Explore with Decords
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Wall Putty & Skim Coat Calculator: Quantity and Cost
Estimate wall filler from area, average thickness and product-specific consumption. Calculate whole bags or tubs, working reserve, existing stock and cost.
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Wallpaper Paste Calculator: Packs, Water and Cost
Estimate wallpaper adhesive from actual pasted area and product-label coverage. Calculate whole packets or tubs, powder mixing water and optional cost.
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Wall Moulding Calculator: Frame Sizes and Cutting Plan
Calculate rectangular wall moulding frame sizes and a practical whole-piece cutting plan, with stock, spare lengths, packs and cost.
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Roman Blind Fabric Calculator: Main Fabric and Lining
Calculate fabric and lining for flat Roman blinds. Get cut sizes, rod-pocket allowances, width checks, vertical joins, purchase lengths and fabric cost.
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Cushion Cover Fabric Calculator: Cut Sizes and Length
Calculate fabric for envelope or zip cushion covers. Get cut sizes, a row layout, metres or yards, shrinkage allowances and optional fabric cost.
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Acoustic Panel Coverage Calculator: Panels and Packs
Estimate acoustic panel quantities, packs and cost for your chosen coverage target. Includes installed panels, usable stock, spares and a worked example.
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LED Strip Power Supply Calculator: Watts and Amps
Calculate LED strip watts, DC current and a power supply sizing target. Add multiple strip groups, loading allowance, derating and an optional candidate check.
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Stair Runner Calculator: Length, Allowances and Cost
Calculate stair runner length from a measured path or separate tread and riser counts. Add finishing, pattern allowance, reserve and sale-increment rounding.
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Window Tint VLT Calculator: Glass, Film and Target VLT
Estimate combined glass and film light transmission, calculate a film-only target or compare known finished VLT. Includes formulas and clear data-sheet guidance.
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Ceiling Tile Calculator: Layout, Borders, Cartons and Cost
Plan a rectangular ceiling with equal opposite borders. Calculate full and cut panel positions, extra spares, cartons and optional material cost.
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Tile Adhesive Calculator: Bags, Coverage and Cost
Estimate tile adhesive bags, tubs or complete kits from area and product coverage. Compare a single rate or a range, include reserve and usable stock, and calculate purchase cost.
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Self-Leveling Compound Calculator: Bags and Cost
Estimate floor levelling compound from measured area, average layer depth and your product data. Calculate whole bags, usable stock and additional purchase cost.
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Epoxy Resin Calculator: Volume, Kits and Cost
Estimate combined resin and hardener for flat rectangular or round projects. Add reserve and cutouts, then calculate complete kits and cost.
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Picture Frame and Mat Size Calculator
Find the frame insert size and mat borders for a print or photo. Includes edge overlap, bottom weighting, existing-frame fit checks and clear examples.
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Curtain Fabric Calculator: Metres, Yards and Cost
Estimate curtain face fabric, full-width drops, cutting length and cost. Account for fullness, sewing allowances, straight pattern repeats and buying increments.
