Equestrian Advanced Calculators
Configure Parameters
Sized for average riding horses (15.0h - 16.0h).
If the horse is between standard sizes, it is generally recommended to size up for wider/heavier builds (such as draft crosses or warmbloods) and size down for narrow, light frames.
Explore Additional Utilities
Plying angle ↔ yarn strength — twist balance
Calculate optimal twist plying angles, yarn twist multipliers, and balance criteria to spin stable structured yarns.
Atomic mass units ↔ grams — mole calculations
Convert Atomic Mass Units (u / Da) to grams or kilograms, and compute molar quantities of chemical elements.
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.
Clothing Size Converter
Convert apparel sizes (XS to 3XL) across US, UK, European, and Asian standards.
Void Fill Material Volume
Calculate empty space volume inside a shipping box after placing items to determine packaging material needed.
Exposure Value (EV) & Lux Converter
Convert between EV and various shutter speed, aperture, and ISO combinations, with equivalent scene lux and EV100 references.
Halftone frequency — lpi ↔ dpi requirement
Calculate the necessary image resolution (DPI/PPI) for halftone printing line screens (LPI) and analyze grayscales.
Planck units ↔ SI units — fundamental physics constants
Translate between SI physical units and the fundamental Planck natural units based on universal constants.
Battery capacity — Ah ↔ Wh ↔ days of autonomy
Convert between Amp-hours (Ah) and Watt-hours (Wh) and calculate battery bank backup days of autonomy based on loads.
Color Code Converter
Instantly convert between HEX, RGB, HSL, and CMYK color spaces with a visual real-time preview and slider inputs.
Explosive charge weight — rock volume ↔ kg of explosive
Estimate required explosives (kg, lbs) for blasting a rock volume using powder factor models for open-pit mining.
Magnetic Declination
Estimate compass alignment values and offset angles between magnetic north and true north.
IBU ↔ bitterness ratio — hop bitterness vs malt sweetness
Calculate the BU:GU bitterness ratio by comparing hop Bitterness (IBU) against malt sweetness (Gravity Units).
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Drain slope — mm per meter ↔ inches per foot
Convert drainage slope units and calculate vertical height drops across horizontal sewage pipes run lengths.
Foreign Exchange Cross Rates
Compare conversion values and custom exchange indicators across popular global currencies.
Roof Pitch Calculator
Convert between roof pitch ratios, degrees, and percentages, and calculate rafter lengths.
Wave height ↔ wave period — sea state description
Assess Significant Wave Height, period, WMO sea states, wave wavelength, celerity speed, and steepness limits.
Barometric Altimeter Settings
Calibrate pressure settings between QNH and QFE based on airfield elevation and temperature.
CFM ↔ m³/hour — air flow for ventilation
Convert ventilation air flow rates and reference standard design volumes for common room types and equipment hoods.