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thumb|right|The historical Chaurasi Gumbad built during Lodhi Sultanatethumb|right|The part of circular dome of Chaurasi Gumbad
Kalpi is a historical city and municipal board in Jalaun district in Uttar Pradesh, India. It is on the right bank of the Yamuna.
It is situated 78 kilometres south-west of Kanpur from which it is connected by both road and rail.
History
The ancient name of Kalpi was Kalapriya.
Paleolithic
Lithics and fauna from the Middle Paleolithic of Kalpi have been described, aged at around 45,000 ka. These tools consist of diminutive quartzite choppers, possible manuports, cores, atypical points, scrapers, and debitage; bone tools include end-scrapers, points, notched tools, burins, and atypical end scrapers in greater abundance than their stone counterparts. They exhibit evidence of charring, suggesting fire usage.
Medieval
Kalapriya was an important tirtha dedicated to Surya. Skanda Purana and Samba Purana state about the existence of a shrine to Surya that had been consecrated by Krishna's son, Samba, alongside those in Multan and Konark. The Rastrakuta king Indra III sacked the city, including the temple, while on his Kannauj expedition, as it was under the rule of his enemy, the Pratihara king Mahipala I.
In 1196, it fell to Qutb-ud-din Aibak, the viceroy of Mohammed Ghori, and during the subsequent Muslim period it played a significant part in the history of central India. In the early 16th-century Rajput king of Chittor Rana Sanga defeated Ibrahim Lodhi twice and establish his control over some parts of Uttar Pradesh including Kalpi and Chandawar and appointed Manik Chand Chauhan to rule there. Rana Sanga also died in Kalpi in January 1528 poisoned by his own Nobles. The city was then captured by the Mughals under Babur. During Akbar's reign, Kalpi was a governor's seat and had a mint for copper coinage.
Geography
Kalpi is located at . It has an average elevation of 112 metres (367 feet).The climate in Kalpi is warm and temperate. The rainfall in Kalpi is significant, with precipitation even during the driest month. The temperature averages 25.9 °C. The average annual rainfall is 892 mm.
Location
The old town, which is on the Yamuna river has the ruin of a fort, and several temples of interest, while in the neighborhood are many ancient tombs.
Economy
Kalpi is still a centre of local trade (principally in grain, ghee and cotton) with a station on the North Central Railway (India) line from Jhansi to Kanpur, which crosses the Yamuna here.