# Energy

- Boiler Horsepower to BTU - This converter calculates the amount of heat in BTU based on the input of boiler horsepower.
- Electricity: Joules to Volts - Convert energy in joules to electrical potential in volts by dividing the energy by the charge. This tool helps with electrical engineering calculations.
- Energy Efficiency - This calculator helps find the energy efficiency of a system based on the output and input energy.
- Flux in Cosmology - The formula calculates the flux in cosmology, which is vital in understanding energy and particle flow through specific areas in the universe.
- Grams to Calories - This converter calculates the energy in calories from the given mass in grams and the substance density.
- Gravitational Potential Energy - Calculate gravitational potential energy using mass and height with this formula. This calculator is useful in physics and engineering applications.
- Mass-Energy Equivalence - The mass-energy equivalence principle, expressed by Einstein's famous formula E=mc^2, determines the energy content of an object based on its mass. Use this calculator to explore the relationship between mass and energy.
- Planck's Energy of a Photon - Planck's energy of a photon formula calculates the energy (E) associated with a photon given its frequency (ν) using Planck's constant (h).
- Potential Energy - The potential energy of an object is calculated using its mass, height, and the acceleration due to gravity. This calculator helps in finding potential energy.
- Power Formula - The power formula calculates the power generated or used in a given time period. This formula is essential for understanding energy consumption and power generation.