How it's calculated
To the official rate: 20.000 × 1,5516 (Argentine pesos by Chilean peso, dolarapi.com, data from 13/11/2026) = $ 31.032,00.
With a card on Chile: the consumption is converted to dollars and is charged to card dollar. We estimate 20.000 × (1,5516 / $ 1.570,00 official) × $ 2.041,00 card = $ 40.341,60. The card network uses its own exchange rate, so it may vary slightly; if you pay the statement with your own dollars, there is no 30% advance tax collection.
A month ago, the same amount was equivalent to $ 30.694,64 (+1,10%), according to the historical series. To travel, the usual is to take dollars and change them there or use card: Chilean weight is almost not achieved in Argentine banks.