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In Nepal, some customary units of measurement are still used, although the metric system has been the official standard since 1968.^{[1]}

The kos (kosh, krosh, koss) is a very ancient measure of distance, measuring about 2.25 miles or 3.7 km.^{[2]}

- 1 angul = approx. 0.75 inch
- 4 angul = 1 dharnugrah (bow grip) = 3 in
- 8 angul = 1 dhanurmushti (fist with thumb raised) = 6 in
- 12 angul = 1 vitastaa (span) = 9 in
- 2 vittaa (cubit) = 18 in
- 1 haath = 1.5 ft.
- 1 dand or dhanush (bow) = 4 haath = 6 ft
- 2000 dand = 1 kos or Gorut = 4000 yards or 2.25 miles
- 4 kosh = 1 yojan = 9 miles = 14.48 km

The following is a partial list of everyday units used to calculate land area in Nepal.^{[3]}

- 1 Khetmuri = 25 Ropani
- 1 Bigha (बिघा) = 20 Kattha (कठ्ठा) = 6772.63 m² = 72900 sq.ft. = 13.31 Ropani
- 1 Katha (कठ्ठा) = 20 Dhur (धुर) = 338.63 m² = 3645 sq.ft.
- 1 Dhur (धुर) = 16.93 m² = 182.25 sq.ft.
- 1 Ropani (रोपनी) = 16 Aana (आना) = 64 Paisa (पैसा) = 508.72 m² = 5476 sq.ft. = 256 Daam (दाम) = 4 llka
^{[4]} - 1 Aana (आना)= 4 Paisa (पैसा) = 31.80 m² = 342.25 sq. ft. = 16 Daam (दाम)
- 1 Paisa (पैसा) = 4 Daam (दाम) = 7.95 m² = 85.56 sq. ft.
- 1 Daam (दाम) = 1.99 m² = 21.39 sq. ft.

The units of measurement of area of land depends on the part of the country where they are being used, with the Bigha-Katha-Dhur measurements common in the Terai region while the Ropani-Aana measurements are common in hilly and mountainous regions.

- Terai region

In the Terai region, the southern parts of Nepal, the customary units are those used elsewhere in South Asia:

Unit | Divisions | In square metres | In square feet |
---|---|---|---|

Dhur | 16.93 square metres | 182.25 square feet | |

Katha | 20 Dhur | 338.62 square metres | 3,645 square feet |

Bigha | 20 Katha | 6772.41 square metres | 72,900 square feet |

- Hilly and mountainous regions

A different system is used in hilly regions:

- 1 paisa = 4 dam (daam)
- 1 ana = 4 paisa
^{[2]}

- 1 ropani = 16 ana

Unit | Divisions | In square metres | In square feet |
---|---|---|---|

Dam | 1.99 square metres | 21.39 square feet | |

Paisa | 4 Dam | 7.95 square metres | 85.56 square feet |

Ana | 4 Paisa | 31.80 square metres | 342.25 square feet |

Ropani | 16 Aana | 508.74 square metres | 5476 square feet |

Conversions

- 1 ropani = 74 feet × 74 feet
- 1 bigha = 13 Ropani 5 Anna
- 1 kattha = 442 square yards or 338 square meters
^{[6]}

- 10 Mutthi (fistful) = 1 Mana
- 8 Mana = 1 Pathi (4.54596L)
^{[7]} - 20 Pathi = 1 Muri