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Number Calculators

Percentages, fractions, primes, conversions and more.

Percentage Of
Calculate what percentage one number is of another.
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Percentage
General-purpose percentage calculator for any values.
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Percent More
Find the value when a number is increased by a percentage.
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Percent Off
Calculate the final price after a percentage discount.
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Percentage Difference
Find the percentage difference between two numbers.
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Percent as a Decimal
Convert any percentage to its decimal equivalent.
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Percent as a Fraction
Convert a percentage to a simplified fraction.
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Percent to Probability
Convert a percentage to a probability or chance ratio.
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Decimal as a Fraction
Convert any decimal number to a fraction in simplest form.
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Decimal as a Percent
Convert a decimal number to a percentage.
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Fraction as a Decimal
Convert any fraction to its decimal representation.
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Fraction as a Mixed Number
Convert an improper fraction to a mixed number.
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Fraction Simplified
Reduce any fraction to its simplest (lowest) form.
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Fraction Greater Compare
Compare two fractions and find which is greater.
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Factors Of
List all the factors of any whole number.
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Prime Factors Of
Find the prime factorisation of any whole number.
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Is Prime Number
Check whether any number is a prime number.
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Nth Prime Number
Find the Nth prime number in the sequence.
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Greatest Common Factor
Find the greatest common factor (GCF) of two or more numbers.
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Least Common Multiple
Find the least common multiple (LCM) of two or more numbers.
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Square Root
Calculate the square root of any number.
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Long Division
Perform long division and see step-by-step working.
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Decimal to Binary
Convert a decimal number to binary (base 2).
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Binary to Decimal
Convert a binary number to decimal (base 10).
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Decimal to Hex
Convert a decimal number to hexadecimal (base 16).
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Hex to Decimal
Convert a hexadecimal number to decimal.
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Integer to Roman Numerals
Convert any integer to Roman numeral notation.
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Roman Numerals to Integer
Convert Roman numeral notation to a regular integer.
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Digit of Pi
Look up any digit of pi by its position in the sequence.
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Search Pi
Search for any digit sequence within the digits of pi.
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Bytes to KB
Convert bytes to kilobytes.
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KB to Bytes
Convert kilobytes to bytes.
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KB to MB
Convert kilobytes to megabytes.
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MB to KB
Convert megabytes to kilobytes.
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MB to GB
Convert megabytes to gigabytes.
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GB to MB
Convert gigabytes to megabytes.
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GB to TB
Convert gigabytes to terabytes.
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TB to GB
Convert terabytes to gigabytes.
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Bits to Bytes
Convert bits to bytes.
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Bytes to Bits
Convert bytes to bits.
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Names Compatibility
Calculate the compatibility score between two names.
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