By using this online calculator, you agree to the Terms and Conditions (T&C) of our website, including the provisions outlined in our Disclaimer. Please note that this is the basic version of the calculator. An advanced version of this calculator can be tailored to specific needs. For more information, including customization options, please contact us. Get in touch with us for more details. Email: lichin@emi-cast.com
Maritime decarbonisation
FuelEU and CII Calculator
Explore how fuel choice, low-carbon measures and annual vessel performance influence FuelEU Maritime compliance and IMO Carbon Intensity Indicator ratings.
2025–2050 outlookInstant results
Step 1
Define the assessment inputs
Fuel Selection
⛽
Low-carbon options
🌬️
Ship Characteristics
Voyage Characteristics
Step 2
Review results for reporting
WtW GHG intensity
–
gCO₂eq/MJ
FuelEU balance
–
tCO₂eq
Attained CII
–
gCO₂/dwt·nm
CII rating
–
FuelEU Maritime
- Uptake of sustainable alternative fuels & energy onboard
- Use onshore power supply (OPS) at ports
Emission intensity in Year 2025–2050
FuelEU reference value is 91.16 gCO₂eq/MJ in 2020.
| Result | Value |
|---|---|
| Compliance balance (tons CO₂eq) | – |
| FuelEU penalty (EUR) | – |
IMO CII
- Could be improved with optimisation of ship design, engine efficiency and uptake of low-carbon fuels.
CII in Year 2025–2050
CII Rating
–
Attained CII: –
TtW CO₂ is the current CII basis. TtW and WtW GHG lines include all greenhouse gases and lifecycle emissions respectively, for forward-looking comparison.
📄 Generate Report
Creates a formal PDF report of this page's fuel, ship and annual performance assessment.
FuelEU and CII Calculator · Public screening tool · Results are indicative and do not replace verified regulatory calculations, class guidance or an approved monitoring plan.
Watch this demo video with step-by-step guidance on how to use this calculator!
