Home Back

Video Length To Size Calculator

Video Size Formula:

\[ Size = Bitrate \times Duration \div 8 \]

bps
seconds

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Video Size Calculation?

The video size calculation estimates the storage space required for a video file based on its bitrate and duration. This is essential for storage planning and bandwidth considerations.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Size = Bitrate \times Duration \div 8 \]

Where:

Explanation: The formula calculates the raw data size in bytes by multiplying bitrate by duration and converting from bits to bytes.

3. Importance of Size Calculation

Details: Knowing video file size helps in storage planning, bandwidth allocation for streaming, and estimating download/upload times.

4. Using the Calculator

Tips: Enter bitrate in bps (e.g., 5000000 for 5 Mbps) and duration in seconds. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between bitrate and file size?
A: Bitrate is the data rate per second, while file size is the total storage space required for the entire video.

Q2: How does compression affect file size?
A: Compression reduces file size by removing redundant data, but this calculator shows the uncompressed size based on bitrate.

Q3: What are typical bitrate values?
A: HD video might be 5-8 Mbps, 4K video 35-45 Mbps, and SD video 1-2 Mbps, depending on codec and quality.

Q4: Why divide by 8 in the formula?
A: There are 8 bits in a byte, and file sizes are typically measured in bytes rather than bits.

Q5: Can this calculate for multiple videos?
A: This calculates size for one video. For multiple videos, sum their individual sizes.

Video Length To Size Calculator© - All Rights Reserved 2025