EcoTrack

Carbon Footprint Calculator

Electricity, driving, and flying — one estimate.

Electricity used (kWh/month)

Car miles driven (per month)

Flight hours (per month)

Total footprint

764 kg CO₂

What you entered

Electricity used (kWh/month): 900Car miles driven (per month): 1000Flight hours (per month): 0

1
Electricity emissions
900 kWh × 0.4 kg/kWh= 360 kg CO₂
2
Car travel emissions
1000 mi × 0.404 kg/mi= 404 kg CO₂
3
Flight emissions
0 hr × 90 kg/hr= 0 kg CO₂
4
Total footprint
360 + 404 + 0= 764 kg CO₂

Result

Total footprint: 764 kg CO₂

This monthly footprint totals 764 kg of CO₂ — roughly 9,168 kg per year.

Annual carbon footprint by household activity

Rows combine three emission sources at 0.4 kg CO2 per kWh of electricity, 0.404 kg per car mile, and 90 kg per hour of flying.

Electricity	Car miles	Flight hours	Total CO2
300 kWh	200	0	200.8 kg
500 kWh	500	0	402.0 kg
900 kWh	1,000	0	764.0 kg
900 kWh	1,000	10	1,664.0 kg
1,200 kWh	1,500	20	2,886.0 kg
900 kWh	0	40	3,960.0 kg

The last row is the point of the table: forty hours in the air outweighs a year of driving and household electricity combined. Grid intensity varies enormously by country, from near zero on hydro or nuclear grids to over 0.7 kg/kWh on coal.

Three of the biggest everyday emission sources

For most people, home electricity, car travel, and air travel make up the majority of their personal carbon footprint — this calculator applies typical emission factors (kg CO₂ per kWh, per mile, per flight hour) to each.

An estimate, not an audit

Actual emissions vary by local electricity grid mix, vehicle efficiency, and flight class — this gives a useful order-of-magnitude estimate for comparing choices (like driving vs. flying) rather than a precise personal audit.

Frequently asked questions

I use 900 kWh of electricity per month, drive 1,000 miles, and fly 4 hours — what is my monthly carbon footprint?

Roughly: 900 × 0.42 kg (US average grid) + 1000 × 0.40 kg (average car) + 4 × 250 kg (flight) = 378 + 400 + 1000 = about 1,778 kg CO2. Flying dominates even at only 4 hours.

How is this different from the water footprint calculator?

Carbon footprint measures CO2 emissions from energy use and transport. Water footprint measures the hidden water consumed to produce goods. Both quantify environmental impact but track entirely different resources.

Which has the bigger impact: switching to LED bulbs or driving less?

Driving less typically saves more CO2. Replacing 10 incandescent bulbs with LEDs saves about 50-80 kg CO2/year. Eliminating 5,000 miles of driving saves about 2,000 kg CO2/year — roughly 25 times more.

Do emission factors change by country?

Significantly. France (mostly nuclear) emits about 0.06 kg CO2/kWh; India (mostly coal) emits about 0.82 kg CO2/kWh. This calculator uses typical average factors — adjust mentally based on your country's energy mix.