dBW to Kilowatt Converter

Power · unit-converter

Convert dBW to Kilowatt with a fixed input and output unit, step-by-step formula line, and reference tables. Linear units use SI watt definitions; mechanical hp uses 550 ft·lbf/s; BTU/h uses the IT BTU; dBm/dBW are logarithmic relative to 1 mW and 1 W. The full Power Converter also includes PS/CV, TR, kVA/MVA, and ft·lb/s.

Calculator

From: dBW (dbw)

To: Kilowatt (kw)

About dBW

dBW is a logarithmic power level relative to 1 W: P(W) = 10^(dBW/10). RF, microwave, and antenna work often use dBW with dBm.

About Kilowatt

One kilowatt is 1,000 W. Motor, heater, and grid-scale loads are often rated in kW.

How to convert decibels relative to 1 w (dbw) to kilowatts

dBm/dBW are logarithmic power levels. P_W = 10^((dBm − 30) / 10), P_W = 10^(dBW / 10), and inverse mappings use 10 × log₁₀(·) with P_W > 0.

To reach Kilowatt, convert dBm → W, then divide by the watt factor for kw (1000 W per 1 kw).

Examples

Example #1: Convert 10 dbw to kilowatt

10 dbw0.01 kw

Example #2: Convert 30 dbw to kilowatt

30 dbw1 kw

Summary

To convert dBW to Kilowatt, first convert dBW to watts: P_W = 10^(dBW/10). Then divide by the watt factor for kw: value_kw = P_W / 1000.

Relationship context

You are converting between logarithmic RF levels (dBm) (Decibels relative to 1 W (dBW)) and SI / decimal power (watts and prefixes) (Kilowatts). Log units (dBm/dBW) use base-10 definitions relative to 1 mW or 1 W; linear units map through watts first, then to or from the selected log unit. Only strictly positive power in watts maps to a real dB power value.

Conversion tables

dBW (dbw)Kilowatt (kw)
0.10.001023293
10.0012589254
20.0015848932
30.0019952623
40.0025118864
50.0031622777
60.0039810717
70.0050118723
80.0063095734
90.0079432823
dBW (dbw)Kilowatt (kw)
100.01
200.1
301
4010
50100
601,000
7010,000
80100,000
901,000,000
10010,000,000