CalcLaminatboden-Rechner
Zuletzt aktualisiert: 2026-05-07
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| Raumlänge (m) | Raumbreite (m) | Dielenlänge (m) | Dielenbreite (cm) | Dielen pro Paket (pcs) |
|---|---|---|---|---|
| 3 m | 3 m | 1.26 m | 0.192 cm | 8 pcs |
| 4 m | 3.5 m | 1.26 m | 0.192 cm | 8 pcs |
| 5 m | 4 m | 1.26 m | 0.192 cm | 8 pcs |
| 6 m | 4.5 m | 1.26 m | 0.192 cm | 8 pcs |
| 8 m | 5 m | 1.85 m | 0.24 cm | 6 pcs |
What is the Laminate Flooring Calculator?
Laminate flooring is sold in boxes containing a set number of planks — and once you start a job, finding an extra box from the same batch to match colour and texture is never guaranteed. This calculator tells you exactly how many planks and boxes you need for your room, applying the standard 10% waste factor for cuts, offcuts at walls, and future replacements.
You may also find the Carpet Calculator, Paver Calculator, and Grout Calculator useful.
Who Uses This Calculator?
This tool is used by DIY homeowners laying laminate, flooring contractors quoting jobs, and interior designers specifying materials.
How to Use the Laminate Flooring Calculator
<öl>Formula
The calculator uses the following formula:
Room area = Length × Width; Planks = ceil(area × 1.1 ÷ (plank_L × plank_W)); Boxes = ceil(planks ÷ planks_per_box)
Worked Example
A 4 m × 3.5 m room using planks that are 1.2 m × 19 cm (8 planks/box) requires approximately 22 boxes with 10% waste included.
Step-by-Step Calculation
<öl>Common Mistakes to Avoid
- Not adding 10% waste for cuts, especially in rooms with diagonal layouts (+15%)
- Measuring closets separately — include them in the total area
- Forgetting the underlay/foam layer adds 3-5 mm — may affect door clearance
Frequently Asked Questions
Laying planks parallel to the longest wall makes rooms look larger. Running them toward the main light source (a window) also looks most natural. Avoid running perpendicular to the main view.
Leave a 10–12 mm expansion gap around all walls, door frames, and fixed objects. This allows the floor to expand and contract with temperature and humidity changes. Cover the gap with skirting board.
Cuts at walls, angles, and door frames produce off-cuts that are unusable. The last row often needs ripping to width. 10% is standard; add 15% for diagonal installation which creates more waste.
Yes, if the existing floor is level (< 3 mm variation over 1.8 m), firm, and dry. Lay underlay on top. Very uneven floors must be levelled first with self-levelling compound.
Split the L-shape into two rectangles, calculate each separately, then add the totals. Don't just calculate the bounding rectangle — you'll significantly overestimate material.