How many bits are in a byte?

There are 8 bits in 1 byte. This is the standard in almost all modern computing systems.

Why do I sometimes see 1000 vs 1024?

1000-based units (kB, MB, GB) are decimal and common for storage marketing. 1024-based units (KiB, MiB, GiB) are binary and common in operating systems. Our converter can show both.

Can I convert from bytes back to bits?

Yes. Multiply bytes by 8 to get bits. The form above lets you type either side.

Bits to Bytes Converter

How to Use This Converter

Start with the value you have (bits or bytes) and pick the matching unit on the left. Choose the target unit on the right; the form normalizes everything to bits internally, then converts to the output unit so decimal and binary styles stay consistent.

Methodology: All calculations treat bits as the atomic unit. Decimal prefixes multiply by powers of 1000 (k=1000, M=1,000,000), while binary prefixes multiply by powers of 1024 (Ki=1024, Mi=1,048,576). Switching styles updates both dropdowns to the same factor set.

The calculator keeps eight decimal places of precision and rounds at the last step to avoid drift.

Extra precision is helpful when comparing networking (bits) to storage (bytes) metrics.

Editing the "To" field recalculates the "From" amount so you can work backward from a target value.

Full original guide (expanded)

Bits (b)	Bytes (B)
1	0.125
4	0.5
8	1
16	2
64	8
128	16

How the bits-to-bytes conversion works

Bits are the smallest unit of digital information. Bytes bundle eight bits together so you can represent characters, file sizes, or payloads. Networking is usually reported in bits per second (bps), while storage systems tend to surface bytes, so translating between the two helps you compare speeds and capacities.

Formulas

bytes = bits ÷ 8

bits = bytes × 8

Decimal prefixes (base 10):

1 kB = 1000 B
1 MB = 1000 kB
1 GB = 1000 MB

Binary prefixes (base 2):

1 KiB = 1024 B
1 MiB = 1024 KiB

Why converters online give slightly different results

Some sites assume decimal (1 kB = 1000 B), others assume binary (1 KiB = 1024 B) but still label it “kB”. That’s why you may see small differences. This page keeps the distinction visible and lets you switch styles.

FAQ

1. My internet speed is in Mbps, but my download shows MB/s. Why?

ISPs advertise megabits per second (Mb/s). Your browser shows megabytes per second (MB/s). Since 1 byte = 8 bits, divide the connection speed by 8 to get the maximum MB/s.

2. What should I store in my database?

Store bytes as the canonical value. It’s easy to go from bytes to bits (× 8) and to any human-readable unit.

3. Can I use this for teaching?

Yes. Show students both decimal and binary results so they grasp software vs marketing differences.