Calculate concentration, volume and device measurement.
61-CLICK PENSYRINGE UNITS + MLMOBILE FRIENDLY
Insulin Pen Calculator
Device setting: 61 clicks = 0.5 mL • 1 click ≈ 0.008197 mL
VOLUME
0.250
mL
PEN SETTING
30
clicks
Concentration10 mg/mL
Volume needed2.5 ÷ 10 = 0.250 mL
Pen measurement0.250 ÷ 0.008197 ≈ 30 clicks
Calculator output is mathematical only. Verify your vial concentration, device calibration and prescribed instructions before use.
Syringe Calculator
Common U-100 scale: 100 units = 1 mL. Choose the syringe scale you are actually using.
VOLUME
0.250
mL
SYRINGE
25
units
Concentration10 mg/mL
Volume needed2.5 ÷ 10 = 0.250 mL
Syringe measurement0.250 × 100 = 25 units
U-100 QUICK REFERENCE
Units
mL
Units
mL
10
0.10
30
0.30
20
0.20
40
0.40
25
0.25
50
0.50
IMPORTANT
• This tool calculates concentration and volume from the values you enter.
• It does not choose or recommend a dose.
• Confirm the vial label, reconstitution instructions and measuring device before relying on the result.
DISCLAIMER
This calculator is for informational and mathematical purposes only. It does not replace professional medical advice, prescribing instructions or pharmacy guidance. Always verify calculations and device compatibility with a qualified healthcare professional.