Free Tools

Wastewater Treatment Calculators

Estimate treatment costs, calculate tank sizing, determine energy consumption, and more. All calculators are free to use — no registration required.

Treatment Cost Tank Sizing Energy Use Sludge Volume

💰 Treatment Cost Estimator

Estimate annual operating costs based on flow rate and treatment level.

Flow Rate (m³/day)

Treatment Level

Energy Cost ($/kWh)

📐 Tank & Basin Sizing

Calculate required volume based on hydraulic retention time.

Flow Rate (m³/day)

Retention Time (hrs)

Tank Depth (m)

⚡ Energy Consumption

Estimate power consumption and annual energy costs.

Equipment Type

Capacity (m³/day)

Energy Cost ($/kWh)

🟤 Sludge Production Estimate

Estimate daily sludge production based on BOD loading.

Influent BOD (mg/L)

Flow Rate (m³/day)

Treatment Process

📊 BOD Loading & F/M Ratio

Calculate Food-to-Microorganism ratio for process optimization.

Influent BOD (mg/L)

Flow Rate (m³/day)

MLSS (mg/L)

Aeration Volume (m³)

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