Toolstud.io calculation examples

This website contains a bunch of web-based tools that I have developed through the years. These are some examples of how to use them. This page gives you 10 examples at random. Refresh the page to see other examples!

How could you use these tools?

If I'm showing an HD video on a scope screen, how much of the screen am I using?

Fill in 1920 x 1080, look at "scope screen" letterboxing: 74.4% is used.

My mobile 4G data allowance is 5GB/month. How much is that per day or per hour?

Fill in 5GB/mo. This is equivalent with 167MB/day or 7MB/hr

At home I have Internet at approx. 120Mbps. How long to take to download a 2GB Wetransfer file?

Fill in 120 Mbps. This is equivalent to 900MB/min. So 2GB would go through in 2.2 minutes.

What is the RGB color #F60 in CMYK?

Fill in F60. In CMYK this would be (0, 0.6, 1, 0)

I want to print a 50x70cm poster at 300dpi, what pixel resolution do I need?

Fill in 50 cm, 70 cm and 300dpi, and you get 5907px x 8268px

Radioactive decay of Carbon-14

Carbon-14 has a half-life of 5730 years

Exponential growth of virus COVID-19 in USA

There were 1714 people infected in the US on 15 March 2020, and over 100.000 14 days later.

I have a 30-second TV commercial at 25fps, what happens if I convert it to 24fps (cinema)?

Fill in 25 (input) fps, 30 sec and 24 (output) fps. Results: your cinema spot will be 31.25 sec.

If I practice my violin for 3 hours every day, how long until I reach (Gladwell's) 10.000 hours level of excellence?

Fill in 3 hours, 7 days/week and 52 weeks. You will find it would take you 9.2 years.

This motor cycle does 185 km/h. What is that in miles/hr, and in meter/sec?

Fill in 180 km/hr. This translates to 115 miles/hr, and 51.39 meter/sec.