Circuit Analysis Calculators
Master electrical circuit behavior through Ohm’s Law, resistance, capacitance, and transient analysis.
Ohm’s Law Calculator
Input Values
Enter any two values to calculate the third.
Ohm’s Law Formulas
V = I × R (Voltage)
I = V / R (Current)
R = V / I (Resistance)
Results
Enter any two values to calculate the third.
Voltage (V):
0 V
Current (I):
0 A
Resistance (R):
0 Ω
Power (P):
0 W
Series Resistor Calculator
Input Values
Enter resistance values for up to 5 resistors in series.
Series Circuit Formula
Rtotal = R₁ + R₂ + R₃ + … + Rₙ
Results
Enter resistor values to calculate total resistance.
Total Resistance:
0 Ω
Applied Formula:
Parallel Resistor Calculator
Input Values
Enter resistance values for up to 5 resistors in parallel.
Parallel Circuit Formula
1/Rtotal = 1/R₁ + 1/R₂ + 1/R₃ + … + 1/Rₙ
Results
Enter resistor values to calculate total resistance.
Total Resistance:
0 Ω
Applied Formula:
Capacitance Calculator
Input Values
Capacitance Formulas
Series:
1/Ctotal = 1/C₁ + 1/C₂ + 1/C₃ + … + 1/Cₙ
Parallel:
Ctotal = C₁ + C₂ + C₃ + … + Cₙ
Results
Enter capacitor values to calculate total capacitance.
Total Capacitance:
0 μF
Applied Formula:
RC Time Constant Calculator
Input Values
Enter resistance and capacitance values to calculate the time constant.
RC Time Constant Formula
τ = R × C
Charging voltage formula:
V(t) = V₀(1 – e-t/RC)
Discharging voltage formula:
V(t) = V₀e-t/RC
Results
Enter resistance and capacitance values to calculate the time constant.
Time Constant (τ):
0 s
Time to Reach Voltage Levels (Charging):
| Time | % of Supply | Voltage |
|---|---|---|
| 1τ | 63.2% | 0 V |
| 2τ | 86.5% | 0 V |
| 3τ | 95.0% | 0 V |
| 4τ | 98.2% | 0 V |
| 5τ | 99.3% | 0 V |