Video Bitrate Calculator
Calculate video bitrate and estimated file size per hour based on resolution, frame rate, and codec. Plan storage and streaming bandwidth for video projects.
How to Use the Video Bitrate Calculator
- Enter the video width and height in pixels.
- Enter the frame rate (fps).
- Select the codec.
- Click Calculate to get bitrate and file size per hour.
Use Cases
- •Planning storage for recorded video content.
- •Estimating streaming bandwidth requirements.
- •Comparing codec efficiency for given quality targets.
- •Configuring video encoding parameters for OBS or FFmpeg.
Formula
Bitrate = Width × Height × FPS × BPP / 1,000,000. BPP: H.264=0.15, H.265=0.08, AV1=0.05. File size/hr = bitrate × 3600 / 8 / 1024 GB.
Frequently Asked Questions
What bitrate for 1080p streaming?
1080p at 30fps with H.264 typically needs 4–8 Mbps. H.265 achieves similar quality at half the bitrate.
What is BPP?
Bits Per Pixel (BPP) is the number of bits used to encode each pixel. Lower BPP means better compression efficiency.
Why is AV1 better than H.265?
AV1 achieves the same quality as H.265 at about 30% lower bitrate, but requires significantly more encoding time.