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Number Calculators

Percentages, fractions, primes, conversions and more.

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