∿
Engineering
Fluids, electrical, psychrometrics.
∿open →
Dew Point Calculator
At what temperature will the air start to condense?
b·γ / (a − γ)
∿open →
Voltage Drop Calculator
How much voltage is lost over this wire run, and is it within 3 %?
k · I · R · L
∿open →
Pump Power Calculator
How much power does a pump need for this flow and head?
ρ g Q H / η
∿open →
Pipe Pressure Drop Calculator
What is the friction pressure drop through this pipe?
f (L/D) ρv² / 2
∿open →
Psychrometric Calculator (Moist Air)
What are the wet-bulb, dew point, humidity ratio and enthalpy of this air?
W = 0.622·p_w / (p − p_w)
∿open →
Pipe Insulation Heat Loss Calculator
How much heat does this pipe lose, and how much does insulation save?
ΔT / (R_ins + 1/hA)
∿open →
Engineering Unit Converter
What is this value in another unit — with a check that the units are compatible?
x · f_from / f_to