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754 tools
Mechanical advantage calculator finds out the force amplification when using levers, pulleys, screws, wedges, ramps, and wheels & axles.
The NPSH calculator – net positive suction head – is a handy tool that will help you obtain the available NPSH of your system, so you can avoid having cavitation in your pump.
Calculate the force in a cylindrical piston from the pressure applied.
Our piston speed calculator calculates the mean speed a piston moves in the cylinder bore.
Use this tool to calculate the prop pitch of a boat from its speed, gear ratio, engine speed, and propeller slip.
Use this tool to calculate the prop slip of a boat propeller.
Pulley calculator finds all parameters of a belt drive system: the RPM, speed, belt length, belt tension, and torque.
Determine the hydraulic and shaft power of pumps using the pump horsepower calculator.
Determine the minimum diameter of your shaft using our shaft size calculator.
This speeds and feeds calculator will help you set the rotation speed and feed rate of your machine tool.
The famous spring calculator helps you determine the relationship between spring deformation and the force or torque applied.
The spring rate calculator can help you obtain the spring rate (spring constant) for any given spring.
Omni's torsion spring calculator makes calculating the parameters of such a device quick and easy!
The transmission calculator helps you quickly determine vehicle speed, RPM, and the right transmission and differential gear ratios.
Use the twist rate calculator to estimate the bullet stability factor and the right twist rate for the bullet.
Determine the wing loading parameter to kick-start your aircraft design process using the wing loading calculator.
The alien civilization calculator explores the existence of extraterrestrial civilizations by comparing two models: the Drake equation and the Astrobiological Copernican Limits👽
How much speed do you need to move in space? Find it out with our delta-v calculator!
This Earth orbit calculator determines the speed and orbital period of a satellite at a given height above average Earth sea level.
The exoplanet discovery calculator allows you to play around and discover the calculations that got a Nobel Prize in 2019 for the discovery of planets outside the solar system.
Hohmann transfer calculator lets you find the best fuel-efficient transfers between two circular orbits.
The rocket equation calculator helps you estimate the final velocity of a rocket.
Use this Kepler's third law calculator to find the relationship between a planet's orbital period and it semi-major axis (or mean orbital radius).
Enter the orbital period calculator, where you can calculate the orbital period of a binary system, a satellite around the Earth, and much more while learning about the universe and the laws that rule it.