Conversion
ppt salinity to specific gravity
Convert between parts-per-thousand salinity and specific gravity at 25 °C (refractometer calibration temperature). For aquarium refractometers and hydrometers.
Formula
SG ≈ 1 + (ppt × 0.00075)ppt ≈ (SG − 1) ÷ 0.00075Quick reference
| ppt | SG @ 25 °C |
|---|---|
| 32 | 1.024 |
| 33 | 1.025 |
| 34 | 1.026 |
| 35 | 1.026 |
| 36 | 1.027 |
| 37 | 1.028 |
Sources & references
- 01Fondriest — Conductivity & Salinityhttps://www.fondriest.com/environmental-measurements/parameters/water-quality/conductivity-salinity-tds/
Related
Last reviewed