Other calculators
218 calculators in 10 groups. Each one shows its formula, a worked example and its sources.
Earth and weather 8
Education 24
- ACT score calculator
- AP Bio score calculator
- AP Chem score calculator
- AP Lang score calculator
- AP World score calculator
- Classroom spacing calculator
- College GPA calculator
- Final grade calculator
- GPA calculator
- GPA calculator Pakistan
- Grade calculator
- Grade curve calculator
- Graduation year by birthday calculator
- Graduation year calculator
- GWA calculator
- High school GPA calculator
- IELTS score calculator
- Impact factor calculator
- Middle school GPA calculator
- PTE score calculator
- School age calculator
- Semester grade calculator
- Test grade calculator
- What grade was I in year calculator
Internet and network 12
Logistics 8
Music 21
- Audio file size calculator
- BPM calculator
- Chord calculator
- Chord finder
- Chord inversion calculator
- Chord progression calculator
- Chord transposer
- Delay and reverb time calculator
- Fret calculator
- Guitar string tension calculator
- Harmonic series calculator
- Key signature calculator
- Music duration calculator
- Music interval calculator
- Music scale calculator
- Music transposition calculator
- Note frequency calculator
- Port length calculator
- Semitone calculator
- Speaker box calculator
- Vocal range calculator
Other 32
- Age on other planets calculator
- Angle of impact calculator
- Aquarium glass thickness calculator
- Aquarium volume calculator
- Caesar cipher shifter
- Carat weight calculator
- Recruitment process duration calculator
- Dating theory calculator
- Diamond weight calculator
- DnD money conversion calculator
- Encounter difficulty calculator for 5e
- Engagement rate calculator
- US flag proportions calculator
- Gender wage gap calculator
- Hire an expert or train a fresher calculator
- Hit points calculator for 5e
- Matched betting calculator
- mm to carat conversion
- NaNoWriMo calculator
- Oxygen tank duration calculator
- PERT estimate calculator
- Pizza tip calculator
- Point buy calculator for 5e
- Poker EV calculator
- Poker odds calculator
- Rounds per minute calculator
- Salt dough calculator
- Sandbox calculator
- Streaming royalties calculator
- Tip calculator
- Tip from net price calculator
- Day of the week calculator
Photo and video 34
- 16:10 aspect ratio calculator
- 16:9 aspect ratio calculator
- 3D render time calculator
- 4:3 aspect ratio calculator
- Aspect ratio calculator
- Blink-free photo calculator
- Camera field of view calculator
- Contrast ratio calculator
- Crop factor calculator
- Depth of field calculator
- Exposure calculator
- Film calculator
- Focal length calculator
- Frames to timecode calculator
- Hyperfocal distance calculator
- Image file size calculator
- Image ratio calculator
- Magnification of a lens calculator
- Pixel aspect ratio calculator
- PPI calculator (pixels per inch)
- Pixels to print size calculator
- Portrait aspect ratio calculator
- Projector calculator
- Resolution scale calculator
- Screen ratio calculator
- Screen size calculator
- Shutter speed calculator
- Time lapse calculator
- Timecode to frames calculator
- TV mounting height calculator
- TV size and distance calculator
- Vertical exaggeration calculator
- Video frame size calculator
- Video file size calculator (by format)
Seasons and holidays 13
- Christmas tree calculator
- Christmas countdown calculator
- Days until fall calculator
- Days until Valentine's day calculator
- Easter calculator
- Vampire apocalypse calculator
- Mayan calendar converter
- New Year countdown calculator
- New Year's resolutions calculator
- Snowman calculator
- Trick-or-treat calculator
- White Christmas calculator
- Zombie invasion calculator
Tech and electronics 56
- 3D printing cost calculator
- Amdahl's law calculator
- ASCII converter
- Battery capacity calculator
- Battery life calculator
- Battery size calculator
- Binary to text converter
- Cable impedance calculator
- Capital case converter
- Chmod calculator
- Crosstalk calculator
- CSS aspect ratio calculator
- Drone flight time calculator
- Drone motor calculator
- Duty cycle calculator
- eDPI calculator
- Floating-point calculator
- Gothic text generator
- Ground sample distance calculator
- Hamming code calculator
- Hamming distance calculator
- Hash identifier
- Hex to text converter
- Impedance matching calculator
- Letters to numbers converter
- LM317 calculator
- Logic gate calculator
- Mirror text generator
- Morse code translator
- Numbers to letters converter
- Op-amp gain calculator
- Parity calculator
- Parity bit calculator
- Password entropy calculator
- PCB impedance calculator
- PCB trace current calculator
- PCB trace resistance calculator
- PCB trace width calculator
- Pi attenuator calculator
- Propagation delay calculator
- RAID calculator
- RAM latency calculator
- RF unit converter
- Sentence case converter
- Small caps generator
- Small text generator
- Strikethrough text generator
- Subscript generator
- Superscript generator
- T9 to text converter
- Text to binary converter
- Text to hexadecimal converter
- Title case converter
- Total harmonic distortion calculator
- Vigenère cipher calculator
- Wingdings translator