Sri Lankan units of measurement

[1] Units used in measuring long distances included the "Gavuva", "Yoduna", and "Usaba" (plurals Gavu and Yodun - a Yoduna was 4 Gavu) and the "hoo kiyana dura", which was the audible distance of a shout of 'hoo' by a person.

King Nisshankamalla have established milestones called "Gaavutha Kanu" from a Gavu to another.

[6][7] Measurements of area used in ancient Sri Lanka was a system derived from paddy agriculture.

[6] In a stone inscription written by King Bhathikabhaya Abhaya at Dunumadalakanda in Anuradhapura District, it is stated that he offered a land of 1 Kareesa to a temple in the area.

In another stone inscription written by King Kutakannabhaya Thissa at Horiwila in Anuradhapura District, it is stated that he offered a land of 8 Kareesa to a temple named 'Thissa' in the area.

[6] Units like Madati ( Adenanthera pavonina ), Vee (Rice) are based on weights of those seeds.

It is stated that frauds in weighing was a punishable offence and only weights approved by the government should be used in weighing, in Sorabora Wewa Pillar Inscription (Badulla Pillar Inscription) which was written by King Udaya IV.

[2] Another source suggests that a seer was equal to 1.86 imperial pints or 1.06 litres.