Home & DIY Calculators

Garden Volumes

• Compost Bag Quantity Calculator

  Estimate the whole bags of compost needed from required volume and volume per bag.

• Compost Bulk Bag Calculator

  Estimate the whole bulk bags of compost needed from required volume and volume per bulk bag.

• Compost Cost Calculator

  Estimate the purchase cost of compost from a whole bag count and price per bag.

• Compost Depth Calculator

  Calculate the achievable depth of compost from available volume and a measured area.

• Compost Volume Calculator

  Calculate the volume of compost for a measured area and uniform depth.

• Gravel Bag Quantity Calculator

  Estimate the whole bags of gravel needed from required volume and volume per bag.

• Gravel Bulk Bag Calculator

  Estimate the whole bulk bags of gravel needed from required volume and volume per bulk bag.

• Gravel Cost Calculator

  Estimate the purchase cost of gravel from a whole bag count and price per bag.

• Gravel Depth Calculator

  Calculate the achievable depth of gravel from available volume and a measured area.

• Gravel Volume Calculator

  Calculate the volume of gravel for a measured area and uniform depth.

• Mulch Bag Quantity Calculator

  Estimate the whole bags of mulch needed from required volume and volume per bag.

• Mulch Bulk Bag Calculator

  Estimate the whole bulk bags of mulch needed from required volume and volume per bulk bag.

• Mulch Cost Calculator

  Estimate the purchase cost of mulch from a whole bag count and price per bag.

• Mulch Depth Calculator

  Calculate the achievable depth of mulch from available volume and a measured area.

• Mulch Volume Calculator

  Calculate the volume of mulch for a measured area and uniform depth.

• Raised Bed Soil Bag Quantity Calculator

  Estimate the whole bags of raised-bed soil needed from required volume and volume per bag.

• Raised Bed Soil Bulk Bag Calculator

  Estimate the whole bulk bags of raised-bed soil needed from required volume and volume per bulk bag.

• Raised Bed Soil Cost Calculator

  Estimate the purchase cost of raised-bed soil from a whole bag count and price per bag.

• Raised Bed Soil Depth Calculator

  Calculate the achievable depth of raised-bed soil from available volume and a measured area.

• Raised Bed Soil Volume Calculator

  Calculate the volume of raised-bed soil for a measured area and uniform depth.

• Topsoil Bag Quantity Calculator

  Estimate the whole bags of topsoil needed from required volume and volume per bag.

• Topsoil Bulk Bag Calculator

  Estimate the whole bulk bags of topsoil needed from required volume and volume per bulk bag.

• Topsoil Cost Calculator

  Estimate the purchase cost of topsoil from a whole bag count and price per bag.

• Topsoil Depth Calculator

  Calculate the achievable depth of topsoil from available volume and a measured area.

• Topsoil Volume Calculator

  Calculate the volume of topsoil for a measured area and uniform depth.

Heating & energy savings

• Gas Heating Running Cost Calculator

  Estimate gas heating costs from measured gas kWh or the useful heat your home needs.

• Heating Temperature Savings Calculator

  Explore how changing an indoor heating temperature affects a simple heat-loss model.

• Home Insulation Savings Calculator

  Turn an expected reduction in heating costs into monthly and yearly savings.

• Solar Panel Payback Calculator

  Estimate a solar-panel system’s simple payback using installation cost, generation, self-use and export payments.

Linear Materials

• Coving Cost Calculator

  Estimate the linear material cost of coving from purchase length and price per selected length unit.

• Coving Joint Count Calculator

  Estimate the minimum joins in coving from total required length and stock-piece length.

• Coving Length Calculator

  Calculate the net length of coving after deducting excluded sections from the measured total.

• Coving Piece Quantity Calculator

  Estimate the whole pieces of coving from required linear length and usable length per piece.

• Coving Waste Allowance Calculator

  Add a chosen cutting allowance for coving to a base linear length.

• Curtain Pole Bracket Spacing Calculator

  Calculate the distance between the outer brackets of a curtain pole from pole length and equal end insets.

• Curtain Pole Centre Position Calculator

  Find the window centre position for a curtain pole from its left-edge position and width.

