Product Code Database
A yojana (Devanagari: योजन; Khmer language: យោជន៍; ; ) is a measure of distance that was used in ancient India, Cambodia, Thailand and Myanmar. Various textual sources from ancient India define Yojana as ranging from 3.5 to 15 km.
| +Earth's diameter and/or circumference in yojanas as mentioned by classical Hindu astronomers ! !Diameter !Circumference | ||
| Aryabhata (476–550 CE) | 1,050 yojana | |
| Surya Siddhanta | ||
| Varahamihira (6th century CE) | 3,200 yojana | |
| Bhāskara I (c. 600 – c. 680 CE) | 1,050 or 1600 yojana | |
| Brahmagupta (c. 598 – c. 668 CE) | 1,581 yojana | 5,000 yojana |
| Bhāskara II (1114–1185 CE) | 1,581 yojana | 4,967 yojana |
| Nilakantha Somayaji (1444 – 1545 CE) | 3,300 yojana |
| 8 to 30 Paramāṇus | 1 trasareṇu | As per Manusmriti, one trasareṇu is the size of the smallest moving Dust visible to naked eye. |
| 8 trasarenu | 1 bālāgra (tip of a hair strand) | |
| 8 bālāgra | 1 likhsha (size of a ) | |
| 8 liksha | 1 yūka (size of a louse) | |
| 8 yūka | 1 yava (width of barley grain of medium size) | |
| 8 yava | 1 aṅgula (finger-breadth) | Estimated between to . |
| 6 finger | 1 pada (the breadth of a foot) | other sources define this unit differently: see Pada (foot) |
| 2 pada | 1 vitasti (span or distance between the tip of the forefinger and wrist) | ~ 22.86 cm (9 inches) |
| 2 vitasti | 1 hasta (cubit) | ~ 45.7 cm (18 inches) |
| 2 hasta | 1 náriká | ~ 91.5 cm (36 inches / 3 feet) |
| 2 náriká | 1 dhanu | ~ 183 cm (72 inches / 6 feet) to 192 cm ( 75.6 inches / 6 feet 3.5 inches) |
| 1 paurusa | human height with arms and fingers uplifted (standing reach) | ~ 192 cm (75 inches) |
| 2,000 dhanu | 1 gavyuti or gorutam (distance at which a cow's call or lowing can be heard) | ~ 3.66 to 3.84 km |
| 4 gavyuti | 1 yojana | ~ 15 kilometers |
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