All tools
Browse by page or use search — full list is not dumped on one URL.
- Regular hexagon area
- Arithmetic sequence nth term
- ASCII code table lookup
- Image aspect ratio calculator
- Width from aspect ratio
- Takt time seconds
- Asset turnover ratio
- Binocular field width m at 1km
- Transit depth percent
- Brightness ratio from magnitudes
- Orbital period scale (Kepler)
- Recession velocity from z
- Hour angle from declination
- Years since solar minimum
- Telescope magnification
- atm to mmHg converter
- LUFS headroom scale
- Room absorption sabins
- SPL from sensitivity
- Braking distance scale (v²)
- EV range from battery and efficiency
- Road trip fuel cost
- Wheel speed from RPM and ratio
- L/100km to MPG US
- Lease miles remaining
- MPG US to L/100km
- Oil change km remaining
- Tire revolutions per km
- Availability percent from downtime
- Average of three numbers
- Average of two numbers
- Climb rate ft per min
- Aircraft fuel burn per hour
- Payload range tradeoff scale
- TAS from IAS scale
- Backup storage TB
- Page load seconds from weight
- bar to atm converter
- bar to mmHg converter
- bar to psi converter
- Base64 decoder
- Base64 encoder
- Base64 data URI to image
- Image to Base64 data URI
- Battery backup hours
- Battery runtime hours
- Simply supported beam max moment
- Bee syrup water to sugar ratio