• Curtain Pole Cost Calculator

  Estimate the linear material cost of curtain pole from purchase length and price per selected length unit.

• Curtain Pole Length Calculator

  Calculate the length of a curtain pole from window width and chosen overhang per side.

• Curtain Pole Overhang Calculator

  Calculate the equal overhang of a curtain pole on each side of a window.

• Fence Panels Cost Calculator

  Estimate the linear material cost of fence panels from purchase length and price per selected length unit.

• Fence Panels Length Calculator

  Calculate the net length of fence panels after deducting excluded sections from the measured total.

• Fence Panels Piece Quantity Calculator

  Estimate the whole pieces of fence panels from required linear length and usable length per piece.

• Fence Panels Waste Allowance Calculator

  Add a chosen cutting allowance for fence panels to a base linear length.

• Fence Post Spacing Calculator

  Calculate average panel/post spacing for fence panels from the fence run and number of panel spans.

• Garden Edging Cost Calculator

  Estimate the linear material cost of garden edging from purchase length and price per selected length unit.

• Garden Edging Length Calculator

  Calculate the net length of garden edging after deducting excluded sections from the measured total.

• Garden Edging Peg Spacing Calculator

  Calculate average peg spacing for garden edging from a run length and total number of pegs.

• Garden Edging Piece Quantity Calculator

  Estimate the whole pieces of garden edging from required linear length and usable length per piece.

• Garden Edging Waste Allowance Calculator

  Add a chosen cutting allowance for garden edging to a base linear length.

• Skirting Board Cost Calculator

  Estimate the linear material cost of skirting board from purchase length and price per selected length unit.

• Skirting Board Joint Count Calculator

  Estimate the minimum joins in skirting board from total required length and stock-piece length.

• Skirting Board Length Calculator

  Calculate the net length of skirting board after deducting excluded sections from the measured total.

• Skirting Board Piece Quantity Calculator

  Estimate the whole pieces of skirting board from required linear length and usable length per piece.

• Skirting Board Waste Allowance Calculator

  Add a chosen cutting allowance for skirting board to a base linear length.

Room & Furniture Layout

• Coat Hooks Centred Layout Calculator

  Calculate the equal side margins for coat hooks when centring one item within an available width.

• Coat Hooks Count Calculator

  Calculate how many coat hooks fit in a row with a chosen minimum edge gap.

• Coat Hooks Fit Check Calculator

  Check whether a row of coat hooks fits from available width, item width and whole count.

• Coat Hooks Required Width Calculator

  Calculate the total width required for coat hooks from equal item widths and internal edge gaps.

• Coat Hooks Spacing Calculator

  Calculate equal edge gaps between coat hooks in a row spanning the available width.

• Dining Chairs Centred Layout Calculator

  Calculate the equal side margins for dining chairs when centring one item within an available width.

• Dining Chairs Count Calculator

  Calculate how many dining chairs fit in a row with a chosen minimum edge gap.

• Dining Chairs Fit Check Calculator

  Check whether a row of dining chairs fits from available width, item width and whole count.

• Dining Chairs Required Width Calculator

  Calculate the total width required for dining chairs from equal item widths and internal edge gaps.

• Dining Chairs Spacing Calculator

  Calculate equal edge gaps between dining chairs in a row spanning the available width.

• Gallery Wall Frames Centred Layout Calculator

  Calculate the equal side margins for gallery-wall frames when centring one item within an available width.

• Gallery Wall Frames Count Calculator

  Calculate how many gallery-wall frames fit in a row with a chosen minimum edge gap.

• Gallery Wall Frames Fit Check Calculator

  Check whether a row of gallery-wall frames fits from available width, item width and whole count.

• Gallery Wall Frames Required Width Calculator

  Calculate the total width required for gallery-wall frames from equal item widths and internal edge gaps.

• Gallery Wall Frames Spacing Calculator

  Calculate equal edge gaps between gallery-wall frames in a row spanning the available width.

• Pendant Lights Centred Layout Calculator

  Calculate the equal side margins for pendant lights when centring one item within an available width.

• Pendant Lights Count Calculator

  Calculate how many pendant lights fit in a row with a chosen minimum edge gap.

