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Quad Converters

Convert quads (quadrillion BTU) to exajoules, petajoules, terawatt-hours, tonnes of oil equivalent and other large energy units.

What this tool does

Convert quads (quadrillion BTU) to exajoules, petajoules, terawatt-hours, tonnes of oil equivalent and other large energy units. Type an amount in quads (10¹⁵ BTU IT), choose the units, and the tool converts it to exajoules. It offers 10 energy units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one from 10 options, including Quad (10¹⁵ BTU IT), Million BTU (International Table, MMBtu), British thermal unit (International Table), Exajoule, Petajoule, Gigajoule. Starts as Quad (10¹⁵ BTU IT).
  • To: Choose one of the same 10 units as "From". Starts as Exajoule.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from quads (10¹⁵ BTU IT) to exajoules:

  • 1 quad = 1.05505585262 EJ
  • 5 quad = 5.2752792631 EJ
  • 10 quad = 10.5505585262 EJ
  • 50 quad = 52.752792631 EJ
  • 100 quad = 105.505585262 EJ

Multiply the number of quads (10¹⁵ BTU IT) by 1.05505585262 to get exajoules. Both units are exact definitions, so 1.05505585262 is the exact factor: 1 quad = 1.05505585262 EJ.

Sources: Quad (10¹⁵ BTU IT): exact by definition. Exajoule: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes).

Limitations

  • Converts units of energy only. It does not work out energy from power, time, voltage or charge.
  • Barrels of oil equivalent and gallons of gasoline are not offered, because their definitions vary by source.

FAQs

Q: How many exajoules are in one quad (10¹⁵ BTU IT)?
A: One quad (10¹⁵ BTU IT) is about 1.0550559 exajoules. Change the value to convert any amount; the other units are listed below the result.
Q: Which definition of the units does this page use?
A: A quad is 10¹⁵ International Table BTU. Tonne of oil equivalent uses the IEA definition of 41.868 GJ. The therm shown is the EC therm (105.506 MJ, very nearly 100,000 BTU).
Q: Can I convert from exajoules to quads (10¹⁵ BTU IT)?
A: Yes. Choose exajoule in the From box and quad (10¹⁵ BTU IT) in the To box. One exajoule is about 0.94781712 quads (10¹⁵ BTU IT).

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