Skirting Length Calculator(Length, Pieces, Boxes & Cost)
Estimate skirting length, pieces, boxes, and cost.
Calculate total skirting running length after door and opening deductions. Adjust room size, openings, skirting height, piece length, wastage, and price.
🕒 Last updated: April 16, 2026
Inputs
Room length and width were carried over from your tile calculation. You can edit them before estimating skirting.
ℹ️Enter total width of doors or openings where skirting is not installed.
ℹ️Use tile strip length, board length, or the purchasable skirting piece length.
ℹ️Used only when price per piece is not entered.
Net Skirting Length
26.00 m
Room perimeter: 26.00 m
Opening deduction: 0.00 m
Skirting area: 2.60 m2
Pieces before wastage: 44
Recommended Skirting
(Including 10% wastage)
48 pieces
Final length: 28.60 m
Wastage length: 2.60 m
Final area: 2.86 m2
Approximate results for planning only. Verify with a professional.
Popular skirting calculator examples
Skirting running length
This page focuses on net running length from room perimeter.
This page is pre-filled for this skirting use case. Change any input and the calculator results update from the active values.
- Opening deducted.
- Wastage: 5%.
- Length output first.
What is the purpose of this Skirting Calculator?
This skirting calculator helps estimate the running length, pieces, boxes, area, wastage, and cost required for room skirting work. It is useful for tile skirting, wooden skirting, MDF skirting, PVC skirting, stone skirting, marble strips, and similar finishing materials.
Skirting is usually installed along the bottom edge of walls to protect the wall finish, cover floor and wall joints, and create a neat transition between the floor and wall. The quantity is mainly based on room perimeter, but door openings and other gaps must be deducted for a realistic estimate.
The calculator is designed for early material planning and purchase estimation. It helps you avoid under-ordering, reduce leftover pieces, compare suppliers, and plan installation cost before starting finishing work.
- Calculate net skirting length after opening deductions
- Estimate skirting area from height and running length
- Find pieces and boxes based on available piece length
- Add wastage for cuts, corners, breakage, and matching
- Estimate cost from price per piece or price per meter
For complete finishing material planning, you can also use the tile calculator, grout calculator, tile adhesive calculator, and paint calculator.
How skirting quantity is calculated
Skirting quantity is calculated from the room perimeter. Opening deductions are subtracted, wastage is added, and the final length is divided by the purchasable piece length.
Step 1 - Calculate Room Perimeter
Step 2 - Deduct Openings
Opening deduction includes the total width of doors, large openings, or wall portions where skirting will not be installed.
Step 3 - Calculate Skirting Area
Step 4 - Add Wastage
Wastage length = Net length x Wastage %
Final length = Net length + Wastage length
Step 5 - Calculate Pieces and Boxes
Pieces required = Final length / Piece length, rounded up
Boxes required = Final pieces / Pieces per box, rounded up
Calculation example for Skirting Length Calculator
This example uses the active room dimensions, opening deduction, skirting height, piece length, wastage, and optional price inputs from this programmatic calculator page.
- Room Size = 8 m x 5 m
- Opening Deduction = 0 m
- Skirting Height = 100 mm
- Piece Length = 600 mm
- Wastage = 10%
Step 1 - Calculate room perimeter
Perimeter = 2 x (Length + Width) = 26 m
Step 2 - Deduct openings and calculate skirting area
Opening Deduction = 0 m
Net Skirting Length = 26 m
Skirting Area = 2.6 m²
Step 3 - Add wastage
Wastage Length = 2.6 m
Final Length = 28.6 m
Final Area = 2.86 m²
Step 4 - Calculate pieces, boxes, and cost
Base Pieces = 44
Final Pieces = 48
Boxes = enter pieces per box
Cost is shown when piece or length rate is entered.
For this page, plan for 48 skirting pieces covering about 28.6 m after wastage.
Skirting reference table
| Skirting type | Typical height | Common piece length | Typical wastage |
|---|---|---|---|
| Tile skirting | 75 to 100 mm | 300 to 1200 mm | 5% to 10% |
| Wood or MDF skirting | 75 to 150 mm | 2.4 to 3.0 m | 5% to 12% |
| PVC skirting | 50 to 100 mm | 2.0 to 3.0 m | 5% to 10% |
| Stone or marble skirting | 75 to 150 mm | Custom strips | 10% to 15% |
These values are practical planning ranges. Always confirm actual skirting height, strip length, packaging, and installation requirements with your supplier or contractor.
When should you use this skirting calculator?
- Estimating tile skirting for floors and wall edges
- Planning wooden, MDF, PVC, stone, or marble skirting boards
- Calculating pieces and boxes before buying material
- Deducting door openings from room perimeter
- Comparing price per piece and price per running meter
- Preparing preliminary finishing cost estimates
Limitations of skirting estimation
This calculator provides a planning estimate based on rectangular room dimensions and total opening deduction. Actual site requirements can vary depending on wall alignment, corner treatment, supplier lengths, cutting method, and installation workmanship.
- It does not separately count internal corners, external corners, end caps, or trim accessories.
- It assumes a simple rectangular room perimeter.
- It does not account for curved walls, columns, niches, or irregular room shapes.
- It does not calculate adhesive, screws, nails, clips, primer, polish, or paint separately.
- Supplier packaging and available lengths may change final purchase quantity.
For painted skirting or wall touch-ups after installation, use the paint calculator to estimate paint quantity for the affected surfaces.
Skirting estimation tips
- Measure every door and opening where skirting will not be installed.
- Use the actual purchasable board or strip length, not just the design module.
- Add more wastage for rooms with many corners, short returns, or diagonal cuts.
- For tile skirting, align strip length with the tile size to reduce visual mismatch.
- For wood, MDF, or PVC skirting, confirm whether corner trims and end caps are sold separately.
- Buy a small extra allowance when color, grain, or tile batch matching is important.
For nearby finishing work, the floor screed calculator can help estimate leveling material before tiles and skirting are installed.