Other Calculators

Education, tech and just-for-fun calculators that don't fit anywhere else.

131 calculators available.

Education

Photo and video

Crop Factor Calculator Find the full-frame equivalent focal length. Megapixels Calculator Find megapixels from image dimensions. Image File Size Calculator Estimate uncompressed image file size. TV Size Calculator Find a screen's width and height from its diagonal. Resolution Scale Calculator Scale image dimensions by a percentage. Hyperfocal Distance Calculator Find the hyperfocal distance for maximum depth of field. Depth of Field Calculator Find the near and far focus limits and total depth of field. Camera Field of View Calculator Find a lens's angle of view. Focal Length Calculator Find the 35mm-equivalent focal length. Exposure Calculator Find the exposure value (EV) from aperture, shutter and ISO. Contrast Ratio Calculator Find the WCAG contrast ratio between two luminances. Blink-free Photo Calculator Find the chance everyone has their eyes open in a group photo. Pixels to Print Size Calculator Find the print size of an image at a given PPI. Projector Calculator Find the projected image size from throw ratio and distance. Time Lapse Calculator Plan a time-lapse: shooting time and frame count. Frames to Timecode Calculator Convert a frame count to HH:MM:SS:FF timecode. Timecode to Frames Calculator Convert HH:MM:SS:FF timecode to a frame count. Vertical Exaggeration Calculator Find the vertical exaggeration of a terrain profile. Video File Size Calculator Estimate a video file's size from its bitrate and length. 3D Render Calculator Estimate total render time for an animation.

Music

Tech and electronics

Aspect Ratio Calculator Simplify a width and height into an aspect ratio. Password Entropy Calculator Estimate password strength in bits of entropy. Screen PPI Calculator Find a display's pixels per inch. Download Time Calculator Estimate how long a download takes. 3D Printing Cost Calculator Estimate the cost of a 3D print. Battery Life Calculator Estimate how long a battery lasts. Battery Charge Time Calculator Estimate battery charging time. Duty Cycle Calculator Find the duty cycle of a signal. Amdahl's Law Calculator Find the maximum speedup from parallelizing part of a task. Battery Capacity Calculator Convert battery energy to capacity in mAh. Battery Size Calculator Find the battery capacity needed for a given load and runtime. Op-Amp Gain Calculator Find the gain of an inverting or non-inverting op-amp. LM317 Calculator Find the output voltage of an LM317 regulator. PCB Trace Resistance Calculator Find the resistance of a copper PCB trace. PCB Trace Current Calculator Find the current a PCB trace can carry (IPC-2221). Chmod Calculator Convert Unix permissions to octal and symbolic notation. CIDR Calculator Find host count and subnet mask from a CIDR prefix. Hamming Distance Calculator Count the differing bits between two numbers. Hamming Code Calculator Find the parity bits needed for a Hamming code. Parity Bit Calculator Find the parity bit for a byte. RAM Latency Calculator Find the true latency of RAM in nanoseconds. ASCII Converter Convert text to its ASCII character codes. Text to Binary Converter Convert text to 8-bit binary. Binary to Text Converter Convert space-separated binary bytes to text. Hex to Text Converter Convert a hexadecimal string to text. Letters to Numbers Converter Convert letters to their alphabet position (A=1). Caesar Cipher Shifter Encrypt or decrypt text with a Caesar shift. Morse Code Translator Translate text into Morse code. Total Harmonic Distortion Calculator Find THD from the fundamental and harmonic amplitudes. Propagation Delay Calculator Find signal propagation delay along a cable. RAID Calculator Find usable storage capacity for a RAID array. GSD Calculator (Ground Sample Distance) Find the ground sample distance of aerial imagery. Drone Flight Time Calculator Estimate a drone's flight time from battery and current draw. Drone Motor Calculator Find the per-motor thrust needed for a multirotor. eDPI Calculator Find effective DPI from mouse DPI and in-game sensitivity.

Internet and network

Logistics

Earth and weather

Games and fun

Age on Other Planets Calculator See how old you'd be on Mars, Jupiter and beyond. K/D Ratio Calculator Calculate your kill/death ratio. Aquarium Volume Calculator Find a rectangular aquarium's water volume. Diamond Weight (Carat) Calculator Estimate a round diamond's carat from its diameter. Pyramid Block Calculator Count blocks in a square-stepped pyramid. Impostor Odds Calculator (Among Us) Find your chance of being an impostor. Minecraft Stack Calculator Convert item counts to stacks. Nether Portal Calculator Convert Overworld coordinates to the Nether. Minecraft End Portal Finder Triangulate a stronghold from two eye-of-ender throws. Easter Calculator Find the date of Easter Sunday for any year. Day of the Week Calculator Find the day of the week for any date. Tip from Net Price Calculator Find a tip based on the pre-tax (net) price. PERT Calculator Find a PERT time estimate and its standard deviation. Gender Pay Gap Calculator Find the pay gap between two groups. Engagement Rate Calculator Find a social media engagement rate. Poker Odds Calculator Find the chance of hitting an out in poker. Rounds per Minute Calculator Find the rate of fire in rounds per minute. Playback Speed Calculator Find the new duration when changing playback speed. Carat Weight Calculator Estimate a round diamond's carat weight from its measurements. Angle of Impact Calculator Find the impact angle of a blood spatter stain. Oxygen Tank Duration Calculator Estimate how long a gas cylinder lasts. Travel Expenses Calculator Total up the costs of a trip. NaNoWriMo Calculator Find the daily word count to hit your writing goal. Aquarium Glass Thickness Calculator Estimate the glass thickness for an aquarium (guide only).