tCO2e
CalculatorsGuidesFor organizationsPricing
Sign inUpload a bill

Guides

Carbon accounting and regulation, translated for any organization — plus a Singapore regulatory section for readers who need it.

How to calculate your organization's carbon footprint

Boundary, scopes, documents, calculators — the whole method for any organization, in order.

→

Scope 1, 2 and 3, explained in 10 minutes

The GHG Protocol scopes translated into the documents your organization already has.

→

SGX climate reporting deadlines (2026 edition)

Singapore: FY2025 Scope 1 & 2 for all listed issuers, STI Scope 3 FY2026, and what non-listed companies face.

→

The Singapore grid emission factor, explained

Singapore: where 0.402–0.4085 kgCO2e/kWh comes from, which year to use, and why it changes.

→

EnterpriseSG sustainability grants

Singapore: SRG at 30% vs the SME programme at 50% — who qualifies and until when.

→
tCO2e

Free carbon calculators and document-based Scope 1, 2 and 3 estimates for organizations of every kind. Estimates are tool-assisted, not assurance — your organization remains responsible for its disclosures.

Product

  • Free calculators
  • Upload a bill
  • For organizations
  • Pricing
  • Account

Learn

  • Guides
  • Calculate your footprint
  • SGX deadlines 2026

Company

  • About
  • Contact
  • Privacy
  • Terms
  • Data attributions
© 2026 tc02e.com · Emission factors from open-licensed sources — data attributions.