Geyser Size Guide: Litres and Gallons
Too small and the last person gets a cold shower; too big and you pay to heat water nobody uses. Use this table to pick the right geyser size.
Updated 11 November 2026
Geyser size by family
- 1 person: 15 litres (15 Litre Geyser Price in Pakistan)
- 2 people: 25 to 30 litres (25 Litre Geyser Price in Pakistan, 30 Litre Geyser Price in Pakistan)
- 3 people: 40 litres (40 Litre Geyser Price in Pakistan)
- 4 people: 50 litres, or a 20 to 25 gallon gas geyser (50 Litre Geyser Price in Pakistan)
- 5 to 6 people: 80 to 100 litres, or 35 gallons (80 Litre Geyser Price in Pakistan, 35 Gallon Geyser Price in Pakistan)
- 7 or more: 55 gallons (55 Gallon Geyser Price in Pakistan)
Live in a very cold city or have several bathrooms in use at once? Go one size up.
Kitchen geyser size
10 litres is enough for washing dishes, and 15 litres if you also cook with a lot of hot water. See 10 Litre Geyser Price in Pakistan.
Gallons vs litres
Gas and gas + electric geysers are sold in gallons; electric geysers in litres. Our product data counts a 20 gallon tank as about 76 litres and 35 gallons as about 130 litres.
Instant gas geyser size (L/min)
- 6 to 8 L/min: one shower
- 10 L/min: one shower plus a basin
- 12 to 13 L/min: two points at once
See Instant Gas Geyser Price in Pakistan.
