Total Concrete Required
0 m³
Including wastage allowance
Instant concrete volume, bag count, and ready-mix estimates for Geelong projects
Calculate concrete for slabs, driveways, footings, and columns using accurate 2026 Geelong pricing. Free tool for homeowners, builders, and concreters in the Greater Geelong area.
Accurate concrete calculations for residential and commercial projects across Greater Geelong
Our Geelong concrete calculator uses precise formulas to compute concrete volume in cubic metres for slabs, driveways, footings, and columns. Whether you're laying a garden path in Newtown or a warehouse slab in Corio, get the right quantity every time.
Get instant cost estimates based on 2026 Geelong ready-mix concrete prices. Our tool covers standard 20 MPa to high-strength 40 MPa mixes and includes estimates for both premix bags and delivered ready-mix trucks from local Geelong suppliers.
Designed for builders, owner-builders, and DIY homeowners tackling projects across Geelong's residential suburbs and industrial precincts. Supports slabs, driveways, footings, strip foundations, and circular columns with full wastage allowance.
Select your pour type and enter dimensions below
Standard concrete slab cross-section — reinforcement mesh at 40mm cover as per AS 3600
Concrete volume calculations determine how many cubic metres of concrete are needed for a pour, taking into account the shape, dimensions, and wastage. In Geelong, construction must comply with AS 3600 (Concrete Structures) and the National Construction Code (NCC). Geelong's basalt clay soils — common in suburbs like Hamlyn Heights and Norlane — often require deeper footings and specific slab designs, so accurate concrete estimation is essential for every local project.
Greater Geelong Council requires building permits for slabs and footings exceeding certain thresholds. Always check with City of Greater Geelong Building Services before commencing works. Soil conditions in coastal areas like Torquay and Lara may require geotechnical assessment for footing depths.
20 MPa: Garden paths, non-structural pads, blinding layers
25 MPa: Standard residential slabs, driveways, most Geelong home projects
32 MPa: Structural elements, exposure B1 near Corio Bay or coastal zones
40 MPa: Commercial, industrial, and high-load applications in Geelong's industrial precincts
75–100mm: Footpaths and garden features
100mm: Residential floors (minimum per NCC)
100–125mm: Garage slabs and carports
150mm: Driveways for heavy vehicles
200mm+: Commercial warehouse floors and tilt panel applications
Holcim Geelong: Delivers across Greater Geelong including Surf Coast
Boral Concrete: Multiple Geelong batching plants including Corio
Independent suppliers: Available for smaller pours in outer suburbs
Minimum loads: Most Geelong suppliers require a minimum 1.0–2.0 m³ order per truck
The Geelong concrete calculator uses standard geometric volume formulas adapted for each pour type. All results are displayed in cubic metres (m³), which is the standard unit for ordering ready-mix concrete from Geelong suppliers.
Example: 6m × 4m driveway at 150mm thick:
Example: 20m of footing, 400mm wide × 300mm deep:
Example: 4 posts, 300mm dia, 1.0m deep:
Follow these simple steps to get an accurate concrete estimate for your Geelong project. For further guidance on concrete specifications, visit our admixture dosage calculator for detailed mix design support.
Floor Slab: House slab, shed floor, patio, entertainment area
Driveway: Same formula as slab — use 150mm thickness for vehicle traffic
Footing / Strip: Perimeter footings, retaining wall foundations, step footings
Column / Post: Fence posts, verandah piers, stumps
Slabs: Measure length and width in metres — use a tape measure or your builder's plans
Footings: Add all footing runs together for total length, then enter width and depth
Columns: Enter the diameter, depth, and total number of posts
Tip: Always measure twice — incorrect dimensions are the most common estimating error
25 MPa is suitable for most Geelong residential driveways and slabs
32 MPa recommended within 1km of Corio Bay due to coastal exposure classification
10% wastage is the Geelong industry standard for flat slab pours
15% wastage for uneven ground, complex shapes, or stepped footings
Volume m³: The number to quote to your Geelong concrete supplier
Ready-mix cost: Budget guide based on local 2026 pricing
Bag count: For small pours — useful for posts and small footings
Truck loads: Know how many agitator trucks to book from your supplier
Ready-mix concrete prices in Geelong vary by grade, volume, and delivery location. The following table reflects typical 2026 Geelong market rates and should be used for budgeting purposes only. Always request a formal quote from your preferred Geelong supplier.
| Concrete Grade | Ready-Mix Price (per m³) | 20 kg Bag Equivalent | Bag Price (Bunnings Geelong) | Common Use |
|---|---|---|---|---|
| 20 MPa | $180 – $210 | ~110 bags per m³ | $9.50 – $11.00 per bag | Garden paths, pads |
| 25 MPa | $190 – $225 | ~110 bags per m³ | $10.00 – $12.00 per bag | Residential slabs, driveways |
| 32 MPa | $210 – $250 | ~110 bags per m³ | $12.00 – $14.00 per bag | Structural, coastal exposure |
| 40 MPa | $240 – $290 | ~110 bags per m³ | $14.00 – $17.00 per bag | Commercial, industrial |
| Short Load Fee | $80 – $150 extra for loads under 3 m³ — check with your Geelong supplier | |||
All 2026 Geelong concrete prices are indicative estimates for budgeting purposes only. Actual prices vary by supplier, delivery location, volume, grade, and market conditions. Always obtain 2–3 formal quotes from licensed Geelong concrete suppliers before ordering.
Geelong's variable climate — from hot dry summers to cold wet winters — affects concrete placement and curing. Successful pours require planning around temperature, humidity, and ground conditions specific to the region.
Geelong summers regularly exceed 35°C. High temperatures accelerate setting time, increasing the risk of surface cracking. Schedule pours for early morning or late afternoon between November and March. Use chilled mix water or ice if possible, and begin curing with wet hessian within 30 minutes of finishing. Avoid pouring when concrete temperatures exceed 32°C per AS 1379.
Cold snaps between June and August can slow hydration significantly. Do not pour when air temperatures are below 5°C or when frost is forecast within 24 hours. Use heated water or accelerating admixtures, and cover fresh concrete with insulating blankets. Geelong's coastal winds can cause rapid surface drying even in cold weather — use evaporation retarder on exposed slabs.
Geelong is largely built on volcanic basalt plains with reactive clay soils (Class M to Class H2 per AS 2870). Always compact and test your sub-base before pouring. In Bellarine Peninsula areas with sandy coastal soils, ensure at least 100mm of compacted road base under residential slabs. Soft or wet ground requires additional preparation to prevent subsidence and slab cracking.
Victoria's NCC requires F72 mesh as a minimum for residential slabs in most conditions. Geelong's reactive clay soils often require F82 or F92 mesh plus edge beams for waffle pod slabs. Driveways should include SL72 mesh at mid-depth with 40mm concrete cover. Always consult a structural engineer for slabs larger than 40 m² in reactive soil areas such as Corio, Norlane, and Whittington.
Choosing between ordering ready-mix concrete from a Geelong batching plant or buying premix bags from Bunnings or Mitre 10 Geelong depends on the volume of your pour, access to site, and labour capacity.
Building permits, planning information, and construction regulations for all residential and commercial projects across the Greater Geelong municipality.
Visit Building Services →The Australian Standard for concrete structures — defines concrete grades, cover requirements, and exposure classifications relevant to all Geelong construction projects.
Standards Australia →Registration requirements for builders, owner-builder permits, and compliance information for Victoria including the Greater Geelong region.
Visit VBA →