Nuclear & Radiation Lab
Calibrate absorbed doses, evaluate safety equivalents, translate decay activity levels, and model electromagnetic ionizing attenuation through safety shielding.
Sievert ↔ rem (Dose Equivalent)
Convert between Sieverts (Sv), rem, millisieverts (mSv), and millirem (mrem) to quantify biological effects and occupational safety thresholds.
Eating one banana (contains radioactive Potassium-40).
Daily natural background radiation average per human.
Strict annual occupational limit for radiation safety workers (5-year average).
Absolute maximum occupational limit allowed in a single year.
Lowest annual level linked to clear statistical increases in cancer risk.
Severe acute radiation sickness (nausea, white blood cell reduction).
Extremely critical dose; fatal to 50% of individuals within 30 days.
Explore Additional Utilities
Paper size ↔ finished model size — origami scaling
Determine required starting paper square dimensions to fold specific final 3D origami model sizes.
Marine Fuel Consumption Estimator
Estimate marine engine fuel consumption in liters per hour at given RPM values using theoretical propeller law curves.
Heat Index Feels-Like
Assess felt air heat indexes using ambient temperature and relative humidity thresholds.
Water hardness — ppm ↔ grains per gallon ↔ mg/L
Convert brewing water hardness profiles between ppm, mg/L, Grains per Gallon (gpg), and German degrees (dGH).
Ovulation & Fertility Calculator
Predict ovulation day, fertile window phases, and estimate conception probabilities.
Electron volts ↔ joules ↔ nanometers — photon energy
Convert between photon energy (eV, Joules) and physical wavelengths (nm, pm) or frequency (THz).
Stage lighting — lux ↔ foot candles ↔ beam angle
Convert between Lux and Foot-candles, and compute beam diameter coverage footprint at specific throw distances.
Halftone frequency — lpi ↔ dpi requirement
Calculate the necessary image resolution (DPI/PPI) for halftone printing line screens (LPI) and analyze grayscales.
Hash output size — MD5 ↔ SHA1 ↔ SHA256 ↔ SHA512 bits
Analyze hash function characteristics (MD5, SHA-1, SHA-2, SHA-3), including bit size, hex length, collision vulnerability, and use cases.
Scientific Temperature Scale
Convert scientific scales between Celsius, Fahrenheit, Kelvin, and Rankine thermal indicators.
NATO Phonetic Alphabet
Spell out commands or names phonetically using the standard military/aviation phonetic alphabet.
Weight-Based Medication Dosing
Calculate safe weight-based medicine dosages, volume outputs, and administration frequency.
Carbon sequestration — tree species + size → kg CO2 stored
Estimate total green weight, dry organic biomass, carbon mass, and cumulative CO2 equivalent sequestered by an individual tree.
SHA & MD5 Hash Generator
Formulate SHA-1, SHA-256, and MD5 secure cryptographic checksum hashes in real-time right inside your sandbox.
Planck units ↔ SI units — fundamental physics constants
Translate between SI physical units and the fundamental Planck natural units based on universal constants.
Maritime & Aviation Speed
Convert maritime knots, airspeed parameters, and hourly nautical coordinates.
Inverter sizing — load watts ↔ VA rating needed
Analyze total AC continuous and surge loads to specify the ideal inverter Volt-Amp (VA) and wattage ratings.
Text Case Converter
Swiftly switch text between UPPERCASE, lowercase, camelCase, snake_case, or Title Case.
Thermal expansion coefficient — glaze fit calculation
Predict glaze-on-clay crazing or shivering by matching thermal expansion coefficients (COE).
US Inflation Adjuster
Evaluate historical purchasing power changes in the United States using official CPI records.