# Calculate proportionally heating costs

Calculation of the share of the heating costs or additional costs of a tenant from the share of the total costs. A cost sheet often lists costs and shares for the entire residential complex and for the own apartment. The correctness of this can be checked here. Heating, hot water and waste water are often the largest items in the additional costs, but there can be many other items. Each item can be calculated individually here.

Please enter three of the four values for total and own costs and share. These four values also include your own share, which is preset to one. The fourth of these values as well as the own share in percent and the cost per share are calculated.

Example: with six apartments of the same size in a building, the total share is 6, the own share is 1. With total costs of €/$1200, your own costs are €/$200.

For residential units of different sizes, the total area and your own area can each be specified in square meters for the shares. For example, 1500 square meters of total area and 110 square meters of apartment size, your own costs are €7.33 per €100 of total costs.

Residential units can also be weighted differently, so that one square meter in one apartment has a higher heating requirement than in another. However, there must be good reasons for this, for example due to different insulation or because lower floors have a higher heating requirement than upper ones.

## Calculate Price and kWh

The heating energy is usually specified in kilowatt hours, kWh. If you know two values of price per kilowatt hour, consumed kilowatt hours and total price, then the third value can be calculated. For the price per kWh, the amount is given in cents, for the total price in euros or dollars.

Example: at a price of seventeen cents per kilowatt hour and 2500 kilowatt hours consumed, the total price is 425 euros.

Here you can convert metric units into customary and imperial units and convert temperature units.

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