Free Backyard Calculators
Browse every free backyard calculator in one place. Pick a category to see all of its calculators right here, or stay on All to open our most popular calculators and the newest ones we add.
Gravel Calculator
Cubic yards and tons for a driveway, path or base layer.
Retaining Wall Calculator
Blocks, base gravel and backfill for a wall of any height.
Sprinkler Calculator
Heads, spacing and coverage for an even lawn watering layout.
Gazebo Calculator
Floor size, roof and lumber estimate for a gazebo build.
Topsoil Calculator
How much soil fills your beds and lawn at the depth you need.
Pergola Calculator
Posts, beams and rafters sized for your pergola footprint.
Outdoor Lighting Calculator
Lumens, fixtures and wiring load for patio and path lights.
Compost Calculator
Bin volume and browns to greens mix for your pile.
Walkway Calculator
Pavers, base and sand needed for a garden path.
Fire Pit Calculator
Blocks, sand and gravel for a round or square fire pit.
Chicken Coop Calculator
Coop and run size by flock count, with space per bird.
Backyard Area Calculator
Measure lawn, beds and hardscape area in square feet.
Deck Calculator
Plan a full deck with size, materials and cost in one place.
Deck Board Calculator
Count the boards needed to cover your deck, including gaps and cuts.
Deck Railing Calculator
Work out railing length, posts and balusters for your deck.
Deck Footing Calculator
Find how many footings your deck needs and where they go.
Deck Stain Calculator
Estimate the stain or sealer needed for the deck surface.
Deck Spacing Calculator
Set board and joist spacing for a strong, even deck.
Deck Weight Calculator
Estimate the dead and live load your deck must carry.
Deck Floor Calculator
Calculate flooring area and material for your deck floor.
Deck Foundation Calculator
Plan the foundation layout and concrete for your deck.
Deck Roof Calculator
Size roofing material for a covered deck.
Deck Flooring Calculator
Compare flooring quantities for wood or composite decks.
Deck Post Calculator
Count posts and work out post length for your deck.
Deck Beam Calculator
Size the beams that carry your deck joists.
Deck Size Calculator
Find the right deck size for your space and use.
Deck Height Calculator
Work out deck height, steps and railing needs.
Deck Area Calculator
Measure deck area in square feet or square metres.
Fence Calculator
Plan a full fence with posts, panels and cost in one place.
Fence Post Calculator
Count the posts needed for your fence line and spacing.
Fence Paint Calculator
Estimate the paint needed to cover your fence.
Fence Cost Calculator
Estimate the total cost of your fence project.
Fence Panel Calculator
Count the panels needed for your fence length.
Fence Board Calculator
Count the boards needed for a board fence.
Fence Stain Calculator
Estimate the stain needed for your fence boards.
Privacy Fence Calculator
Plan posts, boards and rails for a privacy fence.
Chain Link Fence Cost Calculator
Estimate the cost of a chain link fence.
Wood Fence Cost Calculator
Estimate the cost of a wood fence.
Metal Fence Cost Calculator
Estimate the cost of a metal fence.
Electric Fence Cost Calculator
Estimate the cost of an electric fence.
Fence Area Calculator
Measure the surface area of your fence.
Fence Concrete Calculator
Work out the concrete needed to set your fence posts.
Fence Gate Calculator
Size a gate and count the hardware you need.
Fence Length Calculator
Add up the total length of your fence run.
Patio Calculator
Plan a full patio with size, materials and cost in one place.
Patio Paver Calculator
Count the pavers needed to cover your patio.
Patio Cost Calculator
Estimate the total cost of your patio project.
Outdoor Tile Calculator
Calculate the tiles needed for an outdoor floor.
Patio Brick Calculator
Count the bricks needed for a brick patio.
Patio Depth Calculator
Find the right base and surface depth for your patio.
Patio Foundation Calculator
Plan the base layers under your patio.
Patio Door Calculator
Size a patio door for your opening.
