Peptide calculator

Adjust your vial, solution volume and target amount.
Watch every measurement update together.

Your inputs

Start with your vial

The vial mass and target amount refer to the combined blend.

Peptide in the vial

Total peptide mass shown on your vial.

Final solution volume

Volume after reconstitution.

Target amount per sample

Enter the amount specified by your research protocol.

Syringe scale

0.3 mL30 units0.5 mL50 units1.0 mL100 units

Example values are prefilled. Enter your own protocol measurements.

Your measurement

0.714286unitson a U-100 scale

Equivalent volume0.00714286 mL7.14286 µL

Drag the plunger to change the target amount

0 units30 units · 0.3 mL

1-unit graduations shown. Check your instrument’s actual markings.

Full samples per vial280

Remaining peptide0 µg

Theoretical yield, before handling losses.

Choose a final volume to see how it changes the concentration and measurement.

Concentration

70 mg ÷ 2 mL

35 mg/mL

Volume per sample

0.25 mg ÷ 35 mg/mL

0.00714286 mL

U-100 scale reading

0.00714286 mL × 100 units/mL

0.714286 units

1 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.