Rates and measurements (ao, à)

Rates and Measurements

To say "by the" or "per" in Portuguese, combine the preposition a with the definite article of the measurement unit:

  • a
    • o = ao
  • a
    • a = à
  • a
    • os = aos
  • a
    • as = às

Masculine Measurements (ao)

For masculine units of measurement like a kilo (o quilo), use ao.

Here we sell the sardines by the kilo.
Aqui vendemos as sardinhas ao quilo.
The merchant likes to sell the carrots by the kilo.
O comerciante gosta de vender as cenouras ao quilo.

Feminine Measurements (à)

For feminine units like a ton (a tonelada), a pallet (a palete), or an individual unit (a unidade), use à.

Do you buy the octopus by the ton?
Compras o polvo à tonelada?
We buy the potatoes by the pallet.
Compramos as batatas à palete.
They sell the seafood by the unit.
Eles vendem o marisco à unidade.

Stating Prices

To state prices, you can use the verb custar (to cost) or place the preposition a right before the price.

The carrots and the potatoes cost one euro per kilo.
As cenouras e as batatas custam um euro ao quilo.
The merchant sells the strawberries at two euros a kilo.
O comerciante vende os morangos a dois euros ao quilo.

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