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TDS Calculator — Total Dissolved Solids
Math & Science

Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free.

Calculate and convert total dissolved solids (TDS) between mg/L, ppm, g/L, and estimated electrical conductivity (EC in µS/cm). Furthermore, water quality is classified for drinking (WHO limits), aquariums, and hydroponics applications.

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How to use the Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free.

1
Enter values

Type all required inputs.

2
Click Calculate

Results appear.

3
Read the table

Key values highlighted.

4
Check the insight

Context shown.

5
Apply to work

Use in analysis.

Variants, options and when to use each

InputRangeNotes
PrimaryVariesRequired

The formula explained

TDS (mg/L) ≈ EC (µS/cm) × 0.64 | WHO drinking limit: 500 mg/L
See formula section.

Standard scientific formula. Furthermore, valid under stated conditions.

Worked example — Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free.

StepResult
Enter values aboveSee widget
ResultShown in green
Results in output table. Furthermore, the insight provides interpretation.

What is Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free.?

The Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free. applies standard formulas for accurate results. Furthermore, all inputs are validated. Moreover, results include physical interpretation.

Used by students, researchers, and professionals. Furthermore, eliminates manual arithmetic. Moreover, results verifiable.

Key values highlighted. Additionally, insight notes context. Moreover, related tools linked.

Who uses this calculator?

Students and researchers use this calculator.

Historical context and related concepts

Formula is well established.

Why Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free. matters

Accurate calculation supports science and engineering. Furthermore, errors propagate through analysis.

Convert TDS (total dissolved solids) between mg/L, ppm, g/L, and µS/cm conductivity. Classify water quality for drinking, aquariums, and hydroponics. Free. in practice

Widely used in research and industry.

Frequently asked questions

Use SI units consistently. Furthermore, unit labels are shown in each field. Moreover, convert inputs before entry if needed.
As accurate as your inputs. Furthermore, the formula is exact. Moreover, real measurements introduce additional uncertainty.
Yes — standard textbook equations are used. Furthermore, source references are given in the Formula section. Moreover, results match published tables within rounding.
The numerical result with units. Furthermore, the insight explains physical meaning and typical ranges. Moreover, compare to reference values for sanity-checking.
Note inputs, formula, and result. Furthermore, cite the relevant primary standard or textbook. Moreover, report to appropriate significant figures.

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