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![Sound Speed in Water Calculator](https://bluerobotics.com/wp-content/uploads/2021/08/NPL-water-sound-speed-300x300.png)
Speed of Sound in Water Calculator
This calculator has inputs for temperature (℃), depth (m)/pressure (kPa), and salinity (ppt), and outputs the speed of sound in water. Some information is provided for salinity level estimation.
![](https://bluerobotics.com/wp-content/uploads/2020/04/Screen-Shot-2020-06-04-at-1.24.29-PM-300x300.png)
Electrical Cable Voltage Drop Calculator
Calculate the voltage drop for a given current through the cable or the current through the cable required for a given voltage drop!
![](https://bluerobotics.com/wp-content/uploads/2015/05/foam-16-300x300.png)
Buoyancy Calculator
Use this calculator to find the buoyancy of an object based on its displacement.
![](https://bluerobotics.com/wp-content/uploads/2019/01/services-under-pressure-4-3-300x300.jpg)
Under Pressure – Pressure Vessel Calculator
Use the Under Pressure software to calculate theoretical failure depths for various enclosures.
![](https://bluerobotics.com/wp-content/uploads/2015/06/Robot-and-the-predator-300x300.jpg)
Pressure-to-Depth and Depth-to-Pressure Calculator
This calculator determines the water depth to reach or given pressure or the pressure at a given depth.