DIY Interior Calculator | Paint, Wallpaper, Tile, Noise

Paint Coverage Calculator

Calculate the amount of paint (Liters) needed based on wall area. (Based on standard water-based paint)

Width (m)

Height (m)

Exclude Area (Doors/Windows)

Number of Coats

Result

Enter details and
click Calculate.

Required Paint

0 L

* Approx. 6.5㎡ coverage per 1L (2 coats)
* Includes 10% waste/loss margin.

Wallpaper Roll Calculator

Estimate the number of wallpaper rolls based on room perimeter and height.

Room Perimeter (m)

Wall Height (m)

Wallpaper Type

Result

Enter details and
click Calculate.

Required Wallpaper

0 Rolls

* Includes pattern matching waste.
* Door/window areas included as buffer.

Tile Quantity Calculator

Enter the area dimensions and tile size. (Includes margin for grout lines and breakage)

1. Area Dimensions

Width (m)

Height (m)

2. Single Tile Size

Width (mm)

Height (mm)

Estimated Quantity

Enter area and
tile size.

Total Tiles Needed

0 Pieces

Box Estimate (Ref.)

Approx. 0 Boxes

(Based on 1.44㎡ per box)

* Includes 15% loss (breakage/cuts)

Shelf Load/Sag Calculator

Check if your shelf will sag under weight. (Based on a simple beam supported at ends)

Shelf Material

Shelf Length (Span, mm)

Shelf Depth (Width, mm)

Thickness (mm)

Total Load (kg)

Safety Diagnosis

Enter shelf details and
click Check.

Waiting

Expected Sag: 0 mm

* Reference only. Actual results depend on wood grade and mounting.
* Sag > 3mm is usually visible to the naked eye.

Noise Reduction Calculator

Compare current noise levels with target levels to find soundproofing solutions.

Current Noise Source (Est. dB)

Target Environment

Wall/Floor Area (㎡)

Sound Solution

Select conditions.

Required Reduction: -0 dB

💡 Recommendation:

Estimated Material:
Absorbers (500x500mm): Approx. 0 pcs