Dimensionless converter

8 units, SI unit —. Every conversion runs through the SI base value, so round-trips are exact.

1 % = 0.01 —
1 % in every dimensionless unit
part per trillion10,000,000,000 ppt
part per billion10,000,000 ppb
part per million10,000 ppm
per cent mille1,000 pcm
basis point100 bp
per mille10 per mille
percent1 %
ratio0.01 —
One ratio in every unit
part per trillion (ppt)1,000,000,000,000 ppt
part per billion (ppb)1,000,000,000 ppb
part per million (ppm)1,000,000 ppm
per cent mille (pcm)100,000 pcm
basis point (bp)10,000 bp
per mille (per mille)1,000 per mille
percent (%)100 %
ratio (—)1 —