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?
My mobile 4G data allowance is 5GB/month. How much is that per day or per hour? Click on
data >> bandwidth Fill in
5GB/mo. This is equivalent with 167MB/day or 7MB/hr
How big is a 15-minute 1080p25 movie in ProRes 4444? Click on
video >> bitrates Look up 1080p25:
275 Mbps. Click on the
2.06 GB/min and fill in
15 minutes. This adds up to
I can write to my USB stick at 13 MB/s. So how much can I write in 15 minutes? Click on
data >> filesize Fill in
13 MB/s and
15 minutes. This will give you 11.7 GB in those 15 minutes.
If I'm showing an HD video on a scope screen, how much of the screen am I using? Click on
photo >> aspect Fill in
1920 x 1080, look at "scope screen" letterboxing:
74.4% is used.
I want to print a 50x70cm poster at 300dpi, what pixel resolution do I need? Click on
photo >> dpi Fill in
70 cm and
300dpi, and you get
5907px x 8268px
I have a 30-second TV commercial at 25fps, what happens if I convert it to 24fps (cinema)? Click on
video >> framerate Fill in
25 (input) fps,
30 sec and
24 (output) fps. Results: your cinema spot will be
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.
If I practice my violin for 3 hours every day, how long until I reach (Gladwell's) 10.000 hours level of excellence? Click on
calculate >> practice Fill in
7 days/week and
52 weeks. You will find it would take you 9.2 years.
If I borrow $20.000 to buy a car, and I pay that off in 4 years, how much do I pay per month? Click on
finance >> mortgage Fill in
4 years and the current interest rate, e.g.
1.9%. This gives a monthly payment of $433 (FRM).
What is the RGB color #F60 in CMYK? Click on
color >> rgb Fill in
F60. In CMYK this would be (0, 0.6, 1, 0)