Ask three suppliers for an AAC block rate and you will often get three answers in three different units: one quotes per piece, one per cubic metre, and one per truckload. That makes it hard to know who is actually cheaper. This guide gives you the standard AAC block sizes, approximate 2026 prices in both units, a simple way to convert one into the other, and a checklist to compare quotes fairly.
1. AAC Block Price List 2026 (Size-wise)
All rows are for the standard 600 × 200 mm face. Per-piece prices are calculated from the per-cubic-metre range, so you can check any quote against this table.
| Thickness | Size (L × H × T, mm) | Blocks per m³ | Approx. price per piece |
|---|---|---|---|
| 3 inch | 600 × 200 × 75 | ~111 | ₹29 – ₹43 |
| 4 inch | 600 × 200 × 100 | ~83 | ₹38 – ₹58 |
| 5 inch | 600 × 200 × 125 | ~67 | ₹48 – ₹72 |
| 6 inch | 600 × 200 × 150 | ~56 | ₹58 – ₹86 |
| 8 inch | 600 × 200 × 200 | ~42 | ₹77 – ₹115 |
| 9 inch | 600 × 200 × 225 | ~37 | ₹86 – ₹130 |
| 10 inch | 600 × 200 × 250 | ~33 | ₹96 – ₹144 |
Approximate prices, inclusive of GST, based on the ₹3,200–4,800 per m³ range seen in Delhi NCR market listings in October 2026. Actual quotes vary by brand, density, quantity, freight and unloading terms.
2. AAC Block Size Chart
AAC blocks in India are made to IS 2185 (Part 3). The most common face size is 600 mm long and 200 mm high; thickness is chosen based on the wall type.
| Thickness | Approx. weight per block* | Typical use |
|---|---|---|
| 75 mm (3″) | ~5–6 kg | Light partitions, shaft and duct walls |
| 100 mm (4″) | ~6.5–8 kg | Internal partition walls in homes and offices |
| 125–150 mm (5″–6″) | ~8–12 kg | Partitions needing better sound insulation; some external infill |
| 200 mm (8″) | ~13–16 kg | External walls in framed (RCC) buildings |
| 225–250 mm (9″–10″) | ~15–20 kg | External walls where higher thermal insulation is needed |
*Weight calculated at a dry density of about 550–650 kg/m³. Blocks weigh more when moist, and higher-density grades weigh more.
Other lengths (such as 625 mm) and heights (250 or 300 mm) are also made by some plants. Confirm the exact size before ordering, because mixing sizes on site creates wastage and uneven joints.
3. How to Convert Per-Piece and Per-m³ Prices
Blocks per m³ = 1 ÷ (length × height × thickness in metres). For a 6-inch block: 1 ÷ (0.6 × 0.2 × 0.15) = about 55.6 blocks. So a quote of ₹3,800 per m³ equals about ₹68 per 6-inch block.
4. What Changes the AAC Block Price
Brand and plant distance. Leading brands such as Magicrete, BirlaNu (Birla Aerocon), JK Smartblox and UltraTech Xtralite are priced differently, and freight from the plant can be a large share of the final rate.
Density and strength grade. Higher-density blocks with higher compressive strength cost more. Ask for the grade and test certificate, not just the size.
Order quantity. Full-truck orders usually get a better per-m³ rate than small loose purchases from a local dealer.
Delivery terms. Ex-factory, delivered-to-site and unloaded-at-site prices are three different numbers. Always ask which one is being quoted.
Breakage allowance. Some breakage in transit is normal. Agree in writing how much is acceptable and who bears it.
5. Worked Example: Dealer Quote vs Plant Quote
Worked model: 10 m³ of 6-inch AAC blocks
- Quantity: 10 m³ × ~55.6 blocks = about 556 blocks.
- Quote A (local dealer): ₹70 per piece, delivered and unloaded. Total = 556 × ₹70 = about ₹38,900.
- Quote B (plant): ₹3,800 per m³ ex-factory = ₹38,000, plus freight (assume ₹3,000) and unloading (assume ₹1,000). Total = about ₹42,000.
- Result: The dealer looks costlier per block (₹70 vs about ₹68), but works out about ₹3,100 cheaper once freight and unloading are added.
Freight and unloading figures here are assumptions for illustration. All prices are approximate and inclusive of GST; compare your actual quotes on the same delivered-and-unloaded basis.
6. AAC Block vs Red Brick: Quick Comparison
| Factor | AAC block | Red clay brick |
|---|---|---|
| Weight | Much lighter; reduces dead load on the structure | Heavier |
| Size | Large (600 × 200 mm face); fewer joints | Small; many more joints and more mortar |
| Thermal insulation | Better; helps keep rooms cooler | Lower |
| Laying speed | Faster | Slower |
| Best for | Infill and partition walls in RCC-framed buildings | Load-bearing walls in traditional construction |
AAC blocks are generally used as infill in framed structures. For load-bearing walls, follow your structural engineer’s design.
7. Checklist Before You Order
Confirm the exact size and thickness for each wall type from your drawings.
Ask for the price basis: per piece or per m³, ex-factory or delivered, with or without unloading.
Ask for the density, strength grade and test certificate to IS 2185 (Part 3).
Order the right block jointing mortar or adhesive. AAC blocks are usually laid with thin-bed adhesive rather than thick cement mortar.
Agree on breakage terms and check the load on delivery.
Key Takeaways
- AAC blocks cost roughly ₹3,200–4,800 per m³ in Delhi NCR in 2026, inclusive of GST.
- A 4-inch block costs about ₹38–58, a 6-inch about ₹58–86 and an 8-inch about ₹77–115.
- Convert every quote to the same unit and the same delivery basis before comparing.
- Use 4-inch blocks for internal partitions and 8-inch or thicker for external walls in framed buildings.
Related reading: Top 10 AAC Block Manufacturers in India
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Disclaimer: All prices are approximate, inclusive of GST and for information only; they are not Headsup B2B quotes. Rates change with brand, location, quantity and market conditions.

























