HomeCalculatorsHome Improvement CalculatorsStair CalculatorStair Calculator Design precise stairs for any setting with our interactive Stair Calculator. Enter your measurements to get accurate results for straight, spiral, or landing stairs in real time.Basic Straight StairSpiral StairLanding StairBasic Straight Stair Total Rise (inches) Desired Riser Height (inches) Tread Depth (inches) Nosing (inches) CalculationValueSpiral Stair Total Height (inches) Stair Diameter (inches) Number of Steps Center Post Diameter (inches) CalculationValueLanding Stair Total Rise (inches) Riser Height (inches) Lower Stair Tread Depth (inches) Landing Depth (inches) Upper Stair Tread Depth (inches) Nosing (inches) CalculationValue More ToolsAsphalt CalculatorBrick CalculatorCabinet CalculatorConcrete CalculatorDeck CalculatorDrywall CalculatorDrywall Sheet EstimatorFence CalculatorFlooring CalculatorFoundation CalculatorGravel CalculatorHVAC Size CalculatorInsulation CalculatorLumber CalculatorMulch CalculatorPaint CalculatorPaver CalculatorPlumbing Pipe Size CalculatorRoofing CalculatorSiding CalculatorSurface Area CalculatorTile CalculatorWallpaper CalculatorWindow & Door Calculator
