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Ventilation efficiency calculator in the bathroom, toilet or kitchen
With this calculator, we will find out what ventilation efficiency should have depending on the size, height and type of room, e.g. in the kitchen, bathroom or toilet. The ventilation calculator will help us choose the right fan for the selected room, e.g. it will facilitate the selection of the hood for the kitchen.
To get the result, select the type of room and its dimensions.
To get the result, select the type of room and its dimensions.
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Home heat loss calculator
This calculator is a complete tool to calculate the heat loss of your home
Whit this calculator, we will find out what the heat losses are, e.g. through the ceiling, external walls, windows, floor in each room of our house, depending on the type of building material, number of layers, insulation and external temperature.
ROT47 cipher - encoder / decoder
ROT47 cipher online encoder and decoder. Encrypt and decrypt any cipher created in a ROT47 cipher. You can use any shift and additionally a key for more precise text encoding.
Rail Fence, Zig-Zag - encoder / decoder
Rail Fence, Zig-Zag cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Rail Fence, Zig-Zag cipher.
Rhombus - diagonals, area, perimeter, sides
Rhombus calculator will help you calculate the long diagonal of the rhombus, the short diagonal of the rhombus, the side length, height, area of the rhombus, radius of the circle inscribed in the rhombus.
Morse code translator, encoder-decoder
With the converter, you can quickly translate any sentence into Morse code and vice versa. You can listen to the translated code, see it thanks to the light signals or, using the phone, feel it through vibration.
Morse code is used nowadays mainly in amateur radio, it is also useful in many other areas of life.
Child height in the future. Predicted Adult Height calculator
Height calculator will help you calculate what height your child will have in the future, ie when it stops growing. Predicted Adult Height
Voltage drop calculator for single-phase and three-phase circuits
With this calculator you will calculate the voltage drops for single-phase and three-phase AC circuits calculated from active power.
You will also calculate cable length, conductor diameter, conductor cross-sectional area, phase or line voltage or active power.