Path & Walkway Calculator
Walkway Gravel Calculator
Calculate how much gravel you need for a walkway or garden path. Estimate cubic yards, tons, bags, and total material cost — instantly.
How Much Gravel Do I Need For A Walkway?
What Type of Gravel Should I Use for a Walkway?
Different gravel types suit different walkway needs. Select a material in the calculator above, or read our recommendations below:
How Deep Should Gravel Be For A Walkway?
The right gravel depth makes the difference between a path that lasts years and one that needs constant repair. Here are the recommended depths by walkway type:
| Walkway Use | Recommended Depth | Best Gravel Type | Coverage per Ton |
|---|---|---|---|
| Garden Path (light foot traffic) | 2-3 inches | Pea Gravel | 100-120 sq ft |
| Walking Path (regular use) | 3-4 inches | Crushed Stone | 70-80 sq ft |
| High-Traffic Path (frequent use, carts) | 4-6 inches | Crushed Stone, Decomposed Granite | 50-60 sq ft |
| Base Layer (underneath any top gravel) | 4-6 inches | Crushed Stone #57 | N/A (base layer) |
Best Gravel for Walkways — Compared
Each gravel type has strengths and weaknesses for walkway use. Here's a side-by-side comparison to help you choose:
• Comfortable underfoot
• Attractive rounded appearance
• Affordable ($30-60/ton)
• Excellent drainage
• Easy to spread
• Moves and scatters easily
• Needs edging to contain
• Can be tracked indoors
• Less stable for wheelchairs
• Very stable, locks together
• Budget-friendly ($20-50/ton)
• Great for high-traffic areas
• Compacts well
• Wide availability
• Sharp edges — less comfortable barefoot
• Duller appearance than pea gravel
• Can be dusty when dry
• Heavier to spread
• Natural, elegant appearance
• Firms up into a hard surface
• Great for landscaped gardens
• Minimal scattering
• Wheelchair accessible when compacted
• More expensive ($50-70/ton)
• Needs proper compaction
• Can become muddy in heavy rain
• Limited availability in some areas
Walkway Gravel Coverage Chart
See how much area one ton of gravel covers at different depths — essential for planning your walkway material order:
| Gravel Depth | Coverage per Ton | Coverage per Cubic Yard | Bags Needed (50 lb) |
|---|---|---|---|
| 2 inches | 100-120 sq ft | 140-170 sq ft | ~12 bags per 100 sq ft |
| 3 inches | 70-80 sq ft | 100-115 sq ft | ~18 bags per 100 sq ft |
| 4 inches | 50-60 sq ft | 75-85 sq ft | ~23 bags per 100 sq ft |
| 6 inches | 35-40 sq ft | 50-60 sq ft | ~35 bags per 100 sq ft |
Walkway Gravel Cost Guide
Understanding gravel costs helps you budget accurately. Here's what to expect for a walkway project:
| Material | Price per Ton | Price per Cubic Yard | DIY Cost (90 sq ft walkway)* |
|---|---|---|---|
| Pea Gravel | $30-60 | $42-84 | $90-180 |
| Crushed Stone | $20-50 | $28-70 | $60-150 |
| Decomposed Granite | $50-70 | $70-98 | $150-210 |
| River Rock | $40-60 | $56-84 | $120-180 |
| Installation (labor) | — | — | $4-10 per sq ft |
• Gravel materials: $90-360 (1-1.5 tons depending on depth)
• Base layer (4-6"): $50-100 (crushed stone #57)
• Landscape edging: $30-80 (metal or plastic)
• Landscape fabric: $20-40 (prevents weed growth)
• Professional installation: $360-900 (full labor)
• Total DIY: $190-580 | Pro installed: $550-1,480
How to Calculate Gravel for a Walkway — Step by Step
Our calculator handles all the math automatically, but here's the manual process so you understand the formula:
Measure Your Walkway
Measure the length and width in feet. For a typical walkway: 30 ft long × 3 ft wide = 90 sq ft. For curved paths, measure the total square footage by breaking it into smaller rectangular sections.
Choose Gravel Depth
Convert inches to feet by dividing by 12. Example: 3 inches ÷ 12 = 0.25 feet. For garden paths use 2-3", walking paths 3-4", high-traffic paths 4-6".
Calculate Volume (Cubic Yards)
Area × Depth ÷ 27 = Cubic yards. Example: 90 sq ft × 0.25 ft ÷ 27 = 0.83 cubic yards. This is your total gravel volume for the surface layer.
Convert to Tons
Cubic yards × gravel density = tons. Example: 0.83 cu yd × 1.4 tons/cu yd (crushed stone) = 1.16 tons. Order slightly more (10-15% extra) for compaction and settling.
Quick Calculation Examples
| Walkway Size | Area | Depth | Cubic Yards | Tons (Crushed Stone) | 50 lb Bags |
|---|---|---|---|---|---|
| 10' × 3' path | 30 sq ft | 3" | 0.28 | 0.4 | 17 |
| 20' × 3' path | 60 sq ft | 3" | 0.56 | 0.8 | 33 |
| 30' × 3' path | 90 sq ft | 3" | 0.83 | 1.3 | 50 |
| 40' × 4' path | 160 sq ft | 4" | 1.98 | 3.0 | 119 |
| 50' × 3' path | 150 sq ft | 3" | 1.39 | 2.1 | 83 |
| 60' × 4' path | 240 sq ft | 4" | 2.96 | 4.4 | 178 |
Walkway Design Examples
Here are two common walkway scenarios to help you visualize your project:
Frequently Asked Questions
For a typical 30 ft × 3 ft walkway at 3 inches deep, you need approximately 1.2-1.5 tons of gravel (0.83-1.1 cubic yards). The formula is: length × width × depth (in feet) ÷ 27 × density. For example: 30 × 3 × 0.25 ÷ 27 = 0.83 cu yd × 1.4 = 1.2 tons of crushed stone. Always order 10-15% extra for compaction and settling. Use the calculator above for your exact walkway dimensions.
Garden paths and light-use walkways need 2-3 inches of gravel. Regular walking paths need 3-4 inches. High-traffic walkways that see frequent use or wheelbarrows should have 4-6 inches. Always install a 4-6 inch base layer of larger crushed stone (#57) underneath for proper drainage and to prevent the top gravel from sinking into the soil over time.
Pea gravel is generally the best choice for garden paths because it's comfortable to walk on (smooth, rounded stones), visually appealing in garden settings, affordable at $30-60 per ton, and drains well. Decomposed granite is an excellent alternative for a more natural, firm surface that won't scatter as much. For heavily used paths, crushed stone provides the most stability.
A 30 ft × 3 ft walkway at 3" depth needs approximately 50 bags at 50 lbs each (1.2 tons ÷ 0.025 tons per bag). For a small 10 ft garden path, about 17 bags at 50 lbs. For larger walkways over 50 feet, consider bulk delivery instead of bags — bulk gravel costs $20-60 per ton versus $200-240 per ton for bagged gravel.
Yes, pea gravel is excellent for garden paths and light-use walkways. Its smooth, rounded stones are comfortable underfoot and it provides good drainage. However, pea gravel tends to shift and scatter — use metal or plastic landscape edging on both sides to contain it. For high-traffic walkways or areas where stability is critical (wheelchair access, heavy foot traffic), crushed stone or decomposed granite are better choices because they compact into a firmer surface.
A gravel walkway costs approximately $4-10 per square foot fully installed, including excavation, base layer, edging, landscape fabric, top gravel, and labor. For a 90 sq ft walkway (30' × 3'), that's $360-900 total. DIY materials alone cost $2-6 per square foot, or $190-580 for the same walkway. Materials break down as: gravel ($1-3/sq ft), base layer ($0.50-1/sq ft), edging ($0.30-0.90/sq ft), and fabric ($0.20-0.45/sq ft).