Cryptography & Security Calculators
Audit cryptographic parameters. Analyze security bit lengths, dissect hash function characteristics, calculate password entropy limits, estimate CA validity intervals, and encode byte streams.
Hash Output Analyzer
Analyze hash function characteristics (MD5, SHA-1, SHA-2, SHA-3), including bit size, hex length, collision vulnerability, and use cases.
Select Digest Function
Hash functions compress arbitrary data packets into constant-size cryptographic hex digests. Collision resistance depends on the birthday paradox, meaning a 256-bit hash offers roughly 128 bits of robust collision protection.
Security Parameter Audit
Audit VerifiedExplore Additional Utilities
Gear inches — chainring ↔ cog ↔ wheel size
Calculate bicycle gear inches, development (meters of development), and gear ratio options.
Water hammer pressure — velocity ↔ pressure spike
Determine the maximum instantaneous water hammer pressure shockwave surge from sudden flow velocity shutdowns.
Electrode size ↔ amperage range — stick welding
Match stick electrode sizes (3/32", 1/8", 5/32") and classes (E7018, E6010, E6013) with optimal welding amperage ranges.
Paint Coverage Calculator
Estimate the gallons or liters of paint needed based on area and number of coats.
Coffee Brewing Ratio Calculator
Determine the perfect coffee-to-water brewing ratio based on grams of coffee, milliliters of water, and cup size.
Slope & Contour Profiler
Calculate typographic slope gradients, percentage slopes, and angles from elevation contour differences.
Audio File Size & Sample Rate
Compute uncompressed audio files size based on sample rate, bit depth, and duration.
JSON Formatter
Format, validate, beautify, and minify your JSON data structures in real-time.
BBQ Smoking Wood Quantity Calculator
Calculate the optimal quantity of smoking wood chunks or chips needed based on meat weight and type.
Flight Altitude Calibrator
Convert cruise altitudes between feet, meters, and flight levels, and estimate standard air temperature and oxygen rules.
Hyperfocal Distance Calculator
Calculate hyperfocal distance, near sharp limit, and depth of field range starting point for any focal length, aperture, and sensor format.
Key length ↔ security bits — RSA vs AES equivalence
Compare security levels (bits of security) across symmetric keys, RSA, and Elliptic Curve Cryptography (ECC) based on NIST standards.
NATO Phonetic Alphabet
Spell out commands or names phonetically using the standard military/aviation phonetic alphabet.
dBm to Watts/Volts
Convert RF power levels between dBm, milliwatts, watts, and RMS voltage across 50/75 ohm impedance.
Atomic mass units ↔ grams — mole calculations
Convert Atomic Mass Units (u / Da) to grams or kilograms, and compute molar quantities of chemical elements.
Tree diameter ↔ basal area — forestry measurement
Convert tree breast height diameters to single tree basal area or estimate stand basal area densities per acre or hectare.
Stage lighting — lux ↔ foot candles ↔ beam angle
Convert between Lux and Foot-candles, and compute beam diameter coverage footprint at specific throw distances.
Loan EMI Payment Calculator
Calculate monthly loan EMI payments, total interest payable, and overall payout projections.
Engine power ↔ hull speed — planing vs displacement
Estimate maximum displacement hull speeds (LWL formula) or calculate planing hull speeds using Crouch's classic marine formula.
Pipe thread standard — NPT ↔ BSP ↔ metric
Compare dimensions, angles, thread pitches, and sealing mechanics of NPT, BSPP, BSPT, and Metric thread systems.