Plumbing Water Hardness As Caco3 Calculator
Convert actual independent hardness-ion assays via caller verified equivalent weights into CaCO3-equivalent contributions; not mass sum, default ion identity or water quality diagnosis.
Description
Hardness expressed as CaCO3 converts ion concentrations using equivalent weights.
Hardness expressed as CaCO3 converts ion concentrations using equivalent weights. Consistent equivalent weights distinguish this from summing raw ion masses.1
The returned values include Observed hardness contributions mg caco3 liter, Total observed hardness mg caco3 liter. The How section below explains the calculation, input rules and interpretation.
When to use Plumbing Water Hardness As Caco3 Calculator
Use Plumbing Water Hardness As Caco3 Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. No laboratory assay, charge balance or water suitability assessment is performed.
Prepare measured flows, pressures, temperatures or inventories with consistent units. For catalog tools, use independently verified capacities at the stated operating conditions and supply the explicit design demand.
How to use Plumbing Water Hardness As Caco3 Calculator and understand its results
- Prepare measured flows, pressures, temperatures or inventories with consistent units. For catalog tools, use independently verified capacities at the stated operating conditions and supply the explicit design demand.
- Enter observedIonMgLiter, callerIonEquivalentWeightMgPerMilliequivalent, callerCaco3EquivalentWeight using the field table and calculation rules, then run the tool.
- Read observedHardnessContributionsMgCaco3Liter, totalObservedHardnessMgCaco3Liter. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| observedIonMgLiter | Observed ion mg liter | list of number | Required |
| callerIonEquivalentWeightMgPerMilliequivalent | Caller ion equivalent weight mg per milliequivalent | list of number | Required |
| callerCaco3EquivalentWeight | Caller caco3 equivalent weight | number | Required |
Enter aligned nonempty nonnegative ion assays and positive equivalent weights, plus positive CaCO3 equivalent weight. Return each contribution and pooled hardness in mg/L as CaCO3.
contribution_i=assay_i/ionEquivalentWeight_i×CaCO3EquivalentWeight Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| observedHardnessContributionsMgCaco3Liter | Observed hardness contributions mg caco3 liter | list of number |
| totalObservedHardnessMgCaco3Liter | Total observed hardness mg caco3 liter | number |
{
"input": {
"observedIonMgLiter": [
20,
10
],
"callerIonEquivalentWeightMgPerMilliequivalent": [
20,
12.5
],
"callerCaco3EquivalentWeight": 50
},
"output": {
"observedHardnessContributionsMgCaco3Liter": [
50,
40
],
"totalObservedHardnessMgCaco3Liter": 90
}
}Limitations and assumptions
No laboratory assay, charge balance or water suitability assessment is performed.
Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use Plumbing Water Softener Capacity Calculator: A softener must remove a mass of hardness during its service interval. Rated capacity includes the caller’s usable fraction. For a complementary task, use Plumbing Corrosion Index Ryznar Calculator: The Ryznar index uses measured pH and independently established saturation pH under matched conditions. It is an empirical index rather than a corrosion rate.
References
Similar or alternative tools
- Plumbing Water Softener Capacity Calculator
A softener must remove a mass of hardness during its service interval. Rated capacity includes the caller’s usable fraction.
- Plumbing Corrosion Index Ryznar Calculator
The Ryznar index uses measured pH and independently established saturation pH under matched conditions. It is an empirical index rather than a corrosion rate.