Plain figures, each with its source

Tax calculators, official data and a comparison of AI products: every number comes from a public source named on the page.

• Calculators

  IRPEF, IVA, the flat-rate regime (forfettario), TFR, ravvedimento, IMU and more, under the rules in force.

• Official data

  Income by municipality and the FOI price index, from MEF and Istat.

• AI compared

  AI products ordered by a published method, from Arena's public leaderboard.