Use our Number tools to generate random numbers, calculate next leap year, or perform bitwise operations.

Number Tools

Math Calculator

Math Calculator

Perform addition, subtraction, multiplication, and division calculations.

Byte Calculator

Byte Calculator

Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes.

Bandwidth Calculator

Bandwidth Calculator

Determine time required to download a specific file given the bandwidth speed.

Binary Converter

Binary Converter

Convert a decimal number to Binary or Hexadecimal, or vice versa.

Random Number

Random Number Generator

Generate pseudo-random numbers in sequence as if you're throwing a dice.

Leap Year

Leap Year Calculator

Check if a particular year is a leap year, or determine leap years from a range.

Date Calculator

Date Calculator

Calculate duration between dates, or add/subtract days.

Lunar Calculator

Lunar Calendar Converter

Convert a Gregorian calendar date to the Lunar (Chinese) calendar date.

Lotto Numbers

Lotto Number Generator

Let us generate your pseudo-random lottery numbers for your next lucky tickets.

Bit Shift Calculator

Bit Shift Calculator

Perform bit-shift operation on a hexadecimal, decimal, octal and binary number.

Percent Calculator

Percent Calculator

A tool used to calculate the percentage of a given value in relation to another.

Percentage Change

Percentage Change Calculator

Calculate the change in percentage, or apply a percentage change to a value.

RDI Calculator

RDI Calculator

Calculate your Recommended Daily Intake (RDI) of various nutrients based on your age, sex, and weight.

Distance Calculator

Distance Calculator

Calculate the distance between two latitude and longitude coordinates.

Sort Numbers

Sort Numbers

Sort numbers in ascending or descending order, and download results.

Other Tools

DNS Tools

DNS Tools

Email Tools

Email Tools

IP Tools

IP Tools

Network Tools

Network Tools

SEO Tools

SEO Tools

Web Tools

Web Tools

Security Tools

Security Tools

Linux Tools

Linux Tools

Number Tools

Number Tools

Image Tools

Image Tools

Text Tools

Text Tools

HTML Tools

HTML Tools

Developer Tools

Developer Tools

Convert Tools

Convert Tools

Business Tools

Business Tools

Chart Tools

Chart Tools

Finance Tools

Finance Tools

CSS Tools

CSS Tools

List Tools

List Tools

Symbol Tools

Symbol Tools

Javascript Tools

Javascript Tools

Random Tools

Random Tools

Third-party Tools

Third-party Tools