Digital Data Scale & Transfer Calculator
Easily convert between Bytes, KB, MB, GB, and TB, and calculate transfer times based on your internet speed.
1. Enter File / Data Size
(Input digital storage payload)
11,000
Quick Presets:
* Operating Systems (like Windows) use Binary, while storage manufacturers use Decimal.
2. Internet / Bandwidth Speed
(Megabits per second (Mbps))
11,000
Quick Presets:
Estimated Download Duration
2 hr 13 min
Calculated at 100 Mbps transfer speed.
Equivalent Capacities
Bytes (B):
B 100,000,000,000
Kilobytes (KB):
KB 100,000,000
Megabytes (MB):
MB 100,000
Gigabytes (GB):
GB 100
Terabytes (TB):
TB 0.1
Understanding Digital Data Scales & Transfer Rates
Digital storage and network bandwidth are measured in different base units. Storage manufacturers typically use Decimal base-10 metrics (1 GB = 1,000 MB), whereas operating systems use Binary base-2 (1 GiB = 1,024 MiB). Network speed is measured in bits (Mbps), not Bytes.
Mathematical Formula
\text{Decimal Size} = \frac{\text{Size in Bytes}}{1000^n}
\text{Binary Size} = \frac{\text{Size in Bytes}}{1024^n}
\text{Download Time (Seconds)} = \frac{\text{Size in Bytes} \times 8}{\text{Bandwidth speed (Mbps)} \times 10^6}
Formula Explanation:
- Base-10 (SI): Kilobyte (KB), Megabyte (MB), etc. utilizing a multiplier of 1,000.
- Base-2 (IEC): Kibibyte (KiB), Mebibyte (MiB), utilizing a multiplier of 1,024.
- Megabits vs Megabytes: Network speeds are billed in bits per second. 1 Megabyte (MB) contains exactly 8 Megabits (Mb).
Terms & Abbreviations
KB Kilobyte - 1,000 Bytes (standard decimal).
KiB Kibibyte - 1,024 Bytes (standard binary).
Mbps Megabits per second - standard metric for measuring internet bandwidth.
Frequently Asked Questions
Hard drive manufacturers define 1 GB as 1,000,000,000 bytes (decimal base-10). Windows, however, measures storage using binary base-2 (1,024 bytes per unit). Hence, 500,000,000,000 bytes / (1024^3) = ~465.6 GiB.
A download speed of 100 Mbps stands for 100 Megabits per second. Files are measured in Bytes, and 1 Byte = 8 bits. Thus, downloading a 100 Megabyte (MB) file requires transferring 800 Megabits of data, taking roughly 8 seconds on a 100 Mbps line.
To eliminate confusion, the IEC established KiB (Kibibyte) to strictly represent the binary scale (2^10 = 1024), leaving KB (Kilobyte) to represent the metric decimal scale (10^3 = 1000).