Your personal carbon footprint, measured
KarbonZ measures your personal carbon footprint from electricity, cooking fuel, travel, flights, food, shopping, water and waste. Answer a short assessment, add your bills, and see your emissions in kg CO2e every month, with a KarbonZ score from 300 to 900 and suggestions sized by how much each change saves.

What KarbonZ measures for you
Answer a short assessment, add your bills, and see exactly where your emissions come from, in kg CO2e, every month.
- Personal carbon footprint calculator
- Electricity consumption
- LPG and cooking fuel
- Personal vehicle and public transport
- Air travel
- Food and shopping
- Water use and waste
- Monthly and annual comparison
- Your KarbonZ score
- Suggestions to cut emissions
- Green actions and reward points
Monthly footprint (kg CO2e)
By category (kg CO2e)
Suggested next steps
- Set the AC to 24°C: about 18 kg less a month
- Take the metro twice a week: about 12 kg less a month
- Link your electricity biller to verify your score
How does KarbonZ work?
Five steps each for individuals and organisations. Employees follow the individual steps, starting from their employer’s invite.
Register with your mobile number
Sign in with a one-time code sent by SMS. No password.
Complete the carbon assessment
Four short screens: where you live, home energy, your commute and how often you fly.
Upload or link your bills
Log electricity, gas, fuel and other bills, or link a biller so they arrive each month.
Get your footprint and score
See kg CO2e by category and your KarbonZ score from 300 to 900.
Track your improvements
Compare month on month, follow suggested actions and earn reward points.

Register your organisation
Sign up for the corporate portal. We set up your branches and departments with you.
Invite employees
Send personal email invites or one shareable link. People are linked to you as they sign up.
Employees complete their assessments
Each employee measures their own footprint in the KarbonZ app.
Monitor employee-related emissions
Follow emissions and participation by branch and department.
Generate reports
Export Scope 3 figures for employee commuting and business air travel as Excel, PDF or JSON.

What does a KarbonZ score mean?
Your score runs from 300 to 900, and higher is better. 300 means you’ve just started; around 500 you’re building habits; 700 and above, you’re among the greener performers. Bills and lower emissions move it up. The KarbonZ score is a performance index defined by KarbonZ. It is not an independent environmental certification.
- Carbon Starter300 to 399
- Getting Aware400 to 499
- Building Habits500 to 599
- Active Performer600 to 699
- Green Champion700 to 799
- Carbon Leader800 to 899
A provisional score uses your answers only; adding bills and a second month establishes it. 900 is reached only through certification. More about the score
Questions individuals ask
How long does the assessment take?
Four short screens: where you live, your home energy, your commute and how often you fly. You can add more detail, and bills, later.
Do I need to upload bills?
No, but bills make your footprint more accurate and move your score from provisional to established. You can log them by hand or link a biller for automatic monthly fetches.
Is it free?
The individual assessment is free. Anyone in India aged 18 or over can sign up with a mobile number.