Free · No sign-up · Works on your phone
Free tools for your project
Simple tools that answer the everyday questions of building: how many, how heavy, how thick. Each one takes a minute and needs no technical knowledge.
Tool 1
Measurement Calculator
"How many panels, fence posts or roofing sheets do I need?"
Enter the size of your building, fence or roof. You get the number of panels, posts, sheets and square metres, with a live drawing.
Useful for: Building owners, contractors, site engineers
Tool 2
Steel Weight Calculator
"How much does my steel weigh?"
Pick a beam, channel, angle, tube, flat bar or plate and the size. You get kg per metre, the total weight and pieces per tonne, plus full size tables.
Useful for: Fabricators, buyers, transport planners
Tool 3
Material List Builder
"How do I list everything my project needs?"
Make a tidy list of all items with sizes and quantities. It saves by itself, downloads to Excel, prints, and goes to OGB for one quotation.
Useful for: Anyone planning a project or a purchase
Tool 4
Gauge & Unit Converter
"What is 18 gauge in mm? How many m² is 1,000 sq ft?"
Change sheet gauge to millimetres, feet and inches to metres, square feet to square metres, kg to tonnes, and pipe inch sizes to mm.
Useful for: Everyone reading drawings, quotes or site notes
Tool 5
RAL Colour Picker
"Which colour should my roof, walls and fence be?"
Try RAL colours on a building picture: roof, walls, trims and fence. See them together, then send the colour codes for a quote.
Useful for: Building owners, architects, contractors
Tool 6
Cold Room Panel Selector
"How thick should my cold room panels be, and how many do I need?"
Choose what you store and type the room size. You get the panel thickness, the number of wall and ceiling panels, and floor advice.
Useful for: Food, pharma and logistics businesses, cold room builders
Accurate
Numbers come from published standards and section tables, and every formula is shown on the page.
Private
Nothing you type is sent anywhere unless you choose to send it to OGB for a quote.
No prices, no sign-up
Use the tools as often as you like. When you are ready, one click turns your result into a quote request.