Final Drive Gear Ratio Calculator: Trans x Axle & RPM
Learn how force transfers to the pavement. Don’t get hung up on horsepower numbers. The last mechanical action that transmits power to your tires is … Read More
JSCalc
Implied Probability Calculator: Odds to Probability & Vig
The odds say one thing. The game says another. Most bettors make their money based off that gap between what they think should happen, and … Read More
Sound Velocity Calculator: Speed of Sound in Air & Water
The reason we know lightning precedes thunder (besides watching the occasional movie) is that sound moves slower than light. That delay give us an idea … Read More
Sample Standard Deviation Calculator (n-1 Bessel)
We think standard deviation is just a measure of how spread out a set of numbers are and we are only partially right. What’s tricky … Read More
Electric Force Calculator: Coulomb Force & Field (N/C)
Electricity is an invisible thing; yet you might not realize just how much force is present between tiny charges. Those seemingly annoying static shocks is … Read More
Degree to Radian Converter (Degrees, Radians, Gradians)
Working on engineering sketches means working with angles. For example, you measure roof pitch in degrees (because that’s what a protractor does), yet a spreadsheet … Read More
Torque Conversion Calculator: Nm, ft-lb, in-lb, kg-cm
A lot of times, it’s panic when you’ve got this thing and they list something different on service manual. Your tools say one unit and … Read More
Net Force Calculator: Sum Forces, F=ma, and Acceleration
Suppose two teams pull on an identical rope in opposite directions equally hard. Nothing happen. The rope doesn’t budge. It feels as if no forces … Read More
Ideal Gas Law Calculator: Solve PV = nRT for Any Variable
When we put a balloon into a fridge, what happens? It gets smaller! Why? Because the molecules within are slowed down and no longer bang … Read More
Arrow Kinetic Energy Calculator: KE, Momentum, Game
By the time you get that string pulled back right, the arrow’s going. But the felt quickness isn’t a sign of everything that occurs when … Read More