How much fun your children have playing in the new sandbox depends not least on the amount of sand in the box. There should be enough sand to play and build with.
A sandpit should be about 60% full
How to calculate the amount of sand you need:
There is a simple formula to calculate how much sand you need for your sandbox. Multiply the length by the width and the height of the planned sandpit (each in centimetres). You can find a special calculator for this on the Internet. Here is an example calculation for a square sandbox with an edge length of 1.20 m and a height of 50 cm:
120×120×50 = 720,000
Since the sandpit should only be half filled with sand, calculate 60 percent of the result. So your children have enough sand to play with, but not so much that it is constantly being shoveled outside over the edge.
720,000 x 60 / 100 = 432,000
Assuming the density of the sand is 1.3 g/cm³, multiply the number obtained by 1.3 and divide by 1000. The result is the required amount of sand in kilograms.
432,000 x 1.3 : 1,000 = 561.6 kg of sand
Which sand should I buy?
Only buy declared play sand. This is examined for pollutants and germs. In addition, the grain can only have a predetermined size. Sand that is too fine could be inhaled by playing children, while sand that is too coarse can irritate children's skin, which is still quite sensitive.
Where can I get play sand?
You can get play sand in hardware stores, well-stocked garden centers and, of course, on the Internet. It is usually packed in 25 kg bags. Pay attention to the shipping costs when placing an order. If you transport the sand in your car, put a tarpaulin in it to be on the safe side, this will make it easier for you to clean it up later if a sack is broken.
Useful tips when buying sand:
- Calculate the amount of sand correctly
- ideal filling level: 60%
- only buy special play sand
- Advantages of play sand: free of pollutants and germs, ideal grain size
tips
For the sake of your children, only use specially designated play sand. It has been tested and contains neither harmful substances nor germs.