Beaufort Wind Force Scale
Convert wind speed units and classify storm conditions on the official Beaufort maritime wind power scale.
Explore Additional Utilities
Wind window — apparent wind angle ↔ power zone position
Determine apparent wind speed, angle, and optimal power zone placement.
Paper Size Comparer
Convert standard paper formats (A4, Letter, Legal, A3) in mm/inches and visually compare overlap.
Ovulation & Fertility Calculator
Predict ovulation day, fertile window phases, and estimate conception probabilities.
Depth of Field (DoF) Calculator
Evaluate depth of field, near/far sharp limits, and circle of confusion based on sensor crop factor, focal length, aperture, and subject distance.
Heat Index Feels-Like
Assess felt air heat indexes using ambient temperature and relative humidity thresholds.
Scientific Temperature Scale
Convert scientific scales between Celsius, Fahrenheit, Kelvin, and Rankine thermal indicators.
Paper size ↔ finished model size — origami scaling
Determine required starting paper square dimensions to fold specific final 3D origami model sizes.
Roman Numeral Converter
Convert between classical Roman numerals (XIV, MCMLXX) and decimal integers dynamically.
Alcohol by Volume & Proof Converter
Convert between alcohol by volume (ABV), proof, and standard alcohol units for drinks and home brewing.
Tablet Splitting & Cost Calculator
Calculate tablet splitting doses, available whole/half combinations, cost savings, and review critical pill splitting safety guidelines.
Forge temperature — color ↔ degrees Celsius — black to white heat
Reference forging heat ranges with equivalent temperature degrees and workability levels.
Becquerel ↔ curie (Activity)
Convert between Becquerels (Bq), Curies (Ci), rutherfords, and decay rates to evaluate isotope source strengths and nuclear decay events.
Industrial & Tire Pressure Gauges
Convert heavy industrial or automotive pressure indicators across PSI, bar, kPa, and atm indexes.
Base64 Encoder
Encode textual strings to Base64 format, or decode Base64 back to raw text.
Fiscal Year ↔ Calendar Year Mapping
Map calendar months and dates to custom corporate Fiscal Years (FY) and quarters (Q1–Q4) with customizable fiscal start months.
Horse Height (Hands ↔ cm ↔ inches)
Convert equestrian height from traditional hands (hh, where 1 hand = 4 inches) to centimeters and inches, with pony/horse classification.
Fuel Efficiency Converter
Convert between miles per gallon (mpg), liters per 100km (L/105km), and km/liter conversions.
Foreign Exchange Cross Rates
Compare conversion values and custom exchange indicators across popular global currencies.
SHA & MD5 Hash Generator
Formulate SHA-1, SHA-256, and MD5 secure cryptographic checksum hashes in real-time right inside your sandbox.
Color rod weight ↔ color intensity in clear glass
Calculate required color rod weights to achieve target color intensity saturation levels in clear glass gathers.