How do I calculate material needs for my project?

First measure the area (length x width) or room perimeter. Enter the dimensions in the appropriate tab of the calculator and select your material. The calculator automatically adds the necessary waste and creates a shopping list with the correct order quantity.

How much waste should I plan for?

As a rule of thumb: 10% waste for simple rectangular rooms with straight laying. For diagonal installation or complex room shapes, plan for 15%. For herringbone patterns or rooms with many angles, even 20% is advisable. The calculator accounts for waste automatically based on the laying pattern.

Why do diagonal tiles need more material?

With diagonal installation, tiles meet the walls at a 45-degree angle. This means tiles must be cut at an angle at every edge, and the offcuts are often too small for other positions. This results in 10-15% more material consumption compared to straight laying.

How much wall paint per m2?

Coverage depends heavily on the surface and paint type. On smooth plaster, about 100 ml of emulsion paint per m2 per coat is sufficient. On woodchip wallpaper, consumption rises to about 140 ml/m2. Always plan for at least two coats - for dark colors or color changes, even three.

How heavy is 1m3 of gravel?

One cubic meter of gravel weighs between 1,700 and 1,900 kg depending on grain size and moisture, averaging about 1,800 kg (1.8 tonnes). Sand is slightly lighter at about 1,600 kg/m3, while aggregate is similar at about 1,800 kg/m3. Note: with compaction you need 15-25% more volume.

How many packs of laminate do I need?

First calculate the room area (length x width) and add 10% waste. Then divide the total area by the pack coverage (listed on the packaging, usually about 2 m2). A 20 m2 room with 10% waste needs 22 m2, which equals about 11 packs at 2 m2 content.

How to order the right amount at the hardware store?

Use the calculator to determine the exact order quantity and print the shopping list. Always order slightly more than calculated - for tiles 1-2 extra boxes, for wallpaper one reserve roll. This protects against breakage, cutting errors, and future repairs.

What does material delivery cost?

For bulk materials like gravel or sand, expect about EUR 80 base fee plus about EUR 2.50 per kilometer distance. A truck holds 15-18 tonnes - smaller quantities are more expensive per tonne. Hardware stores often deliver tiles and flooring free within their area for orders above EUR 50-100.

Can I return leftover material?

Most hardware stores accept unbroken original packaging within 30 days. This does not apply to custom cuts or mixed paints. For tiles, it is still worth keeping 1-2 boxes as reserve - reordering later may result in a different batch with color variation.

Is a professional worth it or is DIY enough?

Simple painting and laminate installation are well suited for DIY - the material calculator helps with planning. Tiling requires more experience, especially diagonal patterns and wet areas. For bulk material projects like paving or drainage, a professional is often worthwhile as mistakes can be costly.

Laminate vs Vinyl: Material Needs & Costs Compared | Material Needs Calculator

Laminate vs. Vinyl: Key Differences

Both floor coverings are popular for renovations, but they differ fundamentally in material, properties, and price. Here is an honest comparison to help you decide.

Material and Construction

Laminate consists of an HDF carrier board with a printed decorative layer and a protective overlay. At its core, it is a wood product. Click vinyl consists of multiple PVC layers with a printed decor. Some vinyl floors have an SPC core (Stone Polymer Composite) for better stability.

Moisture Resistance

This is the biggest difference: laminate is sensitive to moisture. The HDF carrier board swells on water contact and deforms permanently. Laminate does not belong in bathrooms, kitchens (directly at the sink area), or basements. Vinyl is completely waterproof and can be installed anywhere — including bathrooms and terraces.

Cost Comparison

Entry prices: laminate from EUR 8/m2, click vinyl from EUR 15/m2. Mid-range: laminate EUR 15-25/m2, vinyl EUR 20-35/m2. Premium: laminate EUR 25-40/m2, vinyl EUR 35-60/m2. Add underlay for both (EUR 2-4/m2), skirting boards (EUR 3-8/lfm), and for laminate a PE vapor barrier (EUR 1-2/m2). Overall, vinyl is 30-50% more expensive than comparable laminate.

Durability and Care

Good laminate (wear class 32-33) lasts 15-25 years. Click vinyl has a similar lifespan but is more scratch-sensitive. Both are easy to maintain — damp mopping is sufficient. Laminate should only be wiped slightly damp, vinyl tolerates wetter mopping.

Installation and Material Needs

Both are installed as click systems that DIYers can manage. Waste is comparable: 5-10% for straight laying, 10-15% for diagonal. Material needs are calculated identically: room area plus waste, divided by pack coverage. Our material calculator computes the exact quantity for both flooring types.

Conclusion

Laminate is the more affordable choice for dry living spaces. Vinyl is the better option for wet rooms, kitchens, and when impact sound is a concern. Both coverings look convincingly real thanks to modern printing technology and offer good value for money.