Prepositions of rate and frequency (i, om)

Expressing "Per" (Rates and Frequencies)

When comparing home internet speeds and broadband plans, you will often need to talk about data limits and costs—how much you pay "per month" or how fast it downloads "per second".

In Danish, the preposition for "per" depends on the length of the time period. Use either om or i, followed by the time noun in its definite form.

"Om" for Longer Periods

For periods of a day, week, month, or year, Danish uses om with the definite form (e.g., måneden instead of måned).

  • om måneden (per month)
  • om året (per year)
The provider gives us a hundred gigabytes of data per month.
Udbyderen giver os hundrede gigabyte data om måneden.
This broadband is way too expensive per month.
Dette bredbånd er alt for dyrt om måneden.

"I" for Shorter Periods

For shorter timeframes like seconds, minutes, or hours, Danish uses i. Again, the time noun must be definite (sekundet, timen).

  • i sekundet (per second)
  • i timen (per hour)
He can download fifty megabits per second on the fiber-optic network.
Han kan downloade halvtreds megabit i sekundet på fibernettet.
The computer uploads one gigabyte per hour in order to share the file.
Computeren uploader en gigabyte i timen for at dele filen.

Comparing Plans

Now you can confidently evaluate a package deal (en pakkeløsning) from a provider, making sure the megabits per second are high and the cost per year is low!

What does that package deal cost per year at the provider?
Hvad koster den pakkeløsning om året hos udbyderen?