What does calorie (IT)/second measure?

Calorie (IT)/second is a power unit representing the rate of heat energy transfer of one International Table calorie per second, mainly used in thermal power and heat-transfer contexts.

When should I use femtojoule/second units?

Femtojoule/second is used to quantify extremely small power levels, such as energy dissipation in nanoelectronics or power in quantum physics experiments.

Why are the converted numbers so large?

Because 1 calorie (IT)/second equals 4.1868 × 10^15 femtojoule/second, the difference in magnitude between these units generates very large numerical values upon conversion.

How to Convert from Calorie (IT)/second [cal/s] to Femtojoule/second [fJ/s]?

Learn how to convert power units from calorie (IT) per second to femtojoule per second with clear examples and practical use cases suitable for scientific and technical contexts.

Calorie (IT)/second [cal/s]

Femtojoule/second [fJ/s]

Please check your input. It must be a valid numeric value.

Calorie (IT)/second [cal/s] to Femtojoule/second [fJ/s] Conversion Table

Calorie (IT)/second [cal/s]	Femtojoule/second [fJ/s]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Calorie (IT)/second [cal/s] to Femtojoule/second [fJ/s] Conversion Table
Calorie (IT)/second [cal/s]	Femtojoule/second [fJ/s]

Explore More Power Units Converter

What Is This Tool?

This converter helps translate power measurements from calorie (IT) per second, a historical heat energy rate unit, into femtojoule per second, a unit used for extremely small power values relevant in nanoelectronics and experimental physics.

How to Use This Tool?

Enter the value in calorie (IT)/second that you want to convert
Select calorie (IT)/second as the source unit and femtojoule/second as the target unit
Initiate the conversion to get the power value in femtojoule/second
Review the result and use it for your scientific or technical calculations

Key Features

Converts power values from calorie (IT)/second to femtojoule/second accurately
Supports very large conversion factors reflecting the difference in unit scales
Provides example calculations for practical understanding
Useful for laboratory calorimetry, nanoelectronics, and quantum physics applications
Browser-based and easy to use

Examples

2 cal/s converts to approximately 8.3736 × 10^15 fJ/s
0.5 cal/s converts to about 2.0934 × 10^15 fJ/s

Common Use Cases

Expressing heat-transfer rates using the International Table calorie in laboratory calorimetry
Converting historical thermal power values for engineering analysis into SI units
Estimating energy dissipation in ultra-low-power nanoelectronic devices
Describing power consumption in single-photon detectors or molecular-scale devices
Reporting minimal heat loads in precision quantum measurement experiments

Tips & Best Practices

Use this converter to translate legacy data into modern power units
Handle large numerical results carefully to avoid computational or interpretative errors
Verify unit selections to ensure consistent and accurate conversions
Apply results in specific scientific contexts where such precise small or large power scales are required

Limitations

The significant scale difference can lead to very large numbers that may be difficult to manage
Calorie (IT) is a historical unit largely replaced by joules, requiring caution when working with older data
This tool does not perform conversions outside the specified units

Frequently Asked Questions

What does calorie (IT)/second measure?: Calorie (IT)/second is a power unit representing the rate of heat energy transfer of one International Table calorie per second, mainly used in thermal power and heat-transfer contexts.
When should I use femtojoule/second units?: Femtojoule/second is used to quantify extremely small power levels, such as energy dissipation in nanoelectronics or power in quantum physics experiments.
Why are the converted numbers so large?: Because 1 calorie (IT)/second equals 4.1868 × 10^15 femtojoule/second, the difference in magnitude between these units generates very large numerical values upon conversion.

Key Terminology

Calorie (IT)/second [cal/s]: A unit of power representing the rate of heat energy transfer measured as one International Table calorie per second.
Femtojoule/second [fJ/s]: A very small power unit equal to 10^-15 joules per second, used in nanoelectronics and physics for tiny energy transfers.
Power: The rate at which energy is transferred or converted per unit time.

Quick Knowledge Check

What type of quantity do both calorie (IT)/second and femtojoule/second measure?

Energy

Power

Force

In what context is femtojoule/second commonly used?

Historical heating systems

Quantum physics and nanoelectronics

Mechanical engineering

What should you be careful about when converting from calorie (IT)/second to femtojoule/second?

Misinterpreting large numerical results

Incorrect temperature measurement

Unit incompatibility

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