• Pendant Lights Fit Check Calculator

  Check whether a row of pendant lights fits from available width, item width and whole count.

• Pendant Lights Required Width Calculator

  Calculate the total width required for pendant lights from equal item widths and internal edge gaps.

• Pendant Lights Spacing Calculator

  Calculate equal edge gaps between pendant lights in a row spanning the available width.

• Shelf Count From Wall Height Calculator

  Calculate the maximum count of shelves within a wall height using shelf thickness and a minimum clear gap.

• Shelf Layout Fit Calculator

  Check the required height of shelves and the space left within an available wall height.

• Shelf Layout Required Height Calculator

  Calculate the total height required for shelves from shelf count, thickness and clear vertical gaps.

• Shelf Stack Centring Calculator

  Calculate the top and bottom margins for shelves when centring a complete shelf stack within a wall height.

• Shelf Vertical Spacing Calculator

  Calculate equal clear gaps between shelves from wall height, shelf thickness and whole shelf count.

Surface Materials

• Floor Tiles Cost Calculator

  Estimate the material cost of floor tiles from purchase quantity and matching unit price.

• Floor Tiles Coverage Calculator

  Calculate the area covered by floor tiles from a whole unit count and usable coverage per unit.

• Floor Tiles Pack Size Comparator

  Compare the unit value of floor tiles by dividing each pack price by its usable coverage.

• Floor Tiles Quantity Calculator

  Estimate the whole purchase units of floor tiles from area and usable coverage per unit.

• Floor Tiles Waste Allowance Calculator

  Add a chosen waste allowance for floor tiles to a base material quantity.

• Laminate Flooring Cost Calculator

  Estimate the material cost of laminate flooring from purchase quantity and matching unit price.

• Laminate Flooring Coverage Calculator

  Calculate the area covered by laminate flooring from a whole unit count and usable coverage per unit.

• Laminate Flooring Pack Size Comparator

  Compare the unit value of laminate flooring by dividing each pack price by its usable coverage.

• Laminate Flooring Quantity Calculator

  Estimate the whole purchase units of laminate flooring from area and usable coverage per unit.

• Laminate Flooring Waste Allowance Calculator

  Add a chosen waste allowance for laminate flooring to a base material quantity.

• Patio Slabs Cost Calculator

  Estimate the material cost of patio slabs from purchase quantity and matching unit price.

• Patio Slabs Coverage Calculator

  Calculate the area covered by patio slabs from a whole unit count and usable coverage per unit.

• Patio Slabs Pack Size Comparator

  Compare the unit value of patio slabs by dividing each pack price by its usable coverage.

• Patio Slabs Quantity Calculator

  Estimate the whole purchase units of patio slabs from area and usable coverage per unit.

• Patio Slabs Waste Allowance Calculator

  Add a chosen waste allowance for patio slabs to a base material quantity.

• Wall Paint Cost Calculator

  Estimate the material cost of wall paint from purchase quantity and matching unit price.

• Wall Paint Coverage Calculator

  Calculate the area covered by wall paint from a whole unit count and usable coverage per unit.

• Wall Paint Pack Size Comparator

  Compare the unit value of wall paint by dividing each pack price by its usable coverage.

• Wall Paint Quantity Calculator

  Estimate the whole purchase units of wall paint from area and usable coverage per unit.

• Wall Paint Waste Allowance Calculator

  Add a chosen waste allowance for wall paint to a base material quantity.

• Wallpaper Cost Calculator

  Estimate the material cost of wallpaper from purchase quantity and matching unit price.

• Wallpaper Coverage Calculator

  Calculate the area covered by wallpaper from a whole unit count and usable coverage per unit.

• Wallpaper Pack Size Comparator

  Compare the unit value of wallpaper by dividing each pack price by its usable coverage.

• Wallpaper Quantity Calculator

  Estimate the whole purchase units of wallpaper from area and usable coverage per unit.

• Wallpaper Waste Allowance Calculator

  Add a chosen waste allowance for wallpaper to a base material quantity.

Plan a painting purchase

Estimate litres using your measured area and product coverage, then enter the litres and price per litre to check material cost.

1. 1. Paint quantity
2. 2. Paint cost

Common questions