Free Tool

Bandwidth Requirements Calculator

Determine your WAN bandwidth needs for multi-site connectivity, factoring in VoIP, video conferencing, cloud applications, SD-WAN, and redundancy requirements.

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Typical: 30–50% of total users at peak

Bandwidth Requirements by Application

ApplicationPer User / StreamDirectionLatency SensitiveNotes
VoIP Call100 KbpsSymmetricYes (<30ms)Per concurrent call, G.711 codec
Video (SD)1.5 MbpsSymmetricYes (<50ms)Per active video stream
Video (HD)4 MbpsSymmetricYes (<50ms)Per active video stream, 1080p
Video (4K)15 MbpsSymmetricYes (<50ms)Boardroom / presentation quality
Cloud CRM/ERP0.5–2 MbpsDownload-heavyNoDepends on data complexity
File Sharing1–5 MbpsBothNoSync traffic can burst higher
Remote Desktop2–5 MbpsDownload-heavyYes (<30ms)Per active session
General SaaS0.5–1 MbpsDownload-heavyNoOffice 365, Google Workspace

Bandwidth requirements are per user or per stream at typical usage levels. Actual usage depends on specific applications and usage patterns. View our networking solutions

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