Calculate round-trip time (RTT) or a missing one-way latency from client-to-server and server-to-client delays in ms, s, µs, or ns. RTT Calculator One-Way Distance KilometersMilesMetersFeet Signal Medium Fiber optic cable – 200,000 km/sVacuum or air – 300,000 km/sCopper cable – 230,000 km/sSlow network path – 150,000 km/sCustom speed Custom Signal Speed km/sm/smi/s Total Processing Delay … Continue reading RTT Calculator