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Heparin Dose Calculator

kg
units/kg
units/kg/hour

Result

Bolus0
Infusion per hour0
↗ Health

Heparin Dose Calculator — free online calculator.

Formula

Bolus = weight × clinician-provided bolus rate; infusion = weight × clinician-provided infusion rate.
  • Heparin Dose Calculator calculates its result from Body weight (kg), Clinician bolus rate (units/kg), Clinician infusion rate (units/kg/hour). It uses the formula Bolus = weight × clinician-provided bolus rate; infusion = weight × clinician-provided infusion rate.. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Body weight, Clinician bolus rate, Clinician infusion rate. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Heparin Dose

Inputs
  • Body weight: 70 kg
  • Clinician bolus rate: 0 units/kg
  • Clinician infusion rate: 0 units/kg/hour

Using Body weight (kg) = 70, Clinician bolus rate (units/kg) = 0, Clinician infusion rate (units/kg/hour) = 0, the calculated result is Bolus: 0 | Infusion per hour: 0.

Sample result: Calculating…

Frequently asked questions

What does the Heparin Dose calculate?

Heparin Dose Calculator — free online calculator.

Which values should I enter?

Enter Body weight, Clinician bolus rate, Clinician infusion rate using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Bolus = weight × clinician-provided bolus rate; infusion = weight × clinician-provided infusion rate..

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026

Sources