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Reference table

Carpet Table: Carpet area needed by Room length

Reference table of carpet area needed for Carpet across a range of room length values — exact, engine-computed figures you can read off at a glance.

By Arjun Desai, B.Tech (Engineering) · Updated Jun 2026 · 1 min read

This carpet reference table shows the carpet area needed for a range of room length values, assuming a room width of 4 m, a wastage allowance of 1% and a price per square metre of ₹600. Every figure is computed with the same engine that powers our Carpet Calculator, so the numbers are exact.

Room lengthCarpet area neededEstimated cost
1.3 m5.72₹3,432.00
2.5 m11.00₹6,600.00
3.8 m16.72₹10,032.00
5 m22.00₹13,200.00
7.5 m33.00₹19,800.00
10 m44.00₹26,400.00
15 m66.00₹39,600.00
25 m110.00₹66,000.00
35 m154.00₹92,400.00
50 m220.00₹1,32,000.00

How to use this table

Find the row closest to your room length and read across to the carpet area needed. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Carpet Calculator for a precise answer.

Need a value that is not in the table? — the Carpet Calculator does it instantly, for free, with the formula and a worked example built in.

Continue exploring construction calculators with these tools: Roof Shingle Bundles Calculator, Mortar Bags Calculator, Concrete Bags Calculator, Siding Calculator, Lumber Cost Calculator.

Calculators in this guide

Frequently asked questions

Each cell is computed with the standard formula using exact arithmetic — the same calculation behind our Carpet Calculator — so every figure is accurate for the stated assumptions.

Yes. The table covers common room length values; for any exact figure, enter your own numbers in the Carpet Calculator.

Arjun Desai · B.Tech (Engineering)

Arjun Desai is an engineer who writes about the practical physics, electronics and energy calculations behind everyday technology.