Unit Conversion
TDS ↔ EC Converter
Convert between TDS (ppm) and EC (mS/cm) using your meter conversion factor.
ppm
3
TDS (ppm)
About EC and TDS
- EC (Electrical Conductivity) measures electrical conductivity in mS/cm. International standard.
- TDS (Total Dissolved Solids) estimates dissolved solids in ppm using a conversion factor.
- The conversion factor depends on your meter manufacturer. Check your meter's manual.