Joules to Volts Calculator
Calculate voltage (Volts) from energy (Joules) and charge (Coulombs).
Table of Contents
Joules to Volts Conversion
Joule?
A joule (J) is the SI unit of energy, work, and heat. One joule equals:
- Energy from 1 newton force over 1 meter
- Power of 1 watt for 1 second
- Energy of 1 ampere through 1 ohm for 1 second
Volt?
A volt (V) is the SI unit of electric potential difference. It represents:
- Energy per unit charge (joules per coulomb)
- Electrical pressure driving current flow
- Common measure in everyday electronics
Coulombs
A coulomb (C) is the SI unit of electric charge, equal to:
- Charge transferred by 1 ampere in 1 second
- Approximately 6.242 ร 10^18 electrons
- Key unit in electrical calculations
Converting Joules to Volts: Step-by-Step Guide
Basic Conversion Formula
Voltage (V) = Energy (J) รท Charge (C)
Practical Example
Given:
- Energy = 12 joules
- Charge = 4 coulombs
Solution: V = 12 J รท 4 C = 3 Volts
Real-World Applications
Electronic Design
Circuit planning and power management
Battery Systems
Energy storage calculations
Power Supplies
Voltage regulation and conversion
Energy Storage
Capacity and efficiency planning
Important Considerations
- Voltage always depends on both energy and charge
- Units must be consistent (joules, coulombs, volts)
- Consider system losses in practical applications
Joules to Volts Conversion Table
| Energy (Joules) | Charge (Coulombs) | Voltage (Volts) |
|---|---|---|
| 12 J | 4 C | 3 V |
| 24 J | 8 C | 3 V |
| 36 J | 12 C | 3 V |
| 48 J | 16 C | 3 V |
| 60 J | 20 C | 3 V |
| 72 J | 24 C | 3 V |
| 84 J | 28 C | 3 V |
| 96 J | 32 C | 3 V |
| 108 J | 36 C | 3 V |
| 120 J | 40 C | 3 V |
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