Free Online Calculators
Finance, math, health, construction, and everyday tools in one searchable catalog.
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Fence Calculator — Panels, Posts, Gates & Cost
Fence Picket Calculator — Boards, Gaps & Layout
Firewood Cord Calculator — Stack & Delivery Check
French Drain Calculator — Gravel, Pipe & Fabric
Grass Seed Calculator — Lawn Areas, Bags & Cost
Gravel Calculator — Volume, Tons, Bags & Delivery
Grout Calculator — Coverage & Package Purchase Plan
Insulation Calculator — Packages, Layers & Cost
Laminate Flooring Calculator — Layout, Cartons & Cost
Mulch Calculator — Beds, Bags, Bulk & Cost
Paver Calculator — Patio Layout, Base & Packs
Picture Frame Calculator — Dimensions & Cut List
Calculator descriptions
Fence Calculator — Panels, Posts, Gates & Cost
Plan fence panels, shared posts and gate openings for connected or separate runs. Compare material, delivery and installation quotes.
Fence Picket Calculator — Boards, Gaps & Layout
Plan individual fence pickets across unequal bays. See even gaps, inspect board positions, add whole spare boards and print your layout.
Firewood Cord Calculator — Stack & Delivery Check
Measure one or more compact firewood stacks, compare them with a full cord and check the quantity on a receipt.
French Drain Calculator — Gravel, Pipe & Fabric
Plan a French drain with changing ground levels. Estimate gravel, pipe pieces, fabric rolls and your material costs with a live trench profile.
Grass Seed Calculator — Lawn Areas, Bags & Cost
Plan seed for multiple lawn areas using your product label. Combine new lawns and overseeding, subtract existing seed and buy whole bags.
Gravel Calculator — Volume, Tons, Bags & Delivery
Estimate gravel for rectangular, circular or measured areas. Compare cubic yards, tons, bags, supplier order increments and delivery costs.
Grout Calculator — Coverage & Package Purchase Plan
Plan grout for floors, walls and backsplashes. Combine product-specific coverage, keep colours separate, and get whole packages, remainder and an optional cost.
Insulation Calculator — Packages, Layers & Cost
Plan batts, rolls or loose-fill bags from product-label coverage. Combine surfaces, keep products separate and build a purchase list with your own quotes.
Laminate Flooring Calculator — Layout, Cartons & Cost
Plan laminate for multiple rooms. Compare row direction, reuse compatible offcuts and calculate separate carton orders with existing stock and your prices.
Mulch Calculator — Beds, Bags, Bulk & Cost
Plan mulch for multiple garden beds, subtract existing layers and stock, then compare whole bags with bulk delivery using your quotes.
Paver Calculator — Patio Layout, Base & Packs
Plan a patio or path: compare straight paver layouts, count cuts and estimate base, bedding, packs and supplier costs.
Picture Frame Calculator — Dimensions & Cut List
Plan a rabbeted picture frame from its package, outside or visible opening. Get finished rail dimensions, a feasible stock cutting plan and a printable shop sheet.
