This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.

Urine output ml/kg/h

From urine volume, weight and collection time – with the oliguria stages according to KDIGO (children and neonates)

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.

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Sources

KDIGO Clinical Practice Guideline for Acute Kidney Injury (Kidney Int Suppl 2:1–138) – Table 2: Staging of AKI Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group, 2012. Guideline (freely accessible)
Neonatal acute kidney injury (Pediatrics 136:e463–e473) – Table 1: Neonatal modified KDIGO criteria Selewski DT, Charlton JR, Jetton JG, et al., 2015. Review article / consensus (freely accessible)

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Note

Calculation aid for healthcare professionals. Clinical assessment remains with the treating physician.

Review date of the German original: 2026-11-05 · Methodology

Frequently asked questions

Urine output ml/kg/h: What does this calculator compute?

Calculates urine output in ml/kg/h from collection volume, body weight and collection time and classifies it according to the urine output criteria of the KDIGO guideline 2012 or the neonatal modified KDIGO stages (Selewski 2015).

Urine output ml/kg/h: Which sources is this calculator based on?

Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group: KDIGO Clinical Practice Guideline for Acute Kidney Injury (Kidney Int Suppl 2:1–138) – Table 2: Staging of AKI (2012); Selewski DT, Charlton JR, Jetton JG, et al.: Neonatal acute kidney injury (Pediatrics 136:e463–e473) – Table 1: Neonatal modified KDIGO criteria (2015)