Aviation Fuel Weight Calculator
Calculate volume-to-weight changes for standard aviation fuels (Jet A-1, Avgas) across metric and imperial systems.
1 = 1
Explore Additional Utilities
Morse code ↔ NATO phonetic — dual encoding
Convert raw text into international Morse Code (DITs and DAHs) and official NATO spelling phonetics synchronously.
Solar irradiance — W/m² ↔ peak sun hours
Convert solar irradiance (W/m²) and daylight duration to Peak Sun Hours (PSH) and estimate daily solar panel system output.
Sandpaper grit — CAMI ↔ FEPA ↔ micron rating
Convert and compare sandpaper abrasive grit sizing standards between CAMI, FEPA (P-grade), and average micron rating.
Canopy size — jumper weight ↔ wing loading
Calculate wing loading (lbs/sq ft) and find recommended parachute canopy sizes based on total jumper exit weight.
Chart Scale Converter
Convert map dimensions in millimeters to real-world marine navigation distances or vice versa based on nautical chart scale.
ND Filter Stops Converter
Convert ND filter labels (ND density, optical density, and stop reduction) and calculate long exposure shutter speed compensation.
Sign language handshape ↔ letter — fingerspelling reference
Deconstruct English words into ASL (American Sign Language) fingerspelling frames with custom thumb and palm configurations.
Shoe Size Converter
Convert footwear sizes across US, UK, Europe, and Japanese standards for men and women.
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.
Wind power density — wind speed ↔ watts per sq meter
Calculate available wind kinetic power density (W/m²) based on wind speed and localized air density characteristics.
Stage lighting — lux ↔ foot candles ↔ beam angle
Convert between Lux and Foot-candles, and compute beam diameter coverage footprint at specific throw distances.
Speech Rate (WPM ↔ Pages)
Calculate presentation speech times, audio length, and page count equivalents using custom words per minute (WPM).
No Claim Discount (NCD)
Track and project No Claim Discount percentages, claim-free year scales, and calculate potential premium savings with claim step-backs.
Weight Converter
Convert between kilogram, gram, pound, ounce, stone, and other mass units.
Numerical aperture ↔ acceptance angle — fiber coupling
Determine light coupling capabilities, supported modes, V-numbers, and acceptance cone widths for optical optical fibers.
Kiln temperature — cone number ↔ degrees Celsius
Map pyrometric Orton cones to exact kiln temperature equivalents at fast or slow heating rates.
Chlorophyll concentration ↔ water color index
Convert Chlorophyll-a bio-concentrations (mg/m³) to ocean water color classes, Forel-Ule index, and trophic status.
pH Acid/Base Index
Evaluate hydrogen ion concentrations and check acidic or alkaline levels using pH logarithmic scales.
Scientific Temperature Scale
Convert scientific scales between Celsius, Fahrenheit, Kelvin, and Rankine thermal indicators.
Spring rate — lb/in ↔ N/mm — suspension setup
Convert suspension coil spring stiffness between lb/in and N/mm. Estimate coil spring rates using wire diameter, coil diameter, and active counts.