Salinity & ConductivityAquaculture Tech
Convert salinity values between ppt, Specific Gravity (SG), and Electrical Conductivity (mS/cm). Learn about species target zones.
Aquatic ecosystems are dynamic biological buffers. Physical parameters like dissolved oxygen levels must be cross-checked with biological and chemical filtration limits to maintain optimum fish welfare.
Explore Additional Utilities
Body Surface Area (BSA) Calculator
Calculate body surface area (BSA) for clinical dosing using Mosteller, DuBois, Haycock, and Gehan-George formulas.
Chisel bevel angle — degrees ↔ sharpening guide setting
Calculate chisel bevel angles and determine the exact projection distance needed for hone sharpening guides.
Kiln temperature — cone number ↔ degrees Celsius
Map pyrometric Orton cones to exact kiln temperature equivalents at fast or slow heating rates.
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Industrial & Tire Pressure Gauges
Convert heavy industrial or automotive pressure indicators across PSI, bar, kPa, and atm indexes.
Fabric Width Yardage Converter
Convert fabric yardage requirements between different standard widths like 44 inches and 60 inches.
Retention aid — filler % ↔ chemical dosage
Determine required dry retention aid chemical dosage and mineral filler weights based on dry pulp fiber mass.
Soil Compaction Ratio Calculator
Calculate and convert soil compaction ratio, loose volume, compacted volume, and shrink/swell factor for cut-and-fill operations.
Color Code Converter
Instantly convert between HEX, RGB, HSL, and CMYK color spaces with a visual real-time preview and slider inputs.
Shoe Size Converter
Convert footwear sizes across US, UK, Europe, and Japanese standards for men and women.
GPS Format Converter
Convert global latitude and longitude between Decimal Degrees (DD) and Degrees Minutes Seconds (DMS).
IV Drip Rate (Drops/min ↔ mL/hour)
Convert IV flow rates between mL/hour and drops/minute (gtt/min) for any drop factor, with real-time dripping rate animation.
Soil Plasticity Index Calculator
Calculate Plasticity Index (PI) from Liquid Limit (LL) and Plastic Limit (PL), and interpret soil state using the Atterberg limits chart.
Tidal current ↔ drift
Calculate course to steer and speed over ground (or set and drift) to compensate for tidal current and wind leeway.
Water resistance — ATM ↔ bar ↔ meters depth rating
Convert water pressure tolerances across ATM, Bar, and depth meters. Understand safe real-world water sport activities.
Tablet Splitting & Cost Calculator
Calculate tablet splitting doses, available whole/half combinations, cost savings, and review critical pill splitting safety guidelines.
Responsive Font Units Converter
Compute points, pixels, em, rem web font guidelines, and equivalent font sizes.
Signal travel time — distance in AU ↔ minutes of delay
Calculate electromagnetic signal delay durations over Astronomical Units (AU).
Pediatric Dosing Calculator
Estimate pediatric dosages from adult recommendations using standard pediatric clinical rules: Clark's, Young's, Webster's, Fried's, and BSA methods.
Unix Epoch Converter
Convert Unix epochs (seconds/milliseconds) to human-eye standard DateTimes, and transform local dates to Epoch times.