If you work in RF planning, RAN optimization, network design, or any corner of the telecommunications industry, you know the feeling. You are deep in something that requires your full attention — a drive test analysis, a site configuration, a planning report — and you need one quick number. A channel frequency. A path loss figure. A traffic load in Erlangs. The calculation itself is straightforward, but hunting for a spreadsheet or digging through a standards document breaks your concentration entirely.
TelcoCalc.com has launched as a free online platform of RF calculators and telecom tools, built specifically for engineers who need answers fast — without leaving the work they are actually focused on.
What is TelcoCalc.com?
Small calculations and conversions should never pull an engineer away from the bigger task at hand.
TelcoCalc is a free Telecom and RF calculators, designed for all those who work in telecom profession and also for people who want to know simple service side calculations.
The site is live now and already includes working tools across multiple telecom disciplines. More calculators and converters are being added continuously, with the roadmap focused on the tools that RF engineers, RAN planners, and network professionals reach for most often.
Tools Available at First launch
The tools available in the first launch are:
- 5G NR-ARFCN converter to Frequency
- 4G EARFCN converter
- dbm to watt converter
- Link Budget calculator
- Erlang B and Erlang C calculator
- Path loss calculator
The Developer’s Intent — Built Around the Engineer’s Workflow
TelcoCalc.com was not built as a course, a tutorial site, or a documentation library. It was built as a tool. The developer’s stated intent is that no engineer should ever have to stop, open a spreadsheet, find the right formula tab, and spend five minutes on a calculation that should take fifteen seconds.
The design reflects that intent throughout. Every calculator is immediately accessible from the homepage index. Inputs are minimal — only the values the formula actually requires. Results are returned instantly with the formula shown alongside, so the engineer can verify the logic without looking it up separately.
Who It Is For
TelcoCalc.com is built for anyone who works with radio frequency or telecom calculations professionally:
- RF Planning Engineers — link budgets, path loss, coverage radius, propagation models
- RAN Optimization Engineers — ARFCN/EARFCN conversion, SINR, RSRP, handover margins
- 5G Deployment Teams — NR-ARFCN, band frequency, 5G link budget, SSB power
- Transmission & Backhaul Engineers — FSPL, fade margin, Fresnel zones, microwave link budget
- Core & Traffic Engineers — Erlang B/C, SIP trunks, VoIP bandwidth, bearer capacity
- Students & Researchers — learning and verifying standard telecom formulas in real time
As per the team, they are working to add more calculators, converters, tools required for RF Engineers, Telecom professionals and even for telecom subscribers for small tools like Mbps to Gbps, 4G speed calculator, Internet speed requirement etc.