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BTU/hr to Gigawatts Converter

Enter the power in btu/hr below to convert it to gigawatts.

Convert BTU/hr to Gigawatts

Enter a value in btu/hr (BTU/hr) to convert to gigawatts (GW).

Result
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1.465355e-9gigawatts
5 BTU/hr = 1.465355e-9 GW
Result updates automatically
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Suggested Conversions
Reference:NIST SP 811 (NIST SP 811 App. B.9 (Power & Radiant Flux))
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BTU per Hour to Gigawatt Conversion Table

Table showing various btu per hour measurements converted to gigawatts. Click any preset value or arrow to load it into the converter.

BTU/hr (BTU/hr)Gigawatts (GW)
1 BTU/hr2.930711e-10 GW
10 BTU/hr2.930711e-9 GW
100 BTU/hr0.000000029 GW
1,000 BTU/hr0.000000293 GW
10,000 BTU/hr0.000002931 GW
100,000 BTU/hr0.000029307 GW
1,000,000 BTU/hr0.000293071 GW
5,000,000 BTU/hr0.0014654 GW
10,000,000 BTU/hr0.0029307 GW
25,400,000 BTU/hr0.007444 GW

How to Convert BTU/hr to Gigawatts

To convert btu/hr to gigawatts, multiply the power by the following conversion ratio: 2.930711e-10 gigawatts/btu per hour.

Since one btu per hour is equal to 2.930711e-10 gigawatts, you can use this simple formula to convert:

gigawatts = btu/hr × 2.930711e-10

The power in gigawatts is equal to the power in btu/hr multiplied by 2.930711e-10.

For example, here's how to convert 5 btu/hr to gigawatts using the formula above.

gigawatts = (5 BTU/hr × 2.930711e-10) = 1.465355e-9 GW

How Many Gigawatts Are in a BTU per Hour?

There are 2.930711e-10 gigawatts in a btu per hour, which is why we use this value in the formula above.

1 BTU/hr = 2.930711e-10 GW|1 GW = 3,412,141,635.1330757 BTU/hr

Our btu per hour to gigawatt calculator automatically converts your power measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

BTU/hr and gigawatts are both units used to measure power. Keep reading to learn more about each unit.

What Is a BTU per Hour?

A btu per hour is a unit of power equal to 0.2930711 watts (W), the base unit for power. HVAC thermal rate (1 W ≈ 3.41214 BTU/hr). [1]

The btu per hour is classified as a US customary and imperial unit of power. BTU/hr can be abbreviated as BTU/hr; for example, 1 btu per hour can be written as 1 BTU/hr.

When working with btu/hr (BTU/hr) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, btu/hr (BTU/hr) are widely used across standard power applications within US customary and imperial workflows, engineering documentation, and technical data sheets.

What Is a Gigawatt?

A gigawatt is a unit of power equal to 1,000,000,000 watts (W), the base unit for power. Equal to 1,000,000,000 Watts (1,000 MW). [2]

The gigawatt is classified as an International System of Units (SI) unit of power. Gigawatts can be abbreviated as GW; for example, 1 gigawatt can be written as 1 GW.

In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigawatt (GW) a convenient decimal multiple of the watt (W).

In practice, gigawatts (GW) are widely used across large-scale industrial, bulk, and macro-level power specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

When converting power between btu/hr (BTU/hr) and gigawatts (GW), keep full floating-point precision (1 BTU/hr = 2.930711e-10 GW; 1 GW = 3,412,141,635.1330757 BTU/hr) during intermediate calculations and round only the final gigawatt figure to match your instrument tolerance.

More BTU per Hour & Gigawatt Conversions

Need to calculate in the opposite direction? Use our gigawatts to btu/hr calculator to switch your starting unit immediately. You can also explore related tools such as converting gigawatts to btu/hr, converting btu/hr to watts, or converting btu/hr to tons of refrigeration.

Frequently Asked Questions

There are 2.930711e-10 gigawatts (GW) in 1 btu per hour (BTU/hr). Conversely, 1 gigawatt (GW) is equal to 3.412142e+9 btu/hr (BTU/hr).

References

NIST · BIPM · ISO
  1. [1]
    NIST SP 811 (NIST SP 811 App. B.9 (Power & Radiant Flux))·Power Metrology Standard — BTU/hr (BTU/hr) to Gigawatts (GW)
    NIST SP 811 Standard
  2. [2]
    NIST CUU (Derived SI Unit: Watt (W))·Unit Specifications: BTU per Hour (BTU/hr) & Gigawatt (GW)
    NIST CUU Specification
  3. [3]
    BIPM (SI Brochure (9th Ed.) — Power)·Conversion Factors & Mathematical Basis (BTU/hr to GW)
    BIPM Reference
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