Quad (quad) - Unit Information & Conversion
🔄 Quick Convert Quad
What is a Quad?
Quad = 1 quadrillion BTU (10¹⁵ BTU) = 1.055 exajoules = 293 billion kWh. Used for national energy statistics. US annual: ~100 quads. China: ~150 quads. World: ~600 quads/year. Macro energy economics unit.
History of the Quad
Standard energy unit used in science, engineering, and industry. Conversion: 1 quad = 1.055×10¹⁸ joules.
Quick Answer
What is Quad? Quad = 1 quadrillion BTU (10¹⁵ BTU) = 1.055 exajoules = 293 billion kWh. Used for national energy statistics. US annual: ~100 quads. China: ~150 quads. World: ~600 quads/year. Macro energy economics unit. Use our energy converter for instant conversions.
Key Facts: Quad
| Property | Value |
|---|---|
| Symbol | quad |
| Quantity | Energy |
| System | Metric/SI Derived |
| Derived from | Joule |
| Category | Energy |
| Standard Body | NIST / ISO |
Definition
1 quad = 1.055×10¹⁸ joules (J)
Common Uses
Used in physics, engineering, energy systems, and scientific calculations where this energy scale is appropriate for the application.
Real-World Context
Energy Policy & Trading
| Context | Quads |
|---|---|
| US annual energy | ~100 |
| Global annual | ~600-700 |
| Year-over-year growth | 1-2 |
| Renewable target | 50-100 |
Scale Reference
| Energy Amount | Quads |
|---|---|
| 1 ton oil equivalent | ~0.0016 |
| 1 Gigajoule | ~0.00000095 |
| 1 billion barrels oil | ~6.12 |
| US coal production | ~20-30 |
Historical Trends
| Period | US Quads |
|---|---|
| 1980 | ~76 |
| 2000 | ~98 |
| 2020 | ~92 |
| Projected 2030 | ~95-100 |
Quad Conversion Formulas
To Joule:
To Kilojoule:
To Megajoule:
To Gigajoule:
To Watt-hour:
To Kilowatt-hour:
To Megawatt-hour:
To Calorie:
To Kilocalorie:
To British Thermal Unit:
To Therm:
To Foot-pound:
To Electronvolt:
To Erg:
Frequently Asked Questions
Convert Quad
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