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Convert m/s² into in/s², g
Distance calculator
Speed x time → distance
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How much $ does your electric car use in kWh per year?
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Exponential growth / logarithmic decay
Fuel Cost calculator
How much $ does your car fuel cost per year?
Gladwell's 10000 hours
Deliberate practice according to Malcolm Gladwell
Speed converter
m/s ⇆ km/h, mph, mach
Bandwidth convert
Mbps ⇆ KB/s, GB/day, TB/week ...
Data size calculator
Calculate 10 Mbps x 6.5 hours = ? GB
Frequency Calculator
Hertz -> wavelength, spectrum
Electrical power
Volt x Amp → Watt, kWh, Ah, Joule, calorie
Wavelength Calculator
Wavelength -> Hz, spectrum
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Calculate monthly payments for a mortgage loan
How could you use these tools?
Radioactive decay of Carbon-14
Click on
calculate >> exponential
Carbon-14 has a half-life of 5730 years
Exponential growth of virus COVID-19 in USA
Click on
calculate >> exponential
There were 1714 people infected in the US on 15 March 2020, and over 100.000 14 days later.
This motor cycle does 185 km/h. What is that in miles/hr, and in meter/sec?
Click on
calculate >> speed
Fill in
180 km/hr
. This translates to 115 miles/hr, and 51.39 meter/sec.