Calculation of the energy in the capacitor comes down to introducing the known voltage, resistance and capacitance. The online calculator will calculate everything on its own.

Online calculator that allows you to determine the labeling of SMD resistors, knowing the resistance. By the designation, find out how many ohms the SMD resistor is designed for.

Online transfer of Watt to Amperes. A calculator with which you can convert power to current, knowing the voltage. Examples of calculations for different cases.

Online calculator that calculates the fuse for current. Formulas that allow you to calculate the diameter of the wire for the fuse yourself.

Online calculation of the charging time of the car battery charger. A simple calculator in which you need to enter the battery capacity and charger current.

Perform the calculation of the electric circuit, knowing the voltage and current strength. A simple online calculator with which you can quickly calculate the electrical circuit.

Online calculator with which you can calculate the resistor for the LED. All the necessary formulas, table and example of calculation work.

Online calculator for calculating the reactance of a capacitor and inductance. Formulas to help you calculate reactance manually.

Online calculator for calculating cable voltage losses. Formulas with which you can independently calculate the voltage loss in the cable line.

Online calculator with which you can calculate the coreless inductor. Formula for manual coil calculation.

Online calculator for calculating the color marking of resistors in 4 and 5 bands. Using the selection method, you can determine the value of the resistor by color coding.

Online calculator for quick calculation of direct wire inductance. Formula with explanations for calculating the inductance of a direct conductor.

Online calculator that allows you to calculate the voltage divider on the resistors. A quick way to calculate the current and voltage divider.

An online calculator that calculates cable weight by section and length. You can calculate the weight of the cable or wire for free by choosing the right brand.

Online calculator for calculating grounding resistance online. The calculator allows you to quickly calculate the length and resistance of a horizontal ground electrode.

Online calculator for calculating indoor lighting. The calculator allows you to calculate the power of the lamps for the room according to the given size of the room.

Online calculator for calculating the heat loss of a private house. The calculator allows you to calculate the heat loss and heat output of the boiler.

Online calculator for calculating cable cross-section by power and length. The calculator allows you to quickly calculate the cable cross-section in a single-phase and three-phase network!