Tons of air conditioning to BTU (IT) per second converter above calculates how many BTU (IT) per second are in 'X' tons of air conditioning (where 'X' is the number of tons of air conditioning to convert to BTU (IT) per second). In order to convert a value from tons of air conditioning to BTU (IT) per second type the number of tons of air conditioning to be converted to BTU/s and then click on the 'convert' button.