Joules to Therms (J → thm)
Formula
1 J = 9.478672985781991e-9 thmConversion Table
| J | thm |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0000000094787 |
| 2.0000 | 0.000000018957 |
| 3.0000 | 0.000000028436 |
| 4.0000 | 0.000000037915 |
| 5.0000 | 0.000000047393 |
| 6.0000 | 0.000000056872 |
| 7.0000 | 0.000000066351 |
| 8.0000 | 0.000000075829 |
| 9.0000 | 0.000000085308 |
| 10.000 | 0.000000094787 |
| 11.000 | 0.00000010427 |
| 12.000 | 0.00000011374 |
| 13.000 | 0.00000012322 |
| 14.000 | 0.00000013270 |
| 15.000 | 0.00000014218 |
| 16.000 | 0.00000015166 |
| 17.000 | 0.00000016114 |
| 18.000 | 0.00000017062 |
| 19.000 | 0.00000018009 |
| J | thm |
|---|---|
| 20.000 | 0.00000018957 |
| 21.000 | 0.00000019905 |
| 22.000 | 0.00000020853 |
| 23.000 | 0.00000021801 |
| 24.000 | 0.00000022749 |
| 25.000 | 0.00000023697 |
| 26.000 | 0.00000024645 |
| 27.000 | 0.00000025592 |
| 28.000 | 0.00000026540 |
| 29.000 | 0.00000027488 |
| 30.000 | 0.00000028436 |
| 31.000 | 0.00000029384 |
| 32.000 | 0.00000030332 |
| 33.000 | 0.00000031280 |
| 34.000 | 0.00000032227 |
| 35.000 | 0.00000033175 |
| 36.000 | 0.00000034123 |
| 37.000 | 0.00000035071 |
| 38.000 | 0.00000036019 |
| 39.000 | 0.00000036967 |
| J | thm |
|---|---|
| 40.000 | 0.00000037915 |
| 41.000 | 0.00000038863 |
| 42.000 | 0.00000039810 |
| 43.000 | 0.00000040758 |
| 44.000 | 0.00000041706 |
| 45.000 | 0.00000042654 |
| 46.000 | 0.00000043602 |
| 47.000 | 0.00000044550 |
| 48.000 | 0.00000045498 |
| 49.000 | 0.00000046445 |
| 50.000 | 0.00000047393 |
| 51.000 | 0.00000048341 |
| 52.000 | 0.00000049289 |
| 53.000 | 0.00000050237 |
| 54.000 | 0.00000051185 |
| 55.000 | 0.00000052133 |
| 56.000 | 0.00000053081 |
| 57.000 | 0.00000054028 |
| 58.000 | 0.00000054976 |
| 59.000 | 0.00000055924 |
| J | thm |
|---|---|
| 60.000 | 0.00000056872 |
| 61.000 | 0.00000057820 |
| 62.000 | 0.00000058768 |
| 63.000 | 0.00000059716 |
| 64.000 | 0.00000060664 |
| 65.000 | 0.00000061611 |
| 66.000 | 0.00000062559 |
| 67.000 | 0.00000063507 |
| 68.000 | 0.00000064455 |
| 69.000 | 0.00000065403 |
| 70.000 | 0.00000066351 |
| 71.000 | 0.00000067299 |
| 72.000 | 0.00000068246 |
| 73.000 | 0.00000069194 |
| 74.000 | 0.00000070142 |
| 75.000 | 0.00000071090 |
| 76.000 | 0.00000072038 |
| 77.000 | 0.00000072986 |
| 78.000 | 0.00000073934 |
| 79.000 | 0.00000074882 |
Joules to Therms Conversion
Converting Joules (J) to Therms (thm) is a common energy and power conversion. 1 J equals 0 thm. For example, 100 J is equal to 0.000001 thm.
Quick Mental Math: Joules to Therms
1 therm is about 105.5 million joules, so 211 million joules is about 2 therms.
Why is converting Joules to Therms tricky?
joules to therms uses an awkward ratio, so people often round too early or move the decimal the wrong way.
Quick Reference Values
1 J = 0 thm. 5 J = 0 thm. 10 J = 0 thm. 25 J = 0 thm. 50 J = 0 thm. 100 J = 0.000001 thm.
What is Joules?
Joules (J) is a unit of energy and power. The joule is the SI unit of energy defined as the work done when a force of one newton moves an object one meter in the direction of the force. It equals one kilogram meter squared per second squared (kg·m²/s²). This definition aligns with the International System of Units as standardized by the BIPM [bipm-si-brochure]. The joule is named after James Prescott Joule, a 19th-century physicist who studied energy conservation. It was officially adopted as a unit of energy by the CGPM in 1948 to unify energy measurement standards internationally [cgpm-resolutions]. Joules are used worldwide in physics, engineering, and electrical industries to quantify energy, work, and heat. Countries using the SI system, including those in Europe, Asia, and the Americas, rely on joules for scientific and industrial applications [nist-si-guide].
What is Therms?
Therms (thm) is a unit of energy and power. A therm is a unit of heat energy equal to 100,000 British thermal units (BTUs). It converts to approximately 105.5 megajoules (MJ) in SI units. This unit is commonly used for measuring natural gas consumption and heating energy content in the United States and the United Kingdom [nist-si-guide]. The therm was introduced in the early 20th century as a practical energy unit for gas utilities, standardizing measurements of heat content based on BTUs. Its adoption helped unify commercial billing practices in the gas industry [nist-si-guide]. Therms are primarily used in North America and the UK for natural gas billing and energy reporting. They are recognized by the U.S. Energy Information Administration and British gas suppliers, though SI units predominate in scientific contexts [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: joule, joul, jouls, juls, therm, thermes, thermses. All of these refer to the Joules to Therms conversion.