Carbon Footprint Calculator Singapore Electricity Usage (kWh/month) ℹ️ Natural Gas Usage (m³/month) ℹ️ Car Mileage (km/month) ℹ️ Public Transport (km/month) ℹ️ Flights (hours/year) ℹ️ Calculate Reset Low Footprint: 0 kg CO₂ Medium Footprint: 0 kg CO₂ High Footprint: 0 kg CO₂