How to use the protein sample loading calculator
Find the volume of sample to load for a target protein mass. Enter protein concentration, target mass in the fields above; the volume to load is computed instantly and plotted on the chart so you can see how the answer changes.
Formula
Variables
- c — Protein concentration (µg/µL)
- m — Target mass (µg)
Worked example
With protein concentration = 2.5 µg/µL, target mass = 30 µg, the calculator gives volume to load ≈ 12 µL.
Frequently asked questions
What is the formula for the protein sample loading calculation?
Volume to load (µL) = m / c. Here c is protein concentration (µg/µL), m is target mass (µg).
What inputs do I need for the protein sample loading calculator?
You need protein concentration in µg/µL, target mass in µg. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use this calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.