Calculator tools

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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.