Timezone Converter
Convert time between any two world timezones instantly. Free timezone converter, no sign-up, works worldwide.
Liters to Gallons
Free liters to gallons converter. Instantly convert L to US or UK gallons — accurate results, no sign-up.
Color Code Converter
Free color code converter — convert between HEX, RGB, HSL, and HSV instantly with live color preview
Roman Numerals
Convert integers to Roman numerals (1–3999) and vice versa instantly. Free online tool, no sign-up needed.
Cups to Milliliters
Free cups to milliliters converter. Convert US cups to ml instantly for cooking and baking — no sign-up.
Fluid Ounces to Milliliters
Convert fluid ounces to milliliters instantly. Free fl oz to ml converter for cooking and recipes, no sign-up.
Feet to Meters
Free feet to meters converter. Instantly convert ft to m with accurate results — no calculator or sign-up needed.
File Size Converter
Free file size converter. Instantly convert KB, MB, GB, and TB in both SI and binary units — no sign-up needed.
All converters by type
Weight & Mass
Temperature
Length & Distance
Time & Currency
Volume & Cooking
Number & Code
Area & Land
Pressure, Power & Digital