Home & DIY calculators
36 free home & diy tools, each with the formula and step-by-step working.
- Air Conditioner Size CalculatorBTU capacity for a room.
- Asphalt CalculatorTons of asphalt for a driveway.
- Baseboard CalculatorLinear feet of trim for a room.
- BTU CalculatorHeating and cooling capacity a room needs.
- Carpet CalculatorSquare yards of carpet and cost.
- Cinder Block CalculatorBlocks, mortar and cost for any CMU wall, including waste allowance.
- Concrete CalculatorCubic yards and bags for slabs, footings and posts.
- Deck CalculatorBoards, joists and cost for a deck.
- Drywall CalculatorSheets, screws and compound needed.
- Electricity Cost CalculatorWhat any appliance costs to run per day, month and year.
- Fence CalculatorPosts, rails and pickets needed.
- Firewood Cord CalculatorCords in a stack and cost per cord.
- Flooring CalculatorBoxes of flooring and cost.
- Garden Soil CalculatorCubic yards of soil or compost for a bed.
- Generator Size CalculatorWatts needed to run your home.
- Gravel CalculatorTons and cubic yards of gravel for any area.
- Insulation CalculatorBatts or rolls needed by R-value.
- Lawn Fertilizer CalculatorHow many pounds of product your lawn needs.
- Mortar CalculatorBags of mortar for block or brick.
- Mulch CalculatorBags or yards of mulch for your beds.
- Paint CalculatorGallons needed for walls, doors and windows deducted.
- Pool Volume CalculatorGallons in a pool, plus chlorine dosing.
- Rainwater Harvesting CalculatorWater you can collect from your roof.
- Rebar CalculatorRebar length and tie count for a slab.
- Roof Pitch CalculatorPitch, angle, rafter length and roof area.
- Septic Tank Size CalculatorTank capacity for your household.
- Sod CalculatorRolls or pallets of turf needed.
- Solar Panel CalculatorSystem size, panel count and payback period.
- Square Footage CalculatorRoom area for flooring, paint and materials.
- Stair Runner Length CalculatorRunner length for straight stairs, winders, mid-landings and half-landings.
- Tile CalculatorTile count, boxes and grout for any surface.
- Topsoil CalculatorCubic yards and tons of topsoil.
- Wallpaper CalculatorRolls needed, allowing for pattern repeat.
- Water Heater Size CalculatorTank or tankless size for your home.
- Wire Gauge CalculatorCable size for current, length and voltage drop.
- Yards to Tons CalculatorConvert cubic yards of gravel, sand, topsoil or asphalt to tons.
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