What Is This Tool?
This unit converter allows users to transform power values from erg per second (erg/s), a CGS-unit commonly used in astrophysics, into megajoule per second (MJ/s), a large-scale SI unit frequently applied in electrical, mechanical, and thermal power industries.
How to Use This Tool?
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Enter the power value in erg per second you want to convert
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Select erg/second as the starting unit
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Choose megajoule/second as the target unit
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Click the convert button to get the equivalent power in MJ/s
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Review the result, which reflects the conversion by the factor 1e-13
Key Features
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Converts power measurements from erg/second (erg/s) to megajoule/second (MJ/s)
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Supports astrophysical and industrial power unit comparisons
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Uses the precise conversion rate of 1 erg/s = 1×10⁻¹³ MJ/s
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Browser-based tool with easy input and output
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Helps interpret small-scale CGS power units in modern SI terms
Examples
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5 erg/s converts to 5 × 1e-13 MJ/s = 5e-13 MJ/s
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1,000,000 erg/s converts to 1,000,000 × 1e-13 MJ/s = 1e-7 MJ/s
Common Use Cases
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Expressing luminosities and radiative power of stars and other astronomical bodies
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Converting CGS-based theoretical power values from older scientific literature
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Reporting power ratings of power plants and turbines in SI units
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Describing thermal power rates in industrial boilers and heat exchangers
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Comparing astrophysical power values with industrial-scale energy consumption
Tips & Best Practices
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Ensure correct unit selection before conversion to avoid mistakes
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Use this tool for compatibility between astrophysics CGS units and modern SI units
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Double-check very small converted values for rounding effects
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Apply conversion mainly for interpretation or reporting purposes
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Keep in mind the scale difference when comparing erg/s with MJ/s
Limitations
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Results are very small decimal numbers because erg/s is a much smaller power unit
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Conversion mainly serves comparison rather than direct practical industrial use
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Rounding errors can occur due to the scale difference
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Erg/s is rarely used directly in large-scale power applications
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Not intended for precision scientific calculations beyond unit conversion
Frequently Asked Questions
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What is an erg per second?
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An erg per second (erg/s) is a CGS unit of power representing one erg of energy transferred each second, commonly used in astrophysics.
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How does erg/second relate to megajoule/second?
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1 erg/second equals 1×10⁻¹³ megajoule/second, meaning erg/s values convert to very small decimal numbers in MJ/s.
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Why convert erg/second to megajoule/second?
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This conversion helps express power measurements from astrophysical CGS units into large-scale SI units suitable for industrial and engineering contexts.
Key Terminology
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Erg/second (erg/s)
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A CGS unit of power equal to one erg of energy transferred per second, often used in astrophysical contexts.
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Megajoule/second (MJ/s)
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An SI unit of power representing one million joules per second, equivalent to one megawatt.
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Power
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The rate at which energy is transferred, produced, or consumed.