Kite Surfing & Wind Sports
Kite Settings
Standard length. Perfect balance of jump height, power generation, and responsive steering.
Explore Additional Utilities
Carton CBM ↔ Container Capacity
Convert carton dimensions to Cubic Meters (CBM) and calculate carton capacity for 20ft and 40ft shipping containers.
Ore Grade & Concentration Converter
Convert mineral grade concentrations between grams per ton (g/t), weight percentage (%), troy ounces per ton (oz/st), and ppm.
ISO Week Number ↔ Calendar Date
Calculate ISO 8601 week numbers, week dates, and determine start/end weekdays of any given week year.
Planck units ↔ SI units — fundamental physics constants
Translate between SI physical units and the fundamental Planck natural units based on universal constants.
AWG Cable Sizer
Convert American Wire Gauge (AWG) sizes to metric dimensions, and estimate current carrying capacity.
Audio File Size & Sample Rate
Compute uncompressed audio files size based on sample rate, bit depth, and duration.
Batting average ↔ on base percentage — baseball stats
Convert batting average, walks, and plate appearances into On-Base Percentage (OBP).
Semitones & Pitch Intervals
Convert pitch ratios to semitones and cents, and calculate frequency intervals.
Roof Pitch Calculator
Convert between roof pitch ratios, degrees, and percentages, and calculate rafter lengths.
Beaufort Wind Force Scale
Convert wind speed units and classify storm conditions on the official Beaufort maritime wind power scale.
Certificate validity — days ↔ expiry date calculation
Convert between certificate lifetime in days, months, or years, and calculate exact UTC expiration times with leap year support.
Net metering — units exported ↔ bill credit estimate
Estimate utility bill credits, net energy offsets, and financial yields under 1:1 net metering or dual-rate net billing programs.
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).
Voltage Divider Designer
Calculate output voltage, resistor ratios, and locate standard E24 resistor values for divider networks.
Barometric Altimeter Settings
Calibrate pressure settings between QNH and QFE based on airfield elevation and temperature.
Reading & Speaking Timer
Convert total word counts to estimated reading or speaking time at standard speeds.
Batch recipe ↔ percentage recipe — glaze chemistry
Normalize raw ingredient batch weights to percentage formulations or scale a recipe to any total batch weight.
Roman Numeral Converter
Convert between classical Roman numerals (XIV, MCMLXX) and decimal integers dynamically.
BPM ↔ Milliseconds Calibrator
Convert beats per minute (BPM) to millisecond delay values and frequency hertz.
Wire feed speed ↔ amperage — MIG welding settings
Calculate MIG wire feed speed (WFS) and matching amperage. Includes gas recommendations and presets for steel, stainless, and aluminum.