Coordinates to UTM/MGRS
Convert standard Latitude & Longitude decimal coordinates to UTM and military grid reference (MGRS) systems.
Explore Additional Utilities
Lye calculator — oil weight ↔ NaOH ↔ KOH amount
Determine exact NaOH and KOH weights required for cold and hot-process soap formulation batches.
Weld throat thickness ↔ leg length — fillet weld geometry
Convert between throat thickness and leg length for fillet welds. Estimate joint volume, weld weight, and shear load capacity.
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.
GPS Format Converter
Convert global latitude and longitude between Decimal Degrees (DD) and Degrees Minutes Seconds (DMS).
Fuel Efficiency Converter
Convert between miles per gallon (mpg), liters per 100km (L/105km), and km/liter conversions.
Chart Scale Converter
Convert map dimensions in millimeters to real-world marine navigation distances or vice versa based on nautical chart scale.
Egg Size Converter
Convert egg counts and liquid weights across standard small, medium, large, and extra-large eggs.
Duration Converter
Convert time intervals seamlessly between weeks, days, hours, minutes, and seconds.
Gelatin & Agar Agar Converter
Convert between gelatin sheets (platinum, gold, silver, bronze), powdered gelatin, and vegan agar agar.
Pregnancy Due Date & Milestones
Calculate estimated due date (EDD), gestational age, fetal development sizes, and trimester milestones.
High-Altitude Baking Adjustments
Adjust bread/pastry structures for high altitude low atmospheric pressure.
URL Slug Generator
Generate clean, hyphenated, SEO-friendly slugs from any string with custom separators.
Seed Sowing Rate Estimator
Calculate seed sowing rates based on target populations, thousand-kernel weight (TKW), and field survival ratios.
Binding margin — page count ↔ spine width
Calculate book spine widths and safety margins based on total page count, binding method, and paper caliper thickness.
Concrete strength — MPa ↔ psi ↔ N/mm²
Convert concrete compressive strength between MPa, psi, and N/mm². View typical application guidelines and concrete classes.
Nutritional Energy (kcal ↔ kJ)
Convert food nutritional calories and physical kilojoules standard label indexes.
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.
Chemical Solutions Concentration
Convert chemical solutions concentration (Molarity ↔ Molality ↔ PPM) and analyze mass ratios.
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.
Stocking density — fish size ↔ liters per kg
Calculate stocking density (kg/m³ or L/kg), total biomass, and maximum safe fish count based on tank volume and average fish weight.