Concrete Steps - Metric

Calculate the amount of concrete needed for stairs on a slope between two elevations. The volume is calculated from the stair riser, the run and the throat depth of the stairs. The number of risers equals the number of steps. This calculator uses millimetres for measurements.

Note:

the number of steps equals the number of risers!

Concrete Steps - Millimetres

Calculation

enter the number of steps
the riser height of the step in millimetres
the run of the step in millimetres
the thickness of the throat in millimetres
the width of the stairs in millimetres

Results

the total rise of the stairs in millimetres
total run of the stairs millimetres
the slope of the stairs in degrees
the amount of concrete needed in cubic metres
in cubic feet
in cubic yards

Conversions

one cubic millimetre (mm³) = 0.000000001 cubic metres (m³)
one cubic millimetre (mm³) = 0.0000000353146667214886 cubic feet (ft³)
one cubic millimetre (mm³) = 0.00000000130795061931439 cubic yards (yd³)

To convert cubic metres to cubic feet, multiply cubic metres by 35.3146667214886 
To convert cubic metres to cubic yards, multiply cubic metres by 1.30795061931439

When Ordering Concrete

This concrete calculator will help you in estimating the amount of concrete needed for your project. The amount given as needed, does not include any waste. It is recommended, depending on the job you are doing, to add anywhere from an extra 4% to 10% to your concrete order to make sure you have enough concrete to finish the job. Ask when ordering the concrete. They will be able to give you a good idea of what is needed.