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- Unit Conversion
- Angle (rad)
- Area (sqm)
- Data-Storage (B)
- Data transfer rate (B/s)
- Density (kg/m3)
- Energy+Power (J)
- Frequency (Hz)
- Fuel (km/L)
- Length[m]
- Mass + Weight (kg)
- Pressure (Pa)
- Quantity (i)
- Speed (m/s)
- Temperature (K)
- Time (s)
- Volume (L)
- Popular conversions
- meters to feet
- meters to yards
- meters to inches
- feet to meters
- feet to miles
- feet to yards
- inches to centimeters
- inches to meters
- yards to meters
- yards to feet
- yards to inches
- centimeters to inches
- Calculators
- Simple Calculator
- Age calculator
- BAC (blood alcohol content)
- BMI (body mass index)
- Body Fat % calculator
- Calories counter calculator
- Monthly budget calculator
- GPA 4.0 calculator
- Loan calculator
- Compound Interest
- LOVE calculator
- Percentage
- What is 31 percent of 530?
- 31 is what percent of 530?
- Percent change from 31 to 530?
- 530 is 31% of what number?
- More tools
- Colors