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🌿 Landscaping Calculator PRO

Turf, mulch, gravel, plants, edging & topsoil — all in one.

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Dimension Diagram — updates as you type

Plan view of the landscape bed. Area drives turf, mulch, gravel, and planting quantities.

area = L × W → volume = area × depth

1 Project Info

Project Name

2 Area Dimensions

Length

Width

3 Landscape Type

4 Material Configuration

Turf Type

Recommended for

Mulch Depth

Volume—

Volume (cu yd)—

Gravel Depth

Volume—

Tons (est.)—

Plant Spacing

Plant Type

Plant Count—

Include Edge Restraint

Edge Length

Cost per ft

5 Topsoil & Cost

Topsoil Depth (in)

Material Cost (per unit)

Labour Hours

Labour Rate ($/hr)

Results

Currency Symbol

Area

Total Area—

Area (sq m)—

Material

Turf Type—

Mulch Volume—

Gravel Volume—

Gravel Weight—

Plant Count—

Edge Restraint—

Topsoil

Volume (cu ft)—

Weight (tons)—

Material Cost—

Edge Cost—

Labour Cost—

Grand Total—

⚠️ Pre-Export Checklist

Area measured; slopes and drainage noted
Plant and turf choice suits sun and soil
Mulch/gravel depth matches specification
Edging and weed barrier planned
Irrigation coverage checked for new planting
Topsoil quality and delivery access confirmed

Professional Landscaping Estimation Guide

Show formulas, material guide & pro tips ▼

Formulas

Area = Length × Width

Mulch Volume= Area × Depth (convert inches to feet)

Gravel Volume= Area × Depth × 0.05 (tons per sq ft per inch)

Plant Count= Area / (Spacing in ft)²

Topsoil Tons= Area × Depth (ft) × 1.2 (density factor)

Turf Guide

Bermuda: Full sun, drought-tolerant, warm climates (Zones 7-10)
Fescue: Shade-tolerant, cool-season, moderate water needs
St. Augustine: Tropical, shade-tolerant, high water needs
Zoysia: Dense, low-maintenance, full sun to partial shade

Worked Example

20 ft × 15 ft mulch bed, 3 in deep, edge restraint:

Area: 20 × 15 = 300 sq ft
Mulch volume: 300 × (3/12) = 75 cu ft = 2.78 cu yd
Edge: 2 × (20 + 15) = 70 ft
Topsoil (4 in): 300 × (4/12) × 1.2 = 1.2 tons

Pro Tips

Order 10% extra mulch/gravel to account for settling and irregular edges
Apply mulch 2-3 inches deep — deeper can cause root rot
Use landscape fabric under gravel beds to prevent weed growth
Install edge restraints before filling beds with material
For turf, ensure soil is graded and compacted before laying sod

🏗

Drag to rotate — Scroll to zoom

L: × W:

Type:

Plants:

Legend

Turf/Grass

Mulch

Gravel

Plants

Edging

相关计算器

Frequently used together on the same project.

🏗️ Concrete Volume, bags & cost 🍂 Mulch Beds, yards & bags 🪨 Gravel Driveways, paths & landscaping 🌱 Sod & Turf Pallets & lawn coverage

Client & Quote (prints on PDF & Excel)

Client Name

Client Phone

Client Address

Quote number (blank = auto)

Adjustments (applies to exports)

Contingency %

Waste allowance % (advisory)

Contingency is added as a separate line on the exported cost summary. Waste % is printed as an advisory reminder.

Project notes (prints on PDF & Excel)

Result compare (A/B)

Item	Pinned	Current	Change

Saved rates auto-apply from your Price Library. Advanced details stay in your browser — nothing is uploaded except inside your own PDF/Excel exports.

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Landscaping transforms outdoor spaces into functional and aesthetically pleasing environments. Whether you are designing a residential garden, commercial property grounds, or public park, accurate material estimation is crucial for staying within budget and achieving the desired result. This landscape calculator helps you estimate the quantity of materials needed for various landscaping projects including lawn areas, garden beds, paving, retaining walls, and planting schemes. The calculator covers multiple landscaping aspects including topsoil volume for garden beds, turf rolls or grass seed quantities for lawns, paver counts for pathways and patios, aggregate materials for drainage and base layers, mulch volume for garden beds, and plant spacing calculations. Each calculation considers the specific area dimensions, material coverage rates, and typical wastage factors to give you accurate estimates. Landscaping costs vary significantly based on the scope of work, material choices, and labor rates in your area. Basic lawn installation with turf typically costs between $8 and $15 per square meter including soil preparation. Garden bed creation with quality topsoil, mulch, and planting ranges from $15 to $40 per square meter. Hardscaping elements such as paved pathways, retaining walls, and water features can cost anywhere from $50 to $200 per square meter depending on materials and complexity. Professional landscaping increases property value, improves curb appeal, and creates outdoor living spaces for recreation and relaxation. Proper planning with accurate material estimation prevents costly overruns and ensures your landscape project is completed on time and within budget.

📖 如何使用景观计算器

Measure the area for each landscaping element including length and width in meters.

Select the type of landscaping work such as lawn, garden bed, paving, or mulching.

Enter the depth or thickness required for materials like topsoil, gravel, or mulch.

Input the material cost per unit and labor cost if applicable.

