ទំព័រគំរូ:Convert/GtTNT
{{convert/{{{d}}}Na|{{{1}}}||||s=|r={{{r}}} |n=gigatonne of TNT |h=gigatonne-of-TNT |l=gigatonnes of TNT |t=TNT equivalent |o=EJ |b=4184000000000000000 |j=18.621591676-0}}
{{convert/{{{d}}}Na|{{{1}}}||||s=|r={{{r}}} |n=gigatonne of TNT |h=gigatonne-of-TNT |l=gigatonnes of TNT |t=TNT equivalent |o=EJ |b=4184000000000000000 |j=18.621591676-0}}