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Network Latency Calculator

DeveloperNetworking

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Guide

Network Latency Calculator

Paste raw ping output from Linux, macOS, or Windows and instantly get a full statistical breakdown of your network latency. The Network Latency Calculator computes mean, median, min, max, range, and standard deviation, plus jitter and packet loss percentage — giving you a complete picture of your connection quality.

How to Use

Paste the raw output from a ping command into the input field (Linux, macOS, or Windows format all supported), or enter comma-separated millisecond values manually. Optionally specify packets sent and received for precise packet loss calculation. Click Analyse to see your full latency statistics and quality grade.

Features

Cross-platform parsing – auto-detects Linux, macOS, and Windows ping output formats
Full statistics – mean, median, min, max, range, and standard deviation
Jitter calculation – average consecutive difference between ping samples
Packet loss – auto-detected from ping output or entered manually
Quality grading – Excellent / Good / Fair / Poor rating with colour-coded badges
Example data – built-in sample ping output to test the tool instantly

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 FAQ

What is jitter and why does it matter for network quality?

Jitter is the variation in packet arrival times, calculated as the average difference between consecutive latency readings. Low jitter means consistent delivery times, which is critical for real-time applications like VoIP, video conferencing, and online gaming. High jitter causes audio dropouts, video freezing, and erratic game performance even when average latency seems acceptable.
What are good latency values for different use cases?

For gaming, latency under 50ms is excellent and under 100ms is acceptable. For video calls, under 150ms round-trip is comfortable. For general web browsing, under 200ms is barely noticeable. Latencies above 300ms feel sluggish for interactive applications. Standard deviation under 10ms indicates stable, predictable connections.
How is standard deviation used to assess network stability?

Standard deviation measures how spread out the latency values are around the mean. A low standard deviation means most pings are close to the average (stable connection), while a high standard deviation indicates spikes and inconsistency. A connection with 80ms mean and 50ms standard deviation is often worse in practice than one with 120ms mean and 5ms standard deviation.
What causes high packet loss?

Packet loss is caused by network congestion (routers dropping packets when buffers overflow), faulty cables or wireless interference, misconfigured network equipment, ISP routing issues, or overloaded servers. Even 1–2% packet loss significantly degrades TCP performance because it triggers retransmission and congestion control backoff, reducing throughput far more than the raw percentage suggests.