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Β°C
Free
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine.
temperature
celsius
fahrenheit
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π
Free
Length Converter
Convert between metric and imperial length units.
length
distance
meter
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βοΈ
Free
Weight Converter
Convert between metric and imperial weight units.
weight
mass
kg
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π
Free
Speed Converter
Convert between m/s, km/h, mph, knots, and fps.
speed
velocity
kmh
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0x
Free
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
binary
hex
decimal
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XV
Free
Roman Numeral Converter
Convert between Arabic numerals and Roman numerals.
roman numeral
ancient
number conversion
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%
Free
Percentage Calculator
Calculate percentages, percentage of values, and percent change.
percentage
percent
calculate
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$
Free
Currency Converter
Convert between major world currencies using indicative reference rates.
currency
exchange rate
money
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π
Free
Age Calculator
Calculate exact age in years, months, days, and hours from a birth date.
age
birthday
calculator
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π¨
Free
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats with preview.
color
hex
rgb
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β
Free
CSV to JSON
Convert CSV data to JSON format with header support.
csv
json
convert
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