Network Latency Calculator – Ping and RTT
Calculate network latency, bandwidth-delay product, and effective throughput.
About This Calculator
Calculate network latency, bandwidth-delay product, and effective throughput. Use the calculator above for instant results.
Worked Examples
- RTT: 40ms | BDP: 250 KB | Typical broadband
Answer: 40ms RTT
- RTT: 2ms | BDP: 1,250 KB | Data center
Answer: 2ms RTT
- RTT: 400ms | Too high for gaming or VoIP
Answer: 400ms RTT — high
Who Uses This Calculator?
Diagnose latency issues.
Understand ping effects.
Network performance optimization.
Measure network quality.
Common Mistakes to Avoid
❌ Latency vs bandwidth
High bandwidth with high latency is still poor for interactive use. Satellite at 400ms feels terrible regardless of speed.
❌ Jitter matters too
Variable latency (jitter) causes choppy calls. Consistent 20ms is better than variable 5-50ms.
Frequently Asked Questions
Good latency for gaming?
Under 20ms excellent. 20-50ms good. 50-100ms playable. Over 100ms noticeable lag.
Latency by type?
Fiber: 1-5ms. Cable: 10-30ms. DSL: 20-50ms. 4G: 30-70ms. 5G: 1-10ms. Starlink: 20-50ms. GEO Satellite: 600ms.
Reduce latency?
Wired Ethernet. Nearest server. QoS prioritization. Background app control.