Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
The joule (/dʒuːl/ JOOL, or /dʒaʊl/ JOWL; symbol: J) is the unit of energy in the International System of Units (SI). In terms of SI base units, one joule corresponds to one kilogram-metre squared per second squared (1 J = 1 kg⋅m2⋅s−2).
History & Measurement
Explore the main themes, entities and connections around Joule. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
energy unit si one units force international second torque kg heat work system named metre derived required distance also erg
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Joule | BTUs | 9.48×10−4 BTU | 1.00 | infobox |
| Joule | CGS units | 1×107 erg | 1.00 | infobox |
| Joule | electronvolts | ≈6.24×1018 eV | 1.00 | infobox |
| Joule | kilocalories (thermochemical) | 2.390×10−4 kcalth | 1.00 | infobox |
| Joule | kilowatt-hours | ≈2.78×10−7 kW⋅h | 1.00 | infobox |
| Joule | Named after | James Prescott Joule | 1.00 | infobox |
| Joule | SI base units | kg⋅m2⋅s−2 | 1.00 | infobox |
| Joule | Symbol | J | 1.00 | infobox |
| Joule | Unit of | energy | 1.00 | infobox |
| Joule | Unit system | SI | 1.00 | infobox |
| Joule | watt-seconds | 1 W⋅s | 1.00 | infobox |
| Joule | related to Conversions | BTU0 | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.