About
"About" tools
Development blog
Contact
History
Privacy Statement
Terms & Conditions
How to use the tools
Calculator
"Calculator" tools
Acceleration calculator
Distance calculator
Electric Car calculator
Exponential growth
Fuel Cost calculator
Gladwell's 10000 hours
Speed converter
Bandwidth convert
Download calculator
Data size calculator
Frequency Calculator
Electrical power
Wavelength Calculator
Mortgage loan calculator
Color
"Color" tools
CMYK conversion
HTML Color list
Pantone Color list
RGB conversion
Websafe Color list
Data
"Data" tools
Bash boilerplate
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
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
Calculate
Calculator tools
Calculator tools
Acceleration calculator
Convert m/s² into in/s², g
Distance calculator
Speed x time → distance
Electric Car calculator
How much $ does your electric car use in kWh per year?
Exponential growth
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 ...
Download calculator
file size & network speed ⇆ time to download
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
Mortgage loan calculator
Calculate monthly payments for a mortgage loan
How could you use these tools?
If I can drive at 95km/hr on average, how far can I get in 16 hours of driving?
Click on
calculate >> distance
Fill in
95 km/hr
and
16 hours
. This will give you 1520 km or 944 mile of distance.
Radioactive decay of Carbon-14
Click on
calculate >> exponential
Carbon-14 has a half-life of 5730 years
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.