dBm / Watts / dBW Converter
Convert between dBm, Watts, milliwatts, dBW, and microwatts instantly.
dBm / Watts / dBW Converter
Enter a value in any field and all other fields will update automatically.
Quick Reference
40 dBm
10
Watts
30 dBm
1
Watt
20 dBm
100
mW
10 dBm
10
mW
0 dBm
1
mW
-10 dBm
100
µW
-20 dBm
10
µW
-30 dBm
1
µW
Formulas:
dBm = 10 × log₁₀(P_mW / 1mW)
dBW = 10 × log₁₀(P_W / 1W) = dBm − 30
P(mW) = 10^(dBm/10)
dBm = 10 × log₁₀(P_mW / 1mW)
dBW = 10 × log₁₀(P_W / 1W) = dBm − 30
P(mW) = 10^(dBm/10)