Concentration
vial mass (mg) ÷ diluent volume (mL) = concentration (mg/mL)
Free laboratory tool / 01
Reconstitution
calculator.
Convert vial mass and diluent volume into concentration. Reverse the calculation from a target concentration. Nothing is submitted or stored.
For research use only. Not for human or veterinary use. Not a drug, food, or cosmetic.
Private by design
Your values stay in this browser. This tool has no submit button and sends no calculation data to Forto.
Your values stay in this browser. This tool has no submit button and sends no calculation data to Forto.
Calculated result
2.5
mg/mL
Micrograms per mL2,500 mcg/mL
Required diluent volume2 mL
U-100 measurement conversion
Volume reference table.
This table converts reference mass to liquid volume at the calculated concentration. It is measurement math only—not a dose, protocol, or administration instruction.
| Reference mass | Liquid volume | U-100 scale equivalent |
|---|
U-100 scale conversion: 100 graduation units = 1 mL. Equipment selection and laboratory technique must follow your organization’s validated SOP.
The calculation
Transparent math.
No black box.
Unit conversion
concentration (mg/mL) × 1,000 = concentration (mcg/mL)
Reverse mode
vial mass (mg) ÷ target concentration (mg/mL) = required diluent volume (mL)
Documented research materials
Forto supplies research-grade compounds, 6× tested per batch.
For research use only. Not for human or veterinary use. Not a drug, food, or cosmetic.
Questions / answers
Calculator FAQ.
What does this tool calculate?
It converts vial mass and diluent volume into laboratory concentration in mg/mL and mcg/mL. Reverse mode calculates the diluent volume required to reach a selected concentration.
Does the table tell me how much to use?
No. The reference rows only show the mathematical relationship between mass, volume, and a U-100 graduation scale. They are not dosing, protocol, or administration instructions.
Are my calculation values sent to Forto?
No. The calculation runs locally in your browser. Copying a share link places the values in the URL so you can choose to share them.
Does Forto recommend a laboratory solvent?
No universal solvent is recommended here. Solvent selection and technique must follow the product’s batch documentation and your organization’s validated SOP.