AWG Voltage Drop Calculator With Gauge Selector Chart
When you flip the light switch to turn on the garage work lights, they flicker. You’ve got the proper wire gauge for the required amperage … Read More
JSCalc
12 Gauge Wire Voltage Drop Calculator (12 AWG Cu/Al)
Your garage just underwent a huge remodel. There are new lights, fresh concrete, and everything else. Time for some trim work so you grab your … Read More
LVL Beam Load Calculator: Span, Bending & Deflection
There’s a wall there now, but you want open space. You’re standing in that empty room. The roof hangs overhead and gravity pulls down. How … Read More
Work and Power Calculator: W = Fd cosθ, P = W/t, P = Fv
To put it another way: if you have to haul a heavy suitcase up a long staircase, do you notice the difference between efficiency and … Read More
Free Fall Impact Force Calculator (Drop Height & Force)
Drop your phone off your shoulder. On contact with the ground, it smashes into pieces on the concrete floor. But if you think it’s the … Read More
Free Fall Calculator With Air Resistance & Terminal Velocity
In high school physics class, we solved a lot of problems about dropping a ball in vacuum. But the real world has an atmosphere that … Read More
Total Momentum Calculator for a System of Objects
If you know about momentum then you can tell what is going to happen when two pool balls collid. Momentum combines an object’s resistance to … Read More
Initial Momentum Calculator (p = mv and via Impulse)
Physics problems start most of the time with a who-cares question: Where was something when it all went pear shaped? The answer is starting momentum. … Read More
Sound Wavelength Frequency Calculator (Lambda = v/f)
The speed of sound vary with air temperatures; summer sounds are not the same as winter in a concert hall. Why? Sound waves has wavelengths … Read More
Ohms Law Calculator: Voltage Drop, Power & V=IR
I’m willing to bet that most failed electronics projects are caused by forgetting to calculate power dissipation, not a bad circuit design. You plug something … Read More