Clear guidance behind every calculation.

How to measure a room for paint

Measure wall perimeter, height, ceilings, doors, and windows for a paint estimate you can audit.

How much paint does a gallon cover?

Compare gallon, five-gallon, quart, and litre paint coverage, then adjust label area for coats, porosity, and waste.

How much does a can of spray paint cover?

Estimate spray-paint cans from label coverage, coats, object geometry, surface texture, and overspray loss.

Do I need one coat or two?

Choose a realistic coat count based on colour change, surface condition, sheen, and product instructions.

Guide4 min

How to subtract doors and windows

Decide which openings are worth subtracting and keep trim calculations separate.

Guide7 min

Interior painting shopping checklist

Build a practical paint-day list covering preparation, protection, application, cleanup, and safety.

Rooms, tile & pattern waste

Flooring & tile

How to measure an irregular floor

Break an L-shaped or curved floor into auditable rectangles, triangles, and circles.

Choosing a flooring waste allowance

Set waste for straight, staggered, diagonal, and pattern layouts without hiding the assumptions.

Beds, depth, bags & bulk

Mulch, soil & gravel

Landscape depth and volume explained

Convert bed area and installed depth into bags, cubic yards, or cubic metres.

Bags versus bulk landscape delivery

Compare usable volume and total delivered cost instead of package sticker prices.

Slabs, footings, posts & steps

Concrete

Guide7 min

Concrete volume and bag yield

Translate form dimensions into concrete volume and compare bag sizes using label yield.

Guide8 min

How to order ready-mix concrete

Plan a ready-mix order, ask about minimum and short-load charges, and confirm slump, volume, access, timing, and truck type.

Runs, posts, panels & gates

Fence