This calculator will help you estimate hip roof parameters, including rafters and roof area

The Histogram Builder calculator allows users to input a set of numbers and generate a histogram, either by using the Sturgess, Scott or Freedman-Diaconis formula, or manually setting the number of groups.

Sturges formula and other methods of determining the number of groups in histogram generation

This calculator estimates how many circles of radius r can be placed inside another circle of radius R.

This day calculator counts the number of days between two dates. It does not include the last day, so, there is 1 day between today and tomorrow, not 2.

This calculator helps you calculate how many hours between two days, for example, between Monday 8 a.m and Wednesday, 6 p.m.

This online calculator calculates how many months are there between two dates.

This week calculator determines the number of weeks between the first date and second date.

The calculator evaluates number of working days and holidays for a period of time. The calculator based on the U.S. federal holidays table recognised in most states.

The cache calculator gives the volume and weight of the cache in a currency.

This calculator determines how much time, in days, hours, minutes and seconds, elapsed between the first date and the second date

Th calculator converts the html table code to JSON array with optional data transpose and compression. It also visualizes numeric data on chart.

This online calculator generates Huffman coding based on a set of symbols and their probabilities. A brief description of Huffman coding is below the calculator.

This online calculator calculates the humidification requirements for your space by determining the volume of air to be humidified and the amount of water to be added per hour, helping you choose the right humidifier.

This calculator calculates Humindex, index used by Canadian meteorologists to describe how hot the weather feels to the average person, by combining the effect of heat and humidity.

This online calculator can solve hydrostatic pressure problems by finding unknown values in the hydrostatic equation.

Calculation of hyperbolic functions

This calculator calculates hypergeometric distribution pdf, cdf, mean and variance for given parameters

This calculator calculates the check digit from the other digits/alphabetic characters in the entered series. The calculation is done according to the algorithm used by ICAO for machine readable travel documents. The description of the algorithm can be found below the calculator.

The Body Mass Index (BMI) calculator is used to calculate the ideal weight of an individual based on their height and weight.