Basal Insulin Dose Calculator
Result
Basal Insulin Dose Calculator Estimate a starting basal (background) insulin dose from body weight. A common rule of thumb sets the total daily insulin dose (TDD) at around 0.3–0.7 units per kilogram, with roughly half of that given as long-acting basal i — free online calculator.
Formula
- Basal Insulin Dose Calculator calculates its result from Body weight (kg), Clinician-provided TDD factor (units/kg), Basal fraction (%). It uses the formula Basal amount = body weight × clinician-provided total-daily factor × clinician-provided basal fraction.. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice. This calculator performs arithmetic only and does not recommend a dose. Enter medication-specific values from an appropriate clinician, prescription, product label, or authoritative reference.
- The main inputs are Body weight, Clinician-provided TDD factor, Clinician-provided basal fraction. 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: Basal Insulin Dose
- Body weight: 70 kg
- Clinician-provided TDD factor: 0 units/kg
- Clinician-provided basal fraction: 0 %
Using Body weight (kg) = 70, Clinician-provided TDD factor (units/kg) = 0, Basal fraction (%) = 50, the calculated result is Total: 0 | Selected fraction: 0.
Sample result: Calculating…
Frequently asked questions
What does the Basal Insulin Dose calculate?
This calculator performs arithmetic only and does not recommend a dose. Enter medication-specific values from an appropriate clinician, prescription, product label, or authoritative reference.
Which values should I enter?
Enter Body weight, Clinician-provided TDD factor, Clinician-provided basal fraction using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Basal amount = body weight × clinician-provided total-daily factor × clinician-provided basal fraction..
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
Sources
- Pharmacologic Approaches to Glycemic Treatment: Standards of Care in Diabetes—2026 — American Diabetes Association — Current Standards of Care source for individualized basal and total-daily insulin treatment concepts.