Free workshop calculators
Plan it before you cut it
Free visual calculators for spacing, cutting and laying out boards, slats and tiles. Enter your sizes, pick your own spacing rules and get a scaled drawing, exact positions and a shopping list.
1 : 20
- 01MeasureEnter your sizes in mm, cm or inches.
- 02See it drawnA scaled drawing updates as you type.
- 03Cut & buyGet exact marks, a cut plan and a shopping list.
Calculators
13- 01Equal spacingBalusters, slats, pickets, posts or shelves — evenly spaced with exact marks.
- 02Cut list optimizerWhich boards to buy and how to cut them with the least waste.
- 03Tiles & flooringTiles, laminate or vinyl planks: layout drawing, cut pieces and packs to buy.
- 04Deck boardsBoard rows, joints on joists, staggering, screws and a cutting plan.
- 05Slat wallWood or acoustic slat wall: spacing, slat count, drawing and boards to buy.
- 06PergolaPosts, beams, rafters and top slats: plan drawing, cut lists and connections.
- 07StairsStraight stairs: risers, treads, step formula, pitch, stringer length and cut angles.
- 08Concrete footingsPost footings for a pergola, fence, carport or deck: concrete volume, bags, ready-mix and digging.
- 09Drywall partitionMetal stud wall: studs, track, boards, screws, tape and filler with a scaled drawing.
- 10SAM KIT slatsRotating slats with SAM KIT: how many slats and SAM KIT pairs your opening needs.
- 11Sun & louvresSun position, louvre tilt that blocks direct sun, and the shadow of an overhang — with a day chart.
- 12Christmas treeWooden A-frame tree from boards: leg lengths, cut angles and a cut list.
- 13Unit converterLength, area, volume and weight: mm, cm, inches, feet, m², litres, gallons, kg, pounds.