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Scope 3 Emissions Calculator

ClarityScope3

The simple, affordable Scope 3 emissions calculator for UK construction SMEs. Calculate your supply chain carbon footprint and generate reports for your main contractor clients.

1 Company

2 Materials

3 Transport

4 Waste

5 Travel

6 Commuting

Company Details

Company Name *

Contact Email *

Reporting Period Start *

Reporting Period End *

Number of Employees *

1 Purchased Goods & Materials

Concrete (tonnes)

Steel (tonnes)

Timber (m³, ≈ 0.5t/m³)

Brick / Masonry (tonnes)

Insulation (m²)

Other Materials (description)

Other Materials (kg)

4 Upstream Transportation

Number of Deliveries

Avg Distance per Delivery (km)

Primary Vehicle Type

Avg Load per Delivery (tonnes, HGV only)

5 Waste Generated in Operations

General Waste (tonnes)

Construction Waste (tonnes)

Percentage Recycled (%)

6 Business Travel

Car — Petrol (miles)

Car — Diesel (miles)

Car — Electric (miles)

Rail (miles)

Short-Haul Flights (number)

Long-Haul Flights (number)

7 Employee Commuting

Avg Commute Distance (km, one way)

Primary Transport Mode

Working Days per Year

Your Scope 3 Emissions Report

0.00

tCO2e total Scope 3 emissions

ClarityScore

Key Insight

Category Breakdown

Emissions by Category

Category	tCO2e	%

Benchmark Comparison

Top 3 Recommendations to Reduce Emissions

Need help reducing your Scope 3 emissions?

Our sustainability consultants can help you develop a practical decarbonisation roadmap tailored to your business.

Disclaimer: This tool provides estimates based on DEFRA 2024 emission factors. Results should be reviewed by a qualified sustainability professional. Gaisina.ai accepts no liability for decisions made based on these estimates.
Data sources: DEFRA UK Government GHG Conversion Factors 2024.