The term steps and rises are often used interchangeably when building a staircase. To calculate the number of steps required, divide the total rise height by the target rise height. Round the result of this calculation down to the nearest whole number. Divide the total rise height by this number. If this number is within the parameters allowed by your local building code this is the correct number of steps, should this result not fall within the parameters allowed by local building codes add 1 to the the number of steps and recalculate the result. The maximum and minimum heigh of rises or steps is regulated in many regions around the world through local building codes. It is your responsibly to ensure the output provided by Chippy Tools meets all building codes.