Patio Material Calculator
Estimate the materials needed for your patio build.
Patio Concrete Calculator
Work out the concrete needed for a patio slab.
Patio Cover Calculator
Size a cover or awning for your patio.
Patio Area Calculator
Measure patio area in square feet or square metres.
Patio Roof Calculator
Estimate roofing material for a patio roof.
Patio Size Calculator
Find the right patio size for your space.
Patio Height Calculator
Work out the right height for your patio surface.
Patio Lighting Calculator
Plan how many lights your patio needs.
Shed Calculator
Plan a full shed with size, materials and cost in one place.
Shed Size Calculator
Choose a shed size that fits your storage needs and lot.
Carport Calculator
Plan a carport with size, posts and roof.
Greenhouse Calculator
Plan a greenhouse with size, frame and cover.
Shed Foundation Calculator
Plan the base your shed will sit on.
Shed Insulation Calculator
Estimate the insulation needed for shed walls and roof.
Shed Rafter Calculator
Work out rafter length and count for your shed roof.
Shed Ventilation Calculator
Find the vent area your shed needs.
Shed Weight Calculator
Estimate the weight of your shed and its contents.
Shed Material Calculator
Estimate the lumber and materials for a shed.
Shed Cost Calculator
Estimate the total cost of your shed project.
Shed Area Calculator
Measure shed floor area in square feet or square metres.
Shed Roof Calculator
Estimate roofing material for your shed.
Carport Cost Calculator
Estimate the cost of building a carport.
Carport Material Calculator
Estimate the materials needed for a carport.
Greenhouse Cover Calculator
Work out the film or panels needed to cover a greenhouse.
Pool Calculator
Plan pool size, water volume and equipment in one place.
Pool Volume Calculator
Find the water volume of your pool in gallons or litres.
Pool Chemical Calculator
Work out how much chemical your pool water needs.
Pool Heater Calculator
Find the heater size your pool needs.
Pool Pump Calculator
Pick the pump size that suits your pool.
Pond Pump Calculator
Pick the pump size that suits your pond.
Pool Deck Calculator
Plan the deck area around your pool.
Pool Filter Calculator
Pick the filter size for your pool volume.
Fountain Pump Calculator
Size a pump for your fountain.
Pond Aerator Calculator
Find the aeration your pond needs.
Pond Filter Calculator
Pick the filter size for your pond.
Pool Cover Calculator
Size a cover for your pool.
Waterfall Pump Calculator
Size a pump for your waterfall flow.
Pool Area Calculator
Measure the surface area of your pool.
Pool Pump Cost Calculator
Estimate the cost of a pool pump.
Pond Depth Calculator
Plan pond depth for plants, fish and water volume.
Garden Calculator
Plan a garden layout, soil and plants in one place.
Plant Watering Calculator
Estimate how much water your plants need.
Tree Planting Calculator
Plan hole size, spacing and soil for tree planting.
Garden Bed Soil Calculator
Calculate the soil needed to fill your garden beds.
Raised Bed Calculator
Plan raised bed size, lumber and soil volume.
Seed Spacing Calculator
Set the right spacing between seeds and rows.
Lawn Seed Calculator
Estimate the lawn seed needed for your area.
Vegetable Garden Calculator
Plan beds and spacing for a vegetable garden.
Flower Bed Calculator
Plan size, soil and plants for a flower bed.
Boxwood Spacing Calculator
Set the spacing for a boxwood hedge.
Tree Light Calculator
Plan the lights needed for your trees.
Landscape Light Calculator
Plan fixtures and spacing for landscape lighting.
Garden Light Calculator
Plan the lights your garden needs.
Sod Calculator
Estimate the sod rolls needed to cover your lawn.
Lawn Mowing Calculator
Estimate mowing time and cost for your lawn.
Weed Barrier Calculator
Estimate weed barrier fabric for your beds.
More calculators in this category are coming soon.
Browse Our Categories
Explore every calculator by project type, from decks and fences to pools and gardens.