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Conversion Tables



Thailand uses the metric system plus a bunch of Thai-specific measurements.  It also uses Celsius for temperatures.  Below we have provided a useful conversion calculator as well as some tables to help you through this confusion if, like me, you come from a country that still uses illogical systems of measurement.

 Converter

 Use this converter or refer to the tables below

         

Weights and Measures, Metric Conversions  

   

Temperature, Weights and Measures, Metric Conversions, etc.


Temperature

Use the following conversion formulas to convert Celsius to Fahrenheit and vise versa, or use the table as a quick reference.

Celsius to Fahrenheit        multiply by 1.8 and add 32

Fahrenheit to Celsius        subtract 32 and divide by 1.8


Converting cost of gasoline from liters to gallons

Converting Miles Per Gallon

Thai Units of Measure


Convert to Metric

Length

1 inch = 2.54 cm

1 inch = 0.0254 metres

1 foot  = 30.48 cm

1 foot  = 0.3048 metres

1 yard = 0.9144 metres

1 mile = 1.609344 kilometres

1 nautical mile = 1.852 kilometres

 

Area

1 sq inch = 6.4516 sq cm

1 sq inch = 0.00064516 sq metres

1 sq foot = 929.0304 sq cm

1 sq foot = 0.09290304 sq metres

1 sq yard = 0.83612736 sq metres

1 sq mile = 2.58998811 sq kilometres

1 acre = 4046.8564 sq metres

1 acre = 0.40468564 hectares

 

Volume

1 cubic inch = 16.387064 cubic cm

1 cubic inch = 0.016387064 litres

1 cubic foot = 28.316847 litres

1 cubic foot = 0.028316847 cubic metres

1 cubic yard = 0.7645549 cubic metres

1 uk gallon = 4.54609 litres

1 uk gallon = 0.00454609 cubic metres

1 uk fluid ounce = 28.413063 cubic cm

 

Weight

1 ounce = 28.349523 grams

1 ounce = 0.028349523 kilograms

1 British ton = 1016.0469 kilograms

1 British ton = 1.0160469 metric tons

1 US ton = 907.18473 kilograms

1 US ton = 0.9071847 metric tons

A British ton is 2240 lbs. A US ton is 2000 lbs.


Thai Specific Units of Measure

 

Land

1 rai = 4 ngan (1600 sq metres)

1 ngan = 100 taraang wah (400 sq metres)

1 tarang wah = 4 sq metres

1 acre = approx. 2.5 rai

1 hectare = approx. 6.25 rai

 

Length

1 neiu = 1 inch (approx. 2 cm.)

1 kheup = 12 neiu (25 cm.)

1 sork = 2 kheup (50 cm.)

1 wah = 4 sork (2 m.)

1 sen = 20 wah (40 m.)

1 yoht = 400 sen (16 km.)

 

Weight

1 baht = 15 g.

1 tamleung = 4 baht (60 g.)

1 chang = 20 tamleung (1.2 kg.)

1 harp = 50 chang (60 kg.)

 

Converting cost of gasoline from liters to gallons.

 

     Gasoline is sold in Thailand by the liter and the prices posted are in how many baht per liter.  It sometimes is difficult for those who use gallons to determine how much they are paying to use their vehicles.  You can use the formulas below to help get a clearer idea of what you are paying while thinking in gallons and your home currency.

 

For British Gallons

(Baht per liter * 4.54)/exchange  rate

 

For US Gallons

(Baht per liter * 3.785)/exchange rate

 

Example:  say gasoline is 26.5 baht per liter and the exchange rate for dollars is 34.5 and for the pound is 64.98.

 

Gasoline will cost you:

 

British:  (26.5 * 3.546)/64.98 = £1.45 per British gallon

US: (26.5 * 3.785)/34.5 = $2.90 per US gallon

 

 

Miles Per Gallon

 

Many who keep to a tight budget (and are a bit anal) often like to keep track of how far their vehicle can go on a certain amount of gasoline.   You can use the formula below if you still can’t think in liters and kilos.

 

(kilometers traveled / 1.6) / (liters used /3.785)  

or 4.54 for British gallons.

 

Example:  You traveled 250 kilometers using 20 liters

(250/1.6) / (20 / 3.785) = 29.57 miles per gallon

 



 
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