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Bandwidth Usage Calculator — Monthly Data Transfer & CDN Cost Estimator

Calculate your application's monthly bandwidth requirements, CDN costs, and peak throughput based on users, session data, and traffic patterns.

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Calculate your application's monthly bandwidth requirements, CDN costs, and peak throughput based on users, session data, and traffic patterns.

Practical example: 1K DAU, 10-min sessions, 2MB/min. For a saas web application scenario, enter the values that match your situation to get an instant cost estimate.

How do I estimate bandwidth for my application? Measure first: use browser DevTools Network tab to measure actual data transferred in a typical session. For a web app: load the page (typically 1–5MB), then add ongoing API calls (0.1–0.5MB per minute of active use). For video: use bitrate × duration (1080p at 4Mbps = 30MB/minute). Add 20–30% headroom for protocol overhead, analytics, and error tracking traffic.

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