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Room 1
Width
m
Length
m
Net Carpet Area
0.00 ㎡
Total Carpet Required (With Waste Factor)
0.00 ㎡
Waste & Cutting Allowance
Estimates generated are approximate calculations for preliminary planning. Actual roll layouts and seam placements may vary. Professional measurement recommended before ordering.
Frequently Asked Questions
A: Measure the width and length of every space in meters. Multiply width by length to get net carpet area in m². Add a waste factor — usually 10% — to cover seams, pattern matching, and cutting errors. The Carpet Calculator does this math instantly across multiple rooms.
A: Carpet tile is priced and ordered by the box or carton, so the calculator rounds up to full cartons after adding waste. Broadloom (wall-to-wall) carpet is sold by the linear meter from a fixed roll width, so the tool factors in roll width and seam placement instead of simple area.
A: A waste factor is the extra material you order beyond the exact measured area. It covers pattern repeats, trimming, and installation error. Standard jobs use 5-10%. Patterned carpet or complex layouts need 15-20%. Skipping this step is the top cause of mid-project material shortages.
A: Yes. Enter your staircase configuration (number of flights) alongside your room dimensions. The calculator adds a per-step area allowance, since stairs consume more carpet per square meter than flat floors due to wrapping and tread depth.
A: Take your total carpet required in m² (after waste factor) and multiply by your supplier’s price per square meter. Add installation labor separately. The output is built to plug directly into a procurement cost sheet.
A: The tool gives a reliable planning-stage estimate for budgeting and material ordering. For final commercial bids, we recommend a certified installer to confirm exact geometry, especially for irregular rooms or multi-cluster environments.
A: Net carpet area is the raw measured floor space in m². Total carpet required is net area plus your selected waste factor — this is the number you actually order. Suppliers and estimators always work from total carpet required, not net.
A: Yes. Add each space as a separate room with its own width and length. The calculator sums every room into one total carpet required, ideal for multi-room commercial buildouts.
A: Patterns must align across seams, which means offcuts can’t be reused elsewhere. A 15% waste factor is standard for patterned carpet, versus 5-10% for solid or textured carpet, to avoid running short mid-installation.
A: Yes. Switch between square meters (m²) and square feet/yards depending on your region or supplier’s quoting standard. This keeps international procurement teams aligned without manual unit conversion.