How much more flooring does herringbone use?

Budget 15% to 20% waste against 5% to 8% for a straight lay in the same room, so roughly 10% more material. In a 20 m² room that is about two extra packs.

Why does herringbone waste so much?

Every board that meets a wall is cut at an angle, which produces triangular offcuts. Unlike the square offcuts of a straight lay, most triangles cannot start another row, so they go in the skip.

Can I lay herringbone in a small room?

Yes, but expect the top of the waste range, because more wall per square metre means proportionally more angled cuts. Small rooms also make board size matter more, so smaller herringbone boards suit smaller rooms.

Herringbone flooring calculator

Herringbone is the pattern where generic flooring calculators go wrong. Every board meets the wall at 45°, or 90° in double herringbone, which produces triangular offcuts that mostly cannot be reused. Allow 15% to 20% waste, not the 8% to 10% a straight lay needs. This calculator starts from that assumption.

Where you land inside 15% to 20% depends on your room. Large open rectangles sit near 15%, while hallways, bays and rooms full of doorways push towards 20%. When the flooring costs serious money, the way to pin the number down is to lay the pattern out board by board, which is exactly what the designer does.

Room length (m)Room width (m)Extra area, alcoves or bays (m², optional)Pack coverage (m², printed on the pack, optional)Laying pattern & roomWaste allowance (%), typical for this pattern: 15-20%

Floor area

To buy (+18% waste)

Packs to buy

This is the estimate. The designer lays out every board in your actual room, so the pack count comes from real cuts, not a flat percentage.

See the actual layout free

Chevron wastes slightly differently

Chevron (the Hungarian point) boards are mitre-cut so the rows meet in a straight line. The end cuts are built into every board, but the wall cuts still waste heavily, so budget the same 15% to 20% and see the chevron guide for the differences.

Dedicated herringbone boards only

Herringbone needs boards sold for the pattern: right- and left-handed in real wood, or shorter symmetric boards in laminate and LVT. Standard planks cannot simply be laid in herringbone.

The starting rows set the whole floor

Herringbone is unforgiving, because an error in the first spine row carries through everywhere. Plan the centreline and the border strategy before the first cut, which is what the layout preview is for.

Frequently asked questions

How much more flooring does herringbone use?: Budget 15% to 20% waste against 5% to 8% for a straight lay in the same room, so roughly 10% more material. In a 20 m² room that is about two extra packs.
Why does herringbone waste so much?: Every board that meets a wall is cut at an angle, which produces triangular offcuts. Unlike the square offcuts of a straight lay, most triangles cannot start another row, so they go in the skip.
Can I lay herringbone in a small room?: Yes, but expect the top of the waste range, because more wall per square metre means proportionally more angled cuts. Small rooms also make board size matter more, so smaller herringbone boards suit smaller rooms.