Calculator Inputs and Outputs
Inputs
- Height (in) — example: 70
- Formula sex — example: male
Results
- Robinson ideal body weight (kg)
- Ideal body weight (lb)
- Inches relative to 5 ft (in)
Formula used
Robinson formula: male 52 kg + 1.9 kg/in over 5 ft; female 49 kg + 1.7 kg/in over 5 ft.
How to Use the Robinson Ideal Body Weight Calculator
Enter the requested values, check the units and assumptions, then select Calculate Robinson Ideal Body Weight. The built-in defaults provide a complete working example.
Formula
Robinson formula: male 52 kg + 1.9 kg/in over 5 ft; female 49 kg + 1.7 kg/in over 5 ft.
Understanding the Results
The primary answer appears first. Supporting outputs show related quantities, conversions, dates, costs, ratios, or intermediate values. Calculations keep additional precision before display rounding.
Accuracy Tips
- Use measured values and consistent units.
- Review assumptions, rates, timing, and efficiency inputs.
- Recalculate after changing any condition.
Important Note
This tool provides an informational estimate. Confirm critical financial, medical, construction, scientific, tax, legal, or safety decisions with an appropriately qualified professional.
Calculation Standards
This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.
Read our calculation methodology