Science & Engineering Calculators
Ohm’s law, electricity, density, molarity, horsepower, wind chill, and lab helpers.
16 tools
- Carbon Footprint Calculator Rough CO₂e from car km, flights, and home electricity.
- Density Calculator Density = mass / volume.
- Dew Point Calculator Approximate dew point.
- Electricity Calculator Energy cost from watts and hours.
- Engine Horsepower Calculator Approximate engine HP.
- Half-Life Calculator Radioactive decay remaining amount.
- Heat Index Calculator Heat index from T and humidity.
- Horsepower Calculator HP from torque and RPM.
- Mass Calculator Mass = density × volume.
- Molarity Calculator Moles / liters.
- Molecular Weight Calculator Sum atomic weights from a simple formula map.
- Ohms Law Calculator V = IR solver.
- Resistor Calculator Series / parallel resistance.
- Speed Calculator Speed = distance / time.
- Voltage Drop Calculator DC voltage drop estimate.
- Wind Chill Calculator Wind chill temperature.