PPB to PPM converter (ppb to ppm)

How to convert PPB to PPM

1 ppb = 0.001 ppm.

ppm = ppb × 0.001

Multiply ppb by 0.001:

ppm = 1000 × 0.001 = 1 ppm

Convert 1000 ppb to ppm:

1000 × 0.001 = 1 ppm

PPB:		ppb
	⇅ Swap
PPM:		ppm
Calculation:	PPB to PPM — Step by Step ════════════════════════════════════════════════ Given: 1000 ppb Conversion factor: 1 ppb = 0.001 ppm Step 1 — Apply conversion factor: 1000 × 0.001 = 1 ppm Result: 1000 ppb = 1 ppm ════════════════════════════════════════════════