Mileage reimbursement calculator

You multiply the kilometres driven by the vehicle cost per kilometre taken from the ACI tables. A round trip doubles the kilometres, and several trips multiply it further. The ACI cost is not the fuel price: it also covers wear, servicing, road tax, insurance and depreciation.

They are inside. The fuel type, make and model menus read the 2026 ACI tables published in the Italian official gazette no. 297 of 23 December 2025: 5,130 vehicles across cars in and out of production, motorcycles and motorhomes. Pick yours and the cost per kilometre fills itself in. The files are the official ones from aci.gov.it, released under a CC BY 4.0 licence, and they stay inside the page: choosing a model sends nothing anywhere.

The per-kilometre cost ACI publishes in the gazette is the one worked out on 15,000 km a year, and it is the figure normally quoted on an expense note. The real cost changes with the kilometres you drive: below 15,000 it goes up, because road tax, insurance and depreciation spread over less road, and above it goes down. The other mileage bands live on the costikm.aci.it service, which cannot be automated. If you have that figure, or if your exact trim is not listed, the cost per kilometre field stays editable by hand.

From the open data of the Italian ministry price observatory, where every station is required to report the price it charges. Every morning we recompute the average across all active stations, keeping self service and attended apart, ordinary roads and motorways apart, and leaving out premium products such as Blue Diesel or HVO, which cost up to forty cents more and would skew the average. The date of the data is printed under the price.

No, when it is worked out from the ACI tables. Since 2025 legislative decree 192/2024 has rewritten article 51(5) of the Italian income tax code, and the exemption now also covers trips inside the municipality, which used to be taxable unless backed by a carrier ticket. Circular 15/E of 22 December 2025 does require the paperwork to show the route, the vehicle, the per-kilometre cost applied and the business reason. Anything paid above the table is taxable income.

No. The traceable payment requirement introduced by the 2025 budget law applies to meals, lodging, travel and taxi or private hire transport. Mileage allowances stay outside it, because there is no employee outlay to pay by card: there is their own car that covered some kilometres. The Italian revenue agency confirmed this in circular 15/E of 2025.

Because a car costs more than the fuel in it. The ACI table folds tyres, servicing, repairs, road tax, insurance and depreciation into the per-kilometre cost: real costs that someone putting their own car to work actually bears. The gap between the two figures above is exactly that share.

The article 51 mechanism is about employees. A freelancer travelling to a client does not receive a tax-free reimbursement: they bill the trip, and that amount is fee income, with VAT and withholding where applicable. The ACI tables are still the most defensible way to quantify it, which is why this page keeps them at the centre.

You multiply the kilometres driven by the cost per kilometre for that vehicle from the ACI tables. A return trip doubles the distance. The ACI figure is not the fuel price: it also covers wear, servicing and depreciation.

From the open data of the Italian ministry price observatory, where every filling station has to report what it charges. Every morning the average across all active stations is worked out again.

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