Unit conversions with the working shown — built for science students.

Physics shortcuts

• 100 km/h to m/sSpeed
• 25 C to KTemperature
• 1 year to secondsTime
• 1 month to daysTime

Also available

• Force
• Power
• Acceleration
• Frequency
• Angle
• Electrical
• Data Transfer Rate
• Each
• Digital
• PartsPer
• Pace
• Current
• Voltage
• ReactivePower
• ApparentPower
• ReactiveEnergy
• VolumeFlowRate
• Illuminance

30 categories. Month and year use stated scientific averages — not calendar dates — so your homework stays honest. Read the methodology.