3D Printing Cost Calculator
Estimate 3D printing costs including filament, electricity, time, and wear. Compare materials and optimize your print settings for the best value.
Free Development Calculators
44 toolsCode quality, test coverage, and productivity tools. Browse our free development tools below — no sign-up required.
3D Render Time Calculator
Estimate 3D rendering time based on scene complexity, resolution, samples, and hardware. Compare CPU vs GPU rendering and plan your render farm budget.
Amdahl's Law Calculator
Calculate theoretical maximum speedup from parallelization using Amdahl's Law. Visualize diminishing returns and find the optimal number of processors.
Antipode Calculator
Find the antipodal point (opposite side of Earth) for any coordinates. Visualize the exact location diametrically opposite to your position on the globe.
Audio File Size Calculator
Calculate audio file sizes for WAV, MP3, FLAC, AAC and more. Estimate storage needs based on duration, bitrate, sample rate, and channels.
Bandwidth-Delay Product Calculator
Calculate the bandwidth-delay product (BDP) for network connections. Optimize TCP window sizes and buffer settings for maximum throughput.
Baud Rate Calculator
Calculate baud rates, bit rates, and serial communication timing. Convert between baud and bps for UART, RS-232, SPI, and I2C interfaces.
Caesar Cipher Calculator
Encrypt and decrypt text using the Caesar cipher. Shift letters by any amount, brute-force all 25 shifts, and learn classical cryptography basics.
CBM Shipping Calculator
Calculate cubic meter (CBM) volume and shipping costs for freight. Estimate container fill, dimensional weight, and compare LCL vs FCL options.
Chmod Calculator
Convert between chmod numeric and symbolic notation. Visualize Unix file permissions for owner, group, and others with an interactive permission builder.
Code Review Time Calculator
Estimate code review duration based on lines changed, complexity, and context switching. Optimize review processes for efficiency.
CV Screening & Interview Time Calculator
Estimate total time for hiring pipelines: CV screening, phone screens, technical interviews, and final rounds. Plan recruiting capacity and timelines.
Cyclomatic Complexity Calculator
Calculate McCabe cyclomatic complexity from edges, nodes, and connected components. Classify code complexity and risk levels.
Developer Productivity Calculator
Calculate a weighted developer productivity index from commits, PRs, reviews, incidents resolved, and story points delivered.
Frames to Timecode Calculator
Convert between video frame numbers and SMPTE timecode (HH:MM:SS:FF). Supports 24, 25, 29.97 drop-frame, 30, and 60 fps standards.
Git LFS Cost Calculator
Calculate Git LFS storage and bandwidth costs. Compare pricing across GitHub, GitLab, and Bitbucket for large file storage.
Hash Identifier Calculator
Identify hash types by length and format. Generate hash checksums (MD5, SHA-1, SHA-256, SHA-512) and compare hash properties and collision resistance.
Image File Size Calculator
Estimate image file sizes from resolution, bit depth, and format. Compare JPEG, PNG, WebP, AVIF, and RAW sizes with compression ratios.
IP Subnet Calculator
Calculate IPv4 subnets: network/broadcast addresses, host ranges, wildcard masks, and CIDR notation. Plan subnetting for any network size.
Lines of Code Calculator
Calculate LOC, SLOC, blank lines, comment lines, and comment ratio for your codebase. Analyze code composition metrics.
Monorepo vs Polyrepo Build Calculator
Compare monorepo and polyrepo build times. Calculate affected package builds vs per-repo builds with dependency overhead.
Parity Bit Calculator
Calculate even and odd parity bits for binary data. Visualize error detection in serial communication, check Hamming distance, and learn binary parity.
Pixels Per Inch (PPI) Calculator
Calculate display pixel density (PPI) from resolution and screen size. Compare devices, check Retina thresholds, and understand pixel density impact.
Pixels to Print Size Calculator
Convert pixel dimensions to physical print size at any DPI. Supports inches, centimeters, and standard paper/photo sizes with quality indicators.
Pizza Tip Calculator
Calculate fair tips for pizza delivery based on order total, distance, weather, and service quality. Includes per-person splits and tipping etiquette guidelines.
PR Merge Time Calculator
Estimate pull request merge time from first review through iterations, CI checks, and approval wait. Reduce PR cycle time.
Pyramid Block Calculator
Calculate the number of blocks, total weight, and construction parameters for a pyramid. Supports step pyramids and smooth-sided pyramids with custom block dimensions.
RAM Latency Calculator
Calculate RAM latency in nanoseconds from CAS latency and clock speed. Compare DDR3, DDR4, and DDR5 modules to optimize memory performance for your PC build.
Repository Size Calculator
Estimate Git repository size from objects, LFS files, and history depth. Calculate expected clone times at different speeds.
Resolution Scale Calculator
Calculate scaled resolution, pixel count, and aspect ratio for displays, games, and video rendering. Convert between common resolutions and custom scaling percentages.
RGB Color Calculator
Convert between RGB, HEX, HSL, and HSV color formats. Explore color harmony, contrast ratios, and generate complementary palettes for web design.
Screen Magnification Calculator
Calculate effective magnification, virtual image size, and viewing angle for screen magnifiers, loupes, and accessibility zoom settings.
Screen Size Calculator
Calculate display dimensions, PPI, aspect ratio, and viewable area from diagonal size and resolution. Compare monitors, TVs, tablets, and phones.
Search Engine Ranking Calculator
Estimate organic click-through rates (CTR), traffic potential, and revenue from search engine rankings. Model SERP positions 1-100 with custom search volumes.
Skull Index (Cephalic Index) Calculator
Calculate the cephalic index from head width and length measurements. Classify skull shape as dolichocephalic, mesocephalic, or brachycephalic with visual indicators.
Solar Noon Calculator
Calculate the exact time of solar noon, sunrise, sunset, and day length for any location and date. Includes equation of time, solar declination, and twilight times.
Sprint Velocity Calculator
Calculate sprint velocity from completed story points. Forecast remaining work and estimate project completion timelines.
Story Points to Hours Calculator
Convert story points to estimated hours using your team's average velocity. Calculate confidence intervals for sprint planning.
Team Capacity Calculator
Calculate available team capacity in hours after accounting for meetings, PTO, and non-coding overhead for sprint planning.
Technical Debt Estimator
Estimate technical debt in hours and as a ratio of development effort. Prioritize remediation based on complexity and impact.
Test Coverage Calculator
Calculate line and branch code coverage percentages. Determine how many additional lines need testing to reach your target.
Test Flakiness Rate Calculator
Calculate test flakiness rate and estimate the cost of flaky tests in wasted CI time, developer productivity, and pipeline reruns.
Test Suite Runtime Calculator
Calculate total test suite runtime and estimate parallelized execution time across multiple workers with overhead factors.
Typing Speed Calculator
Calculate your typing speed in WPM, CPM, and accuracy. Time yourself with custom text, analyze error patterns, and track improvement over sessions.