science

Guz

Guz is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Guz rather than just read about it. In short: A guz (also spelled gaz, from Hindustani गज़/گز and Persian گز), or Mughal yard, is a unit of length used in parts of Asia. Historically, it was a regionally variable measurement similar to the English yard both in size and in that it was often used for measuring textiles.

Key takeaways

Guz belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Guz to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Guz from memory before moving on to harder problems.

Reference excerpt

A guz (also spelled gaz, from Hindustani गज़/گز and Persian گز), or Mughal yard, is a unit of length used in parts of Asia. Historically, it was a regionally variable measurement similar to the English yard both in size and in that it was often used for measuring textiles. Values of the guz ranged from 24 to 41 inches (610 to 1,040 mm) over time. Today, it is generally used in the Indian subcontinent as the word for a yard. A present day sari is still measured as 7 guz while a traditional one can be as long as 9 guz.

History Use of the guz in India was first established during the Mughal Empire. The guz in Rajasthan at the end of the 17th century was quoted as being 28+1⁄2 inches (720 mm). By 1875, the average value of the guz in Bengal was 36 inches (1.0 yd; 910 mm), but was 33 inches (840 mm) in Madras and 27 inches (690 mm) in Bombay. By the 20th century, the guz was uniformly quoted as being equal in length to one yard in the English system, or 0.91 metres in the metric system. But there are some different values still in use, like Bikaner has 1 guz/gaz = 2 ft officially recognized and in use. The guz is still commonly used in the Indian subcontinent. It has become the standard word in Hindi and Urdu for "yard".

Name

The word guz (also spelled guzz, at the time) entered the Oxford English Dictionary in the late 19th century, having been originally submitted by the noted lexicographer William Chester Minor, originally as being equal to 28+4⁄5 inches (730 mm) in India (so that "5 guzz = 4 yards"). The word also is reputed to have given the Royal Navy base at HMNB Devonport, in Plymouth, the affectionate nickname of "Guzz", as sailors referring to the Dockyard, used to regularly abbreviate the word to simply "The Yard", leading to the slang use of the Hindi word for the unit of measurement of the same name.

Regional definitions

Arabia In Arabia, it varied between 27 and 37 inches (690 and 940 mm).

Persia In Persia, it was reported in the 1880s that 1 guz was 37+1⁄2 inches (950 mm) for cloth, but 27 inches (690 mm) for silk and carpet.

Nepal In Nepal, 1 guz was 1 yard (0.91 m) in the 20th century.

Southeast Asia 1 Malay gaz is around 33 inches (2.8 feet) or 83.82 centimetres.

References

Further reading Prinsep, James (1840), Useful tables, forming an appendix to the Journal of the Asiatic Society: part the first, Coins, weights, and measures of British India (2nd ed.), Bishop's College Press

Worked examples

Example 1 — a first encounter with Guz

Start with the simplest possible case. Write down what Guz claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Guz before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Guz ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Guz

In research: Guz appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Guz in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Guz is common in secondary-school and first-year university syllabi. It links to neighbouring topics Customary units of length in India, Obsolete units of measurement, so understanding it makes those chapters shorter.
In everyday life: Look for Guz outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Guz in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Guz means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Guz out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Guz in simple terms?

Why does Guz matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Guz?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Guz.

Guz