Click Calculate to get the total material quantity and estimated cost.

Review the breakdown including materials, labor, delivery, and total project cost.

📐 景观公式

Landscaping calculations use different formulas depending on the element being calculated. For lawn areas, the formula is simply: Area = Length × Width in square meters. The quantity of turf rolls is calculated by dividing the area by the coverage per roll, typically 0.5 to 1 square meter per roll. For grass seed, multiply the area by the seeding rate, usually 25 to 50 grams per square meter. For garden beds and mulching, the volume formula applies: Volume = Length × Width × Depth. If you need 150mm of topsoil for a 10m × 5m garden bed, you need: 10 × 5 × 0.15 = 7.5 cubic meters of topsoil. Mulch is typically applied at a depth of 50 to 100mm, so the same bed would need: 10 × 5 × 0.075 = 3.75 cubic meters of mulch. For paving, calculate the area and divide by the paver size including joints. Standard pavers are 200mm × 200mm (0.04 m² each), so a 20 m² patio needs approximately 500 pavers. Always add 5 to 10 percent for cuts and wastage. For aggregate base layers, calculate the volume needed at the specified depth, typically 100 to 200mm for pathways and 200 to 300mm for driveways. Retaining wall calculations involve determining the wall area and converting to the number of blocks or the volume of concrete needed. Plant spacing calculations divide the area by the spacing requirement per plant, which varies from 0.3m for ground cover to 3m or more for large shrubs and trees.

⚠️ 常见景观错误

Not accounting for soil settling which reduces topsoil depth by 10 to 20 percent over time.

Ignoring proper drainage requirements leading to water pooling and plant health issues.

Using incorrect plant spacing resulting in overcrowding or sparse appearance.

Skipping the base preparation for paved areas causing uneven surfaces and premature failure.

Not considering ongoing maintenance requirements when selecting plants and materials.

💡 专业景观技巧

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Always add 10 to 15 percent extra material to account for cuts, wastage, and settling.

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Consider the sun exposure and drainage patterns of your site before selecting plants.

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Use native plants that are adapted to your local climate and require less maintenance.

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Install proper drainage before adding topsoil and planting to prevent future problems.

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Order materials in bulk for better pricing, especially for large areas requiring significant volumes.

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Plan for seasonal color by selecting plants that bloom at different times of the year.

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Create maintenance schedules to keep your landscape looking its best throughout the year.

❓ 景观常见问题

A new lawn typically requires 100 to 150mm of quality topsoil over the prepared subgrade. For a 100 square meter lawn, you need approximately 10 to 15 cubic meters of topsoil. The exact amount depends on the existing soil conditions and the desired lawn quality.

Measure the lawn area in square meters and divide by the coverage per roll. Most turf rolls cover 0.5 to 1 square meter. Add 10 percent extra for cutting and fitting around edges and obstacles. Always order slightly more than calculated to ensure complete coverage.

Apply mulch at a depth of 50 to 100mm for most garden beds. Organic mulches like bark and wood chips can be applied thicker at 75 to 100mm. Avoid applying more than 100mm as this can prevent water from reaching plant roots. Refresh mulch annually as it decomposes.

For a typical garden pathway, use a 100mm base of compacted gravel plus a 50mm surface layer. Calculate the volume by multiplying the pathway area by the depth. For a 20m long by 1.5m wide pathway, you need approximately 4.5 cubic meters of gravel for both layers combined.

The best time depends on your climate and the type of work. Spring and autumn are generally ideal for planting as temperatures are moderate. Hardscaping can be done year-round except during frost or heavy rain. Lawn installation works best in spring or early autumn when grass can establish before extreme temperatures.

🏗️ 景观实际项目

A typical residential landscaping project involves multiple elements. For a 200 square meter backyard, a complete redesign might include 80 square meters of lawn, 40 square meters of garden beds, 30 square meters of paved patio, and 50 square meters of mulched areas. The lawn requires approximately 80 to 120 cubic meters of topsoil and 80 to 160 turf rolls. Garden beds need about 12 cubic meters of topsoil and 6 cubic meters of mulch. The patio requires approximately 750 pavers and 6 cubic meters of aggregate base material. Total material costs for this project typically range from $8,000 to $25,000 depending on material quality. Basic turf costs $8 to $12 per square meter while premium varieties cost $15 to $25. Standard concrete pavers cost $30 to $60 per square meter installed, while natural stone pavers range from $80 to $150 per square meter. Professional landscaping labor adds $20 to $50 per square meter for planting and $50 to $100 per square meter for hardscaping work. Commercial landscaping projects scale these calculations significantly. A 2,000 square meter office park might include extensive lawn areas, specimen trees, irrigation systems, lighting, and parking lot planters. These projects often require landscape architects and can range from $50,000 to $200,000 or more depending on the complexity and material selections.

Use our landscape calculator to accurately estimate materials and costs for lawn installation, garden beds, paving, mulching, and planting projects.

✅Method, Sources & Review

Maintained by theBuildingCalc methods desk· Last reviewedSeptember 23, 2026. This calculator implements the standards and references below; every figure can be rechecked against the formulas and worked example on this page.

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Results are estimates, not engineering advice. Verify against local codes and licensed professionals for structural, electrical, and gas work. See ourTerms. Spotted an error? Report it— corrections ship with the next review.