Marine Fuel Consumption Estimator
Estimate marine engine fuel consumption in liters per hour at given RPM values using theoretical propeller law curves.
Efficiency Advisory:
Explore Additional Utilities
EC ↔ ppm ↔ TDS — nutrient solution strength
Convert liquid nutrient electrical conductivity (EC) to parts per million (PPM) under Truncheon, 500 (TDS), or 700 (Hanna) scales.
Semaphore flag positions ↔ letters
Map letters to naval Semaphore flag clock angles and visualize the exact left/right arm positions interactively.
Specific heat capacity — J/kg·K ↔ BTU/lb·°F
Convert between specific heat capacity units including J/kg·K, kJ/kg·°C, BTU/lb·°F, and cal/g·°C.
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.
Cooking Unit Converter
Convert kitchen recipe volume structures: cups, milliliters, tablespoons, teaspoons, and fluid ounces.
GPS Format Converter
Convert global latitude and longitude between Decimal Degrees (DD) and Degrees Minutes Seconds (DMS).
pH Acid/Base Index
Evaluate hydrogen ion concentrations and check acidic or alkaline levels using pH logarithmic scales.
QR Code Generator
Instantly render plain text streams or URLs into scalable vector QR patterns complete with sizing triggers.
Hardness converter — Rockwell ↔ Brinell ↔ Vickers
Convert between Rockwell C, Rockwell B, Brinell, and Vickers scales with approximate tensile strengths for steel materials.
Latency ↔ distance — speed of light in fiber
Calculate propagation delay and round-trip time (RTT) for signals traversing fiber optic, copper, air, or vacuum.
Weight Converter
Convert between kilogram, gram, pound, ounce, stone, and other mass units.
CPU clock cycles ↔ instructions per second
Translate CPU frequencies, core counts, and performance CPI/IPC values into Millions of Instructions Per Second (MIPS).
Flesch-Kincaid Reading Level
Calculate readability scores and Flesch-Kincaid school grade levels for any input text in real-time.
Network Bandwidth Rates
Compare network bandwidth speed rates across Mbps, Megabytes, and hourly rates.
Block count — wall area ↔ number of blocks needed
Calculate standard concrete masonry units (CMU) or clay bricks required for a wall, adjusting for joint widths and waste factors.
Morse Code Translator
Translate standard text to Morse code signals (dots and dashes) and decode them in real-time.
Tire size decoder — 205/55R16 ↔ diameter ↔ width ↔ aspect
Decode metric tire specs to calculate sidewall height, total diameter, circumference, and compare speedometer error against a secondary size.
Yeast pitch rate — batch volume + gravity → grams of yeast
Determine required yeast cell counts and dry yeast weight based on batch volume, wort gravity, and target pitch rates.
Planck units ↔ SI units — fundamental physics constants
Translate between SI physical units and the fundamental Planck natural units based on universal constants.
Color Code Converter
Instantly convert between HEX, RGB, HSL, and CMYK color spaces with a visual real-time preview and slider inputs.