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USB Hard Disk Real Capacity Calculator

Claimed Capapcity:
     
Real Capcity:




Claimed CapacityReal Capacity Claimed CapacityReal Capacity
1 GB =0.9313 GB 2 GB =1.8626 GB
4 GB =3.7253 GB 8 GB =7.4506 GB
16 GB =14.9012 GB 32 GB =29.8023 GB
64 GB =59.6046 GB 128 GB =119.2093 GB
256 GB =238.4186 GB 512 GB =476.8372 GB
1 TB =0.9095 TB 2 TB =1.819 TB
3 TB =2.7285 TB 4 TB =3.638 TB