Moulding Room Calculator

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Moulding adds undeniable beauty to any room. This Moulding calculator enables you to estimate how much you will need to complete your moulding project. In-store associates can help you coordinate the outputs of the calculator with the actual number of pieces you will need to purchase; Lowe’s sells many specified lengths of moulding for your convenience.
Let's Get Started

Enter Room Length and Width

Length Width
ft. in. ft. in.

Enter Waste Factor %

Add Doors and Windows

Enter Windows and Sizes

Width Height Qty
x x
ft. in. ft. in.
Add Windows

Enter Doors and Sizes

Width Height Qty
x x
ft. in. ft. in.
Add Door

Room Length and Width

Window Sizes

Door Sizes

Waste Factor %

Quantities Needed (Linear Ft)


Chair Rail



Shoe / Quarter Rd

Moulding sold in specified lengths
This moulding calculator is designed for estimation purposes only. Please see your Lowe's store associate for more assistance with your room buildup.