Construction materials calculators
Work out how much cement, hollow blocks, steel, lumber, roofing, tiles and paint you need for your project, using standard Philippine estimating rates. Free to use, and one click sends your list to 3M1 Hardware Kidapawan for a quote.

Pick your calculator
Each construction materials calculator works on your phone. Enter your measurements, see the quantities straight away, and request a price in one click.
Cement calculator
How many bags of cement for a slab, footing or column.
- Bags of cement (40kg)
- Sand and gravel in cubic metres
- Class AA, A, B and C mixes
Hollow blocks calculator
How many CHB for a wall, with cement and sand for laying and plastering.
- 4" and 6" hollow blocks
- Cement and sand for mortar
- Plaster one or both sides
Rebar weight calculator
Total metres and weight for any bar size and number of pieces.
- Deformed and plain round bars
- Square bars
- Any size in mm, 6m lengths
Tile calculator
How many tiles and boxes for a room, plus everything to lay them.
- Tiles and boxes, with optional extra for cuts
- Tile adhesive or cement and sand bed
- Grout and tile spacers
Paint calculator
How many gallons of paint and primer for your walls.
- Gallons of topcoat
- Gallons of primer
- 1, 2 or 3 coats, minus doors and windows
Board foot calculator
Total board feet for your lumber list, plus plywood sheets for ceilings and walls.
- Up to 3 lumber sizes
- Total board feet and pieces
- Plywood sheets (4 x 8 ft)
Roofing sheet calculator
How many roofing sheets (sin or yero) for a shed or gable roof.
- Long-span or corrugated sheets
- Roof insulation
- Ridge roll and tek screws
From measurements to materials in three steps
Enter your sizes
Type in your slab, wall, roof, room, lumber or bar measurements. The results update as you type.
Choose your options
Pick the mix, block size, tile size, laying method or number of coats, and whether to add extra for breakage.
Get a price
Click "Get a price for this". Your quantities go straight into our quote form, and we reply with a price.
Common questions
Are the calculators free?
Yes. Use them as often as you like, with no sign-up. When you're ready, the "Get a price for this" button sends your results to us for a free quote.
How accurate are the results?
They use standard Philippine estimating rates for concrete mixes, CHB mortar, plaster, tiles and paint coverage. Real quantities vary with your plans, site and workmanship, so treat them as a guide and confirm with your engineer, foreman or contractor.
Can I get a price from the calculator?
Yes. Click "Get a price for this" under any calculator. Your quantities go straight into our quote form, so you only add your name and number.
Do you deliver the materials?
Yes, across Kidapawan City and nearby towns, and further for bigger orders. See our delivery areas.
Can you work out a whole house?
Send us your plans or a list of what you're building and our staff will help you put together the full materials list.
Estimates only. Quantities are based on standard rates and will vary with your plans, site conditions, materials and workmanship. Always confirm quantities with your engineer, foreman or contractor before ordering.
