Stair & Step Calculator
Need to know what your rising and going of your steps are? Use this easy calculator to make sure your steps are within standard.
Instructions
Fill in two known starred values and number of steps and press "Calculate" button. The other values will be calculated.
If you have set the stair dimensions correctly and want to adjust the step amount use "Clear A & B & Steps values" button and re-enter the new step value and re-press the "Calculate" button. to receive your results
For non spiral stairs that are designed habitable rooms as per the NCC Building code - Please check this is the relevant standard required in your area and relates to your project
Rising should be between 115mm and 190mm
Going should be between 240mm and 355mm
with a slope relationship (2R+G) of between 550 and 700
NCC 2022 Stairway and ramp construction Part 11.2.2Please check that this is the current standard before using this information
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