online electronic calculator - Ohm's law and much more

Capacitor Δ energy calculator

Online calculator for formulas used in electronic circuit design and electrical engineering.

Basic electric calculations:

Ohm's Law, Ohm's Law with power, DC power, AC real power, LC resonant frequency, Capacitor charging/discharging, Capacitive reactance, Capacitive current + reactive power, Capacitor energy, Capacitor Δ energy, RC discharging, Inductor square pulse, Inductive reactance, Inductive current + reactive power, Inductor energy, 2 parallel resistors, 3 parallel resistors, System bandwidth, Bandwidth ↔ rise time

Wire and winding calculations:

Diameter ↔ cross section ↔ AWG, Wire resistance, Wire weight, Current density, Wire R thermal drift

Calculate Capacitor Δ energy: 5F, 12V, 6V, mJ


Energy added to a pre-charged capacitor or released by partially discharging a capacitor. Here, added energy is positive, released energy is negative. You can calculate the change of energy stored in a capacitor knowing the capacitance, the initial voltage 1 and final voltage 2. You can also calculate how the voltage of a capacitor with a known capacitance changes by storing a given amount of energy in it or releasing a given amount of energy from it.   E = ½ C.(V22-V12)   formula.

Enter any 3 values, the 4th field will be calculated:

Capacitance: -0.1 +0.1 -1 +1 -10 +10 -100 +100
Voltage 1: -0.1 +0.1 -1 +1 -10 +10 -100 +100
Voltage 2: -0.1 +0.1 -1 +1 -10 +10 -100 +100
Δ Energy: -0.1 +0.1 -1 +1 -10 +10 -100 +100
Output metric prefix:   Automatic    User-selected
 

Standard EIA Decade Values of capacitors - decade 1 to 10 F

E6E12E24
1.0 F
1.5 F
2.2 F
3.3 F
4.7 F
6.8 F
1.0 F, 1.2 F
1.5 F, 1.8 F
2.2 F, 2.7 F
3.3 F, 3.9 F
4.7 F, 5.6 F
6.8 F, 8.2 F
1.0 F, 1.1 F, 1.2 F, 1.3 F
1.5 F, 1.6 F, 1.8 F, 2.0 F
2.2 F, 2.4 F, 2.7 F, 3.0 F
3.3 F, 3.6 F, 3.9 F, 4.3 F
4.7 F, 5.1 F, 5.6 F, 6.2 F
6.8 F, 7.5 F, 8.2 F, 9.1 F

Other capacitance decades:

1 - 10 pF, 10 - 100 pF, 100 - 1000 pF, 1 - 10 nF, 10 - 100 nF, 100 - 1000 nF, 1 - 10 uF, 10 - 100 uF, 100 - 1000 uF, 1 - 10 mF, 10 - 100 mF, 100 - 1000 mF, 1 - 10 F, 10 - 100 F, 100 - 1000 F, 1 - 10 kF, 10 - 100 kF, 100 - 1000 kF,

Some common voltages:

Alkaline
Zinc-Carbon
NiMH, NiCd
rechargeable
Li-Ion
3.6V
Li-Ion
3.7V
Li-Ion
full 4.2V
LiFePO4
(LFP) 3.2V
Lead-acid
battery
Power
supply
1-cell: 1.5V
2-cell: 3V
3-cell: 4.5V
4-cell: 6V
5-cell: 7.5V
6-cell: 9V
7-cell: 10.5V
8-cell: 12V
9-cell: 13.5V
10-cell: 15V
11-cell: 16.5V
12-cell: 18V
1-cell: 1.2V
2-cell: 2.4V
3-cell: 3.6V
4-cell: 4.8V
5-cell: 6V
6-cell: 7.2V
7-cell: 8.4V
8-cell: 9.6V
9-cell: 10.8V
10-cell: 12V
11-cell: 13.2V
12-cell: 14.4V
1-cell: 3.6V
2-cell: 7.2V
3-cell: 10.8V
4-cell: 14.4V
5-cell: 18V
6-cell: 21.6V
7-cell: 25.2V
8-cell: 28.8V
9-cell: 32.4V
10-cell: 36V
11-cell: 39.6V
12-cell: 43.2V
1-cell: 3.7V
2-cell: 7.4V
3-cell: 11.1V
4-cell: 14.8V
5-cell: 18.5V
6-cell: 22.2V
7-cell: 25.9V
8-cell: 29.6V
9-cell: 33.3V
10-cell: 37V
11-cell: 40.7V
12-cell: 44.4V
1-cell: 4.2V
2-cell: 8.4V
3-cell: 12.6V
4-cell: 16.8V
5-cell: 21V
6-cell: 25.2V
7-cell: 29.4V
8-cell: 33.6V
9-cell: 37.8V
10-cell: 42V
11-cell: 46.2V
12-cell: 50.4V
1-cell: 3.2V
2-cell: 6.4V
3-cell: 9.6V
4-cell: 12.8V
5-cell: 16V
6-cell: 19.2V
7-cell: 22.4V
8-cell: 25.6V
9-cell: 28.8V
10-cell: 32V
11-cell: 35.2V
12-cell: 38.4V
1-cell: 6V
2-cell: 12V
3-cell: 18V
4-cell: 24V
5-cell: 30V
6-cell: 36V
7-cell: 42V
8-cell: 48V
9-cell: 54V
10-cell: 60V
11-cell: 66V
12-cell: 72V
1.8V
2.5V
3V
3.3V
5V
6V
9V
12V
15V
18V
24V
48V

Capacitor Δ energy formula says:

•Discharging a 5F (five farads) capacitor from 12V (twelve volts) to 6V (six volts) releases 270J (two hundred and seventy joules) of energy.
•Removing 270J (two hundred and seventy joules) of energy from a 5F (five farads) capacitor will lower its voltage from 12V (twelve volts) to 6V (six volts).



This is a simple online calculator for formulas used in electronic engineering and design.

This online calculator is for reference only. I do not guarantee it to work correctly. You use this at your own risk only.