1 mg ÷ 2 mL
0.5 mg/mLPeptide calculator
Adjust your vial, solution volume and target amount.
Watch every measurement update together.
Your inputs
Total peptide mass shown on your vial.
Volume after reconstitution.
Enter the amount specified by your research protocol.
Example values are prefilled. Enter your own protocol measurements.
Your measurement
50unitson a U-100 scale
Equivalent volume0.5 mL500 µL
0 units30 units · 0.3 mL
1-unit graduations shown. Check your instrument’s actual markings.
Full samples per vial4
Remaining peptide0 µg
Theoretical yield, before handling losses.
The calculated 0.5 mL exceeds this 0.3 mL syringe. The drawing stops at capacity.
Explore dilution
Choose a final volume to see how it changes the concentration and measurement.
Calculation breakdown
0.25 mg ÷ 0.5 mg/mL
0.5 mL0.5 mL × 100 units/mL
50 units1 mg = 1,000 µg · On the U-100 scale, 1 mL = 100 units. Calculations use full precision; displayed values use up to six significant digits.
For laboratory research calculations. Target amounts are user-entered. Follow your research protocol for preparation and use.