RF / SATCOM CONVERTER
RF Power dBm / dBW / Watt Converter
Convert RF power between watts, dBW and dBm using logarithmic power-ratio definitions. Useful for link-budget and equipment-datasheet work.
Results
Watts5 W
dBW6.9897 dBW
dBm36.9897 dBm
Engineering method
dBW = 10 log10(P in watts); dBm = dBW + 30. Reverse conversion uses P(W) = 10^(dBW/10).
Model / conversion relationship
dBW = 10·log10(W); dBm = dBW + 30; W = 10^(dBW/10).
dBW = 10·log10(W); dBm = dBW + 30; W = 10^(dBW/10).
Professional references
These references establish the standards, technical framework or authoritative engineering context used for this page. Vendor commercial terms are not used as engineering evidence.
- BIPM SI Brochure, 9th edition, updated 2026 — Primary international reference for SI units and unit expression.
- NIST Special Publication 811, Guide for the Use of the International System of Units — U.S. NIST guidance for SI use and unit conversions.
- NASA 2026 State-of-the-Art Small Spacecraft Technology, Communications — NASA overview of RF and optical small-spacecraft communications technologies.
Engineering-use note. This PROFENG resource is for screening, comparison and technical preparation. Replace assumptions with project data and use the responsible qualified professional, applicable standards, codes and authority requirements for final design, compliance or safety decisions.
Commercial independence
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