Calculate your carbon footprint

Complete GHG inventory following the GHG Protocol Corporate Accounting Standard. Calculate your Scope 1, 2 & 3 emissions in 15 minutes.

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Business Information
Basic details about your organization
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Scope 1: Direct Emissions
Emissions from sources you own or control
🚗 Vehicle Fuel Combustion ? Fuel for company vehicles. Check: fuel receipts, fleet cards, gas station invoices. Example: 3 trucks, each uses ~2,000 gallons/year = 6,000 gallons total.
Cars, vans, light trucks
Heavy trucks, equipment
Forklifts, some vehicles
🏢 Stationary Combustion (Heating/Power) ? Fuel for heating your building or generators. Check: utility bills, fuel delivery invoices. Natural gas is most common for building heat. Look for "therms" on your gas bill.
Check your utility bills for therms or CCF
❄️ Refrigerants (Fugitive Emissions) ? AC/refrigeration leaks. Check: HVAC service records showing refrigerant added. Most businesses can skip this unless you have large AC/refrigeration systems that need regular recharging. Example: HVAC tech added 5 lbs R-410A during service.
Most common AC refrigerant
Older AC systems
Vehicle AC, some refrigeration
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Scope 2: Purchased Energy
Emissions from electricity and steam you purchase
⚡ Electricity ? Electricity from the utility company. Check: monthly electric bills showing kWh usage. Add up 12 months of bills. Example: Average 5,000 kWh/month = 60,000 kWh/year. Select your state/region for more accurate calculation.
Check annual utility bills
On-site solar generation to subtract
🏭 District Heating & Cooling
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Scope 3: Value Chain Emissions
Indirect emissions from your operations
🏗️ Capital Goods ? Major equipment or building purchases. Check: invoices for machinery, vehicles, computers, construction projects. Example: Bought a forklift for $30,000 → enter $30,000.
Construction projects, building renovations
Forklifts, trucks, computers, factory equipment
✈️ Business Travel ? Flights, rental cars, trains for work trips. Check: expense reports, travel booking confirmations. Example: Flew to Chicago (800 miles round trip) 5 times = 4,000 passenger-miles.
Total miles flown × passengers
🚗 Employee Commuting ? Employee drives to work. Calculate: Number of employees × average commute distance × 2 (round trip) × workdays per year. Example: 10 employees, 15 miles each way, 250 workdays = 75,000 miles/year.
Employees × avg daily commute × workdays
📦 Inbound Freight (from suppliers) ? Shipping FROM your suppliers TO you. Check: shipping invoices, bills of lading. Calculate: weight of shipment × distance. Example: 2 tons of steel shipped 500 miles by truck = 1,000 ton-miles.
Freight FROM suppliers TO you
🚛 Outbound Freight (to customers) ? Shipping FROM you TO your customers. Check: outbound shipping logs, freight invoices. Calculate: weight × distance. Example: Ship 5 tons of product 300 miles = 1,500 ton-miles.
Freight FROM you TO customers
🗑️ Waste & Recycling ? Trash and recycling from your facility. Check: waste hauler invoices showing tons/weight. Example: Dumpster picked up weekly, ~500 lbs each time = 13 tons/year to landfill.
Paper, plastic, metal, glass
1,000 gallons = 1 kgal
🏢 Leased Facilities/Equipment ? If you LEASE (not own) your building or equipment. Check: monthly lease/rent payments. Only fill this if you DON'T own your facility. Example: Pay $5,000/month rent = $60,000/year.
Only if leasing - total annual lease costs
💰 Purchased Goods & Services ? What you buy to run your business. Check: accounting software (QuickBooks, etc), expense categories. Goods = physical items (raw materials, supplies). Services = contractors, consultants. Cloud/IT = software subscriptions.
Physical products, materials, inventory
Consulting, professional services
AWS, Azure, SaaS subscriptions
⚙️ Processing of Sold Products ? ONLY if you sell raw materials/components that customers process further. Example: You sell steel → customer makes cars. Skip if you sell finished products directly to end users.
Only if you sell raw materials/components
Only if applicable - revenue from intermediate goods
⚡ Use of Sold Products ? ONLY if your products use energy when customers use them. Examples: You sell generators, AC units, vehicles. Skip if you sell food, clothing, or products that don't burn fuel or use electricity.
Only if you sell products that use energy
Revenue from energy-using products only
🔚 Product End-of-Life ? What happens when customers throw away your product. Select product type (electronics, packaging, etc.) and enter annual sales. Example: Sell $500K of plastic products/year → select "Plastic products" and enter $500,000.
Total revenue from physical products
🏢 Assets You Lease to Others ? ONLY if you own property/equipment that you rent out to others. Example: You own a building and rent space to other companies. Skip if you don't lease anything to others.
Only if you lease to others
🏪 Franchises ? ONLY if you operate franchise locations (like McDonald's, Subway model). How many franchise locations do you have? Skip if not applicable.
Only if you have franchisees
💼 Investments ? ONLY for banks, private equity firms, or investment companies. Total value of your investment portfolio. Skip if you're not a financial institution.
Only for financial institutions/investors
Total value of investment portfolio
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Complete Scope 3 Coverage: This calculator includes all 15 GHG Protocol Scope 3 categories. Categories marked "not applicable" can be left at default values. Spend-based factors use EPA/EEIO industry averages. For more accurate results on downstream categories, request customer-specific data.
Your Company · GHG Inventory
📅 Annual Report · 2024 🏢 Retail 👥 25 employees 📍 Chicago, IL
Total Annual Emissions
Scopes 1, 2 & 3 Combined
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MT CO₂e / year
Equivalent to driving 0 miles in a gasoline car
Scope 1 · Direct
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MT CO₂e
Scope 2 · Energy
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MT CO₂e
Scope 3 · Value Chain
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MT CO₂e
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