Latency Estimator

Measure TCP connect timing to a host from my server.

hub Networking verified_user Processed securely on server cloud_upload Files deleted after processing
grid_view All Networking apps Tool hub

Switch tool

lan IP Subnet Calculator numbers IP Address Converter hub CIDR Calculator router MAC Address Generator search MAC Vendor Lookup list Port Number Reference public IPv6 Converter speed Bandwidth Calculator download Download Time Calculator network_check Latency Estimator dns DNS Propagation Checker search WHOIS Lookup
tune

Workspace

Processed on my server — not stored after completion

verified_user Private cloud Server processed
cloud

This tool runs on my server. Uploaded files are processed in a temporary folder and deleted immediately after the response.

Measures TCP connect timing from my server — not ICMP ping.

About this tool

Estimate network latency by measuring TCP connection time from my server to a host and port you specify. This is not ICMP ping — it reports connect timing in milliseconds.

FAQ

Common questions about the Latency Estimator.

Run three TCP connect timing samples from my server to the host and port you provide, then report min, average, and max latency.
Yes. This tool is completely free with no usage limits and no account required.
Yes. The hostname and port are sent to my server so it can run the connectivity test. They are not stored.
Yes. The layout is responsive and works on phones, tablets, and desktops.
keyboard
auto_awesome New Typing

Free online typing test

Practice WPM, accuracy, quotes, and coding snippets — timed tests, personal bests, and key heatmaps. Free in your browser.

Start typing test arrow_forward