B777 - 200 / 200ER / 300
171,190 Litres = 137,500 Kg at SG = 0.8029
B777 - 300ER
181,220 Litres = 145,500 Kg at SG = 0.8029
(These figures represent USEABLE fuel at level attitude, and may be less than the entire volumetric capability).
Regards,
Old Smokey