The terabyte is a multiple of the unit byte for digital information. The prefix tera represents the fourth power of 1000, and means 1012 in the International System of Units (SI), and therefore one terabyte is one trillion (short scale) bytes, 1000 gigabytes, 1000 000 megabytes. The unit symbol for the terabyte is TB.
| gibibyte | tebibit | terabyte | exabit | kibibit | mebibyte | nibble | kilobyte |
|---|---|---|---|---|---|---|---|
| 1 | 0.0078125 | 0.0010737 | 8.589934592 × 10-9 | 8 388 608 | 1 024 | 2 147 483 648 | 1,073,741.824 |
| 128 | 1 | 0.1374390 | 1.099511627776 × 10-6 | 1 073 741 824 | 131 072 | 274 877 906 944 | 137,438,953.472 |
| 931.3225746 | 7.2759576 | 1 | 8.0 × 10-6 | 7 812 500 000 | 953,674.3164063 | 2 000 000 000 000 | 1 000 000 000 |
| 116,415,321.82693 | 909,494.7017729 | 125 000 | 1 | 9.765625 × 1014 | 119,209,289,550.78 | 2.5 × 1017 | 1.25 × 1014 |
| 1.1920928955078 × 10-7 | 9.3132257461548 × 10-10 | 1.28 × 10-10 | 1.024 × 10-15 | 1 | 0.0001221 | 256 | 0.128 |
| 0.0009766 | 7.62939453125 × 10-6 | 1.048576 × 10-6 | 8.388608 × 10-12 | 8 192 | 1 | 2 097 152 | 1,048.576 |
| 4.6566128730774 × 10-10 | 3.6379788070917 × 10-12 | 5.0 × 10-13 | 4.0 × 10-18 | 0.0039063 | 4.7683715820312 × 10-7 | 1 | 0.0005 |
| 9.3132257461548 × 10-7 | 7.2759576141834 × 10-9 | 1.0 × 10-9 | 8.0 × 10-15 | 7.8125 | 0.0009537 | 2 000 | 1 |
| 1 terabytes = 8000000000000 bits |
| 2 terabytes = 16000000000000 bits |
| 3 terabytes = 24000000000000 bits |
| 4 terabytes = 32000000000000 bits |
| 5 terabytes = 40000000000000 bits |