Bitrate Calculator
Free bitrate calculator for video and audio. Calculate file size from bitrate and duration, find the required bitrate for a target file size, or estimate video duration. Essential for video encoding and streaming.
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Plan Your Video Encoding
Whether you're encoding video for streaming, archiving, or sharing, understanding bitrate is crucial. Our calculator helps you balance quality and file size by computing the relationship between bitrate, duration, and storage requirements.
What is Bitrate?
Bitrate measures how much data is processed per second in a video or audio file, typically in Mbps (megabits per second) or Kbps (kilobits per second). Higher bitrates mean better quality but larger files. The relationship is simple: File Size = Bitrate × Duration.
Bitrate Formula
File Size (bits) = Bitrate (bps) × Duration (seconds)Why Calculate Bitrate?
Storage Planning
Know how much space your video recordings or archives will need.
Streaming Setup
Set appropriate bitrates for your upload bandwidth and platform requirements.
Quality Control
Balance visual quality against file size constraints.
How to Use the Bitrate Calculator
Common Bitrate Scenarios
YouTube Upload
1080p recommended: 8 Mbps. A 10-minute video ≈ 600 MB.
Twitch Streaming
720p60 at 4,500 Kbps. 3-hour stream ≈ 6 GB local recording.
Security Cameras
Calculate storage needs for 24/7 recording at various quality levels.
DVD/Blu-ray
Plan how much content fits on physical media at target quality.
Frequently Asked Questions
Common recommendations: 720p (4-6 Mbps), 1080p (8-12 Mbps), 4K (35-68 Mbps). Double these for high-motion content like sports or gaming. Streaming platforms have specific requirements.