Use this calculator to determine if your sofa's dimensions are compatible with your doorway. Accurate measurements are key!
Sofa Dimensions (in centimeters)
Doorway Dimensions (in centimeters)
function calculateSofaFit() {
var sofaLength = parseFloat(document.getElementById('sofaLength').value);
var sofaHeight = parseFloat(document.getElementById('sofaHeight').value);
var sofaDepth = parseFloat(document.getElementById('sofaDepth').value);
var doorwayWidth = parseFloat(document.getElementById('doorwayWidth').value);
var doorwayHeight = parseFloat(document.getElementById('doorwayHeight').value);
var resultDiv = document.getElementById('result');
resultDiv.innerHTML = "; // Clear previous results
// Input validation
if (isNaN(sofaLength) || isNaN(sofaHeight) || isNaN(sofaDepth) || isNaN(doorwayWidth) || isNaN(doorwayHeight) ||
sofaLength <= 0 || sofaHeight <= 0 || sofaDepth <= 0 || doorwayWidth <= 0 || doorwayHeight <= 0) {
resultDiv.innerHTML = 'Please enter valid positive numbers for all dimensions.';
return;
}
var fits = false;
var method = "";
// Scenario 1: Sofa upright, depth-first
if (sofaDepth <= doorwayWidth && sofaHeight <= doorwayHeight) {
fits = true;
method = "It can fit straight through, depth-first (sofa standing upright).";
}
// Scenario 2: Sofa on its side, height-first
else if (sofaHeight <= doorwayWidth && sofaDepth <= doorwayHeight) {
fits = true;
method = "It can fit straight through, on its side (height-first).";
}
// Scenario 3: Sofa on its back/front, length-first
else if (sofaLength <= doorwayWidth && sofaDepth <= doorwayHeight) {
fits = true;
method = "It can fit straight through, on its back/front (length-first).";
}
// Scenario 4: Pivot method – Depth-first entry, then rotate vertically
// This is for when the sofa is too tall for the doorway, but its depth fits the width.
// The diagonal of Length and Height must fit the Doorway Height.
else if (sofaDepth <= doorwayWidth) { // Must fit through the width first
var diagonalLH = Math.sqrt(sofaLength * sofaLength + sofaHeight * sofaHeight);
if (diagonalLH <= doorwayHeight) {
fits = true;
method = "It can fit by entering depth-first and then tilting/pivoting. Ensure enough space for rotation on both sides.";
}
}
// Scenario 5: Pivot method – Height-first entry, then rotate vertically
// This is for when the sofa is too deep for the doorway, but its height fits the width (on its side).
// The diagonal of Length and Depth must fit the Doorway Height.
else if (sofaHeight <= doorwayWidth) { // Must fit through the width (on its side) first
var diagonalLD = Math.sqrt(sofaLength * sofaLength + sofaDepth * sofaDepth);
if (diagonalLD doorwayWidth && sofaHeight > doorwayWidth) {
reasons.push("The sofa's depth (" + sofaDepth + " cm) and height (" + sofaHeight + " cm) are both wider than the doorway width (" + doorwayWidth + " cm), making direct entry difficult.");
} else if (sofaDepth > doorwayWidth) {
reasons.push("The sofa's depth (" + sofaDepth + " cm) is wider than the doorway width (" + doorwayWidth + " cm), preventing depth-first entry.");
} else if (sofaHeight > doorwayWidth) {
reasons.push("The sofa's height (" + sofaHeight + " cm) is wider than the doorway width (" + doorwayWidth + " cm), preventing entry on its side.");
} else if (sofaLength > doorwayWidth) {
reasons.push("The sofa's length (" + sofaLength + " cm) is wider than the doorway width (" + doorwayWidth + " cm), preventing length-first entry.");
}
// Primary height constraints
if (sofaHeight > doorwayHeight && sofaDepth > doorwayHeight) {
reasons.push("The sofa's height (" + sofaHeight + " cm) and depth (" + sofaDepth + " cm) are both taller than the doorway height (" + doorwayHeight + " cm), making direct entry difficult.");
} else if (sofaHeight > doorwayHeight) {
reasons.push("The sofa's height (" + sofaHeight + " cm) is taller than the doorway height (" + doorwayHeight + " cm), preventing upright entry.");
} else if (sofaDepth > doorwayHeight) {
reasons.push("The sofa's depth (" + sofaDepth + " cm) is taller than the doorway height (" + doorwayHeight + " cm), preventing entry on its side.");
}
// Diagonal/Pivot constraints if primary dimensions fit width but not height
if (sofaDepth doorwayHeight) {
reasons.push("Even when attempting to pivot depth-first, the diagonal of the sofa's length and height (" + diagonalLH.toFixed(1) + " cm) is too large for the doorway height (" + doorwayHeight + " cm).");
}
}
if (sofaHeight doorwayHeight) {
reasons.push("Even when attempting to pivot height-first, the diagonal of the sofa's length and depth (" + diagonalLD.toFixed(1) + " cm) is too large for the doorway height (" + doorwayHeight + " cm).");
}
}
if (reasons.length === 0) {
reasons.push("Based on the dimensions, the sofa does not appear to fit through the doorway by any common method.");
}
resultDiv.innerHTML = 'No, the sofa will not fit.Possible reasons:
Moving a new sofa into your home can be exciting, but nothing dampens the mood faster than realizing it won't fit through the door. This calculator helps you avoid that frustration by checking the critical dimensions beforehand. It considers various ways a sofa might pass through an opening, from straightforward entry to complex tilting and pivoting.
Key Measurements You'll Need:
Sofa Length (L): The longest dimension of your sofa, typically from armrest to armrest.
Sofa Height (H): The measurement from the floor to the highest point of the sofa, usually the top of the backrest. Don't forget to account for any non-removable feet or decorative elements.
Sofa Depth (D): The measurement from the very front edge of the sofa to the very back.
Doorway Width (W): The clear opening width of your door frame. Measure from the inside of one jamb to the inside of the other.
Doorway Height (H): The clear opening height of your door frame. Measure from the floor to the top of the frame.
How Sofas Fit (or Don't Fit) Through Doors:
There are several common methods for moving a sofa, each with its own dimensional requirements:
Straight Through (Upright, Depth-First): This is the easiest method. The sofa is moved with its depth leading, standing upright. It requires the sofa's depth to be less than the doorway width, and the sofa's height to be less than the doorway height.
On Its Side (Height-First): If the sofa is too deep for the doorway width when upright, you might try turning it on its side. This requires the sofa's height to be less than the doorway width, and its depth to be less than the doorway height.
On Its Back/Front (Length-First): Less common for doors but possible, especially for narrower sofas. The sofa is moved with its length leading, lying on its back or front. This requires the sofa's length to be less than the doorway width, and its depth to be less than the doorway height.
The Pivot/Tilt Method: This is often necessary for larger sofas. It involves getting one dimension (usually depth or height) through the doorway, and then tilting or rotating the sofa to clear the other dimensions. This method often relies on the diagonal measurement of the sofa's face (e.g., the diagonal of its length and height) being less than the doorway's height. This calculator checks for the most common pivot scenarios.
Important Considerations:
Accuracy is Crucial: Measure multiple times, and always measure the narrowest points.
Removable Parts: Can the sofa legs be removed? Are the cushions detachable? These can significantly reduce overall dimensions.
Obstacles: Don't forget about tight hallways, stairwells, low ceilings, light fixtures, or other furniture that might obstruct the path to the doorway.
Door Hinges/Frames: Sometimes, removing the door from its hinges or even temporarily removing the door frame can gain a few crucial centimeters.
Professional Movers: If in doubt, consult with professional movers. They have experience with tricky situations and specialized tools.
Example Scenario:
Let's say you have a large 3-seater sofa with the following dimensions:
Sofa Length: 220 cm
Sofa Height: 90 cm
Sofa Depth: 95 cm
And your standard doorway measures:
Doorway Width: 80 cm
Doorway Height: 200 cm
Using the calculator, you'd find that this sofa likely won't fit. The sofa's depth (95 cm) is greater than the doorway width (80 cm), preventing it from entering depth-first. Even trying to turn it on its side (height-first), the sofa's height (90 cm) is still greater than the doorway width (80 cm). This highlights why careful measurement is essential!