Quality Inspector
Earthwork & Excavation
Soil Truck & Transport Calculator (2026) – Tipper Trip Estimator
Expert Guide
Professional transport planning tool for excavation logistics. Realistically estimates truck trips based on material type and looseness.
⚡ Quick Answer
Excavated soil expands 25–50% once dug (the Swell Factor). A 100 m³ excavation in standard soil yields **125 m³ loose soil** — requiring **21 trips** of a 6 m³ tipper. Rock expands up to 50%, needing even more trips. Plan your fleet using these numbers. For large-scale site logistics, visit pro.nirmansutra.com.
🛠️ How It Works
- •Select the soil or material type — each has a different expansion (swell) factor once excavated.
- •Enter the Bank Volume (in-ground volume before excavation) in cubic meters.
- •Select your truck size — standard site tippers are 6 m³, mini tippers 3 m³.
- •The tool multiplies Bank Volume × Swell Factor to get the Loose Volume you actually need to transport.
- •Trips = Loose Volume ÷ Truck Capacity, always rounded up to the nearest whole trip.
📐 Calculation Formula
Loose Volume = Bank Volume × Swell Factor
Swell Factors: Soil = 1.25 | Hard Clay = 1.35 | Rock = 1.50
No. of Trips = Loose Volume ÷ Truck Capacity (m³)
📋 Real-Life Example
Example: 100 m³ excavation in Hard Clay (35% swell), 6 m³ Standard Tipper.
1. Swell Factor = 1.35.
2. Loose Volume = 100 × 1.35 = 135 m³.
3. No. of Trips = 135 ÷ 6 = 22.5 → 23 trips (round up).
4. Tip: Always round trips UP — partial loads count as full trips.
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❓ Frequently Asked Questions
For 100m³ bank volume (in-ground), you get 125m³ loose soil. With a standard 6m³ tipper, you need exactly 21 trips.
The most common site tipper (Tata/Eicher) has a 5.5 to 6.5 m³ capacity. Mini-tippers used in hilly areas are typically 3 m³.
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