# Apps – Software

Electrical / Electronics Tools, Apps and Software

• ## Wire and Cable Size in AWG Calculator for 1 and 3-Phase Load

Wire and Cable Size in AWG Calculator for Single and Three-Phase Load There are multiple factors affecting wire size, including current carrying capacity, voltage drop, ambient temperatures, conductor material, frequency,…

• ## IC 555 Timer Calculator with Formulas and Equations

555 Timer Calculator with Formulas and Equations Formulas and Equations for 555 Timer IC Calculator Frequency (f) = 1/ [ ln(2) x C x (R1 + 2R2) ] Frequency (f) = 1.44 /…

• ## Battery Capacity Calculator

Battery Capacity in milli-Amp-Hour (mAH) Calculator Formula and Equations for Battery Capacity Calculator Battery Capacity in mAh = (Battery life in hours x Load Current in Amp) / 0.7 Battery…

• ## Battery Life Calculator

Formula and Equations for Battery Life Calculator Battery life = (Battery Capacity/ Load Current) × 0.7 Battery Life = (Ah rating of Battery / Amp) x Run Time % Where;…

• ## Zener Diode & Zener Voltage Regulator Calculator

Zener Diode & Zener Voltage Regulator Calculator Formulas and Equations for Zener Diode & Zener Voltage Regulator Calculator Series Current IS= VIN – VZ / RS….. (Ohm’s Law Again) Load Voltage VL = VZ Change…

• ## Power, Voltage, Current & Resistance (P,V,I,R) Calculator

Power, Voltage, Current & Resistance (P,V,I,R) Calculator This calculator is based on simple Ohm’s Law. As we have already shared Ohm’s Law (P,I,V,R) Calculator In which you can also calculate three phase…

• ## Inductance of Air Core Inductor Calculator

Formula & Equations for inductance of air Core inductor Calculator Inductance of an Air core coil inductor L = (N2 x d2) / (18d + 40l) … μH Where, N = Number…

• ## Series Capacitor Calculator

Capacitance of Capacitors in Series Calculator Formula & Equations for Series Capacitors Calculator Finding Total Series Capacitance (CT) when C1 and C2 Given; 1/CT = 1/C1 + 1/C2CT = C1||C2 CT = C1 x C2 / (C1 + C2)…

• ## Parallel Inductors Calculator

Inductance of Parallel Connected Inductors Calculator Formula & Equations for Parallel Inductors Calculator Finding Total Inductance (LT) when L1 and L2 are given; 1/LT = 1/L1 + 1/L2 LT = L1||L2 LT = L1 x L2 /…

• ## Parallel Resistors Calculator

Resistance of Parallel Connected Resistors Calculator Formula & Equations for Parallel Resistors Calculator Finding Total Resistance (RT) when R1 and R2 are given; 1/RT = 1/R1 + 1/R2 RT = R1||R2 RT = R1 x…