1 tnf (ton-force (metric)) is equal to 9,806,649,999,787.734 nN (nanonewton). To convert from ton-force (metric) to nanonewton, multiply by 9,806,649,999,787.734 or divide by 0.0000000000001019716213.
Nine Trillion Eight Hundred Six Billion Six Hundred Forty-Nine Million Nine Hundred Ninety-Nine Thousand Seven Hundred Eighty-Seven Point Seven Three Four nanonewton