About
"About" tools
Development blog
Contact
History
Privacy Statement
Terms & Conditions
How to use the tools
Color
"Color" tools
CMYK conversion
HTML Color list
RGB conversion
Websafe Color list
Data
"Data" tools
Bandwidth convert
Download calculator
Data size calculator
Finance
"Finance" tools
EV mileage calculator
Fuel Cost calculator
Natural Gas calculator
Mortgage loan calculator
Music
"Music" tools
Beats-per-minute
Audio delay
Music Frequency
Song length
Music Scale
Tap your tempo
Photo
"Photo" tools
Aspect ratio
Composition Calculator
Depth-of-Field Calculator
DPI calculator
Image filesize calculator
Light calculator (EV)
Megapixel calculator
Megapixel Aspects
Physics
"Physics" tools
Acceleration calculator
Battery Capacity (Wh)
Distance calculator
Exponential growth
Gladwell's 10000 hours
Speed converter
Frequency Calculator
Electrical power
Wavelength Calculator
Video
"Video" tools
Audio file size calculator
Common bitrates
DCP file size
Foot-Lambert Calculator
Screen size
Video bitrate
Frame rate convert
Video file size calculator
Web
"Web" tools
Content Security Policy
Redirection check
Security Policy Framework check
HTTPS config check
HTML char map
Emoji char map
HTML encoder
SEO Performance
Calculator tools
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.
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
3 hours
,
7 days/week
and
52 weeks
. You will find it would take you 9.2 years.
