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Hotel Occupancy Rate Calculator

Enter rooms sold and rooms available to find your occupancy rate.

Result

78.89%
38 rooms
180 rooms

How it is calculated

Occupancy is the share of your sellable rooms that were actually sold: occupancy % = rooms sold ÷ rooms available × 100. The tool also reports the unsold rooms, vacant = rooms available − rooms sold, and echoes the available count. Both inputs are room counts for the same night, or room-nights totalled over the same period. The rate is shown with two decimals.

Rooms available should be the rooms you could really have sold, so rooms out of order for repairs are normally left out of the denominator. The tool gives no result if rooms available is zero or negative, if rooms sold is negative, or if rooms sold exceeds rooms available. Zero rooms sold is accepted and gives 0.00% with every room vacant. Occupancy ignores price, so read it alongside ADR or RevPAR.

Worked example

A 180-room hotel sells 142 rooms on a Saturday. Occupancy = 142 ÷ 180 = 0.78889, and × 100 gives 78.89%. Vacant rooms = 180 − 142 = 38. If 6 rooms were out of order and you count only 174 available, the same sales give 142 ÷ 174 = 81.61%, so the choice of denominator changes the picture.

Try this example →

Common mistakes

  • Counting out-of-order or owner-blocked rooms in rooms available in one report and leaving them out in the next. Keep one rule.
  • Mixing one night's rooms sold with a monthly rooms-available figure. For a period, use room-nights for both.
  • Counting guests instead of rooms. Two guests in one room are one room sold.
  • Reading high occupancy as high revenue. A hotel full at a deep discount can earn less than one at 70% with a higher rate.
  • Entering more rooms sold than available, for example by counting overbooked guests. The tool shows no result.

About this calculator

Occupancy rate is one of the three core metrics hotel revenue managers track daily, calculated simply as rooms sold divided by rooms available, expressed as a percentage. It measures how effectively a property is filling its physical inventory on a given night, independent of what rate those rooms sold at.

Occupancy is almost always read alongside ADR (Average Daily Rate) and RevPAR (Revenue Per Available Room, calculated as ADR × Occupancy Rate), because a hotel can hit 100% occupancy at a heavily discounted rate and still underperform a property running 70% occupancy at a premium rate. Hotel operators use the vacant-room count this calculator also reports to weigh short-term tactics like flash sales or channel-manager rate drops to move unsold inventory before the night is lost.

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  • Editorial team

    The same formula works for a month if you switch both inputs to room-nights. A 100-room property over 30 nights has 3,000 available room-nights, so 2,550 sold gives 85.00% with 450 left unsold, the same as 85 of 100 on one night. Occupancy ignores price, so pair it with your average rate before judging a month. Do you report occupancy on all rooms, or only sellable ones?

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