Explore Additional Utilities

Displacement tonnage ↔ cubic meters — ship buoyancy

Convert ship displacement tonnage to submerged volume (m³) and buoyancy force. Choose between freshwater and saltwater standards.

marine-engineering

Coordinates to UTM/MGRS

Convert standard Latitude & Longitude decimal coordinates to UTM and military grid reference (MGRS) systems.

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NPK Fertilizer Blend Designer

Calculate exact commercial fertilizer weights (Nitrogen, Phosphate, Potash) required to hit crop nutrient targets.

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CMYK ↔ Pantone Matcher

Approximate CMYK values to the closest solid Pantone matching system (PMS) color swatch.

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Fuel burn rate — engine HP ↔ liters per hour

Calculate marine engine fuel consumption (liters/hr or gal/hr) using Brake Specific Fuel Consumption (BSFC) or standard marine power constants.

marine-engineering

Tidal Rule of Twelfths Calculator

Estimate hourly tide heights and flow volumes between high and low tide periods using the standard maritime rule.

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Flight Altitude Calibrator

Convert cruise altitudes between feet, meters, and flight levels, and estimate standard air temperature and oxygen rules.

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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.

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Recycling Weight & Resource Savings Calculator

Convert quantities of recycled materials (plastic, glass, paper, aluminum) into greenhouse gases, water, and landfill space saved.

environment

Paint Coverage Calculator

Estimate the gallons or liters of paint needed based on area and number of coats.

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Denim Weight Converter

Convert denim fabric weight between ounces per square yard (oz/yd²) and grams per square meter (gsm) with fabric weight classifications.

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Octave Band Converter

Calculate center frequencies, upper/lower band limits, and bandwidths for fractional octave bands (1/1, 1/3 octaves).

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Soil Bearing Capacity Converter

Convert soil bearing capacities between Kilopascals (kPa), Tons per Square Foot (tsf), Pounds per Square Foot (psf), and kg/cm² with typical soil range guides.

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Becquerel ↔ curie (Activity)

Convert between Becquerels (Bq), Curies (Ci), rutherfords, and decay rates to evaluate isotope source strengths and nuclear decay events.

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Thread Weight Converter

Convert between different thread sizing standards including Tex, Denier, and Number English (Ne).

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