Tools

Simple lab calculators

Quick math for everyday bench work. Everything runs in your browser; nothing is saved or sent anywhere.

Double-check any result that matters before you rely on it.

Temperature converter

Convert between Celsius, Fahrenheit and Kelvin.

Celsius (°C)Fahrenheit (°F)Kelvin (K)

Most household refrigerators run at about 2–8 °C (36–46 °F). A freezer is usually around −18 °C (0 °F).

Find how much stock solution and diluent to mix for a target concentration (C₁V₁ = C₂V₂).

Stock concentrationTarget concentration

Use the same concentration unit in both fields (for example mg/mL or %).

Final volumeVolume unit

Enter all three values to see the result.

Convert mass and volume units.

TypeValue

FromTo

Result1 g = 1,000 mg