To convert any value in watts-hour to Btu, just multiply the value in watts-hour by the conversion factor 3.4121414798969. So, 18 watts-hour times 3.4121414798969 is equal to 61.418546638145 Btu. See details below and use our calculator to convert any value in watts-hour to Btu.
To use this watts-hour to Btu converter, simply type the watt-hour value in the box at left (input). The conversion result in Btu will immediately appear in the box at right.
While every effort is made to ensure the accuracy of the information provided on this website, we offer no warranties in relation to these informations.