Table 3.

Index length required to store different amounts of data with 200-bp DNA molecules.

Data amount	1 Byte	1 KB	1 MB	1 GB	1 TB	1 PB	1 EB	1 ZB
Index length (bp)	0	3	8	13	18	23	28	33
Index ratio*	0	1.5%	4%	6.5%	9%	11.5%	14%	16.5%

*Index ratio = L(index)/L(molecule).