BlockPlane Metric - Free Construction Carbon Calculator

Quick Material Comparison

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See the difference: Compare conventional vs. sustainable materials to understand your carbon savings potential. Upgrade for unlimited comparisons →

Material

Conventional

Sustainable

Concrete (per m³)

410 kg CO₂e

285 kg CO₂e ↓30%

Steel (per tonne)

1,850 kg CO₂e

950 kg CO₂e ↓49%

Insulation (per m²)

12 kg CO₂e

4 kg CO₂e ↓67%

🧮 Carbon Calculator

Material Type

Quantity

Unit

Project Name (Optional)

Your Sustainability Metrics

Paris Aligned

LIS Score

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Lifecycle Impact Score

RIS Score

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Resource Impact Score

💰 CPI Locked

$45.20

$/tCO₂e

☁️ Total Carbon

--

kg CO₂e

⚠️

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Alternative Materials

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See better options: Get AI-powered recommendations for lower-carbon alternatives with full Value Engineering memos.

Alternative 1: Recycled Steel (48% carbon reduction, +$2.30/tonne)

Alternative 2: Low-Carbon Concrete (35% carbon reduction, -$1.50/m³)

Alternative 3: Cross-Laminated Timber (62% carbon reduction, +$8.40/m³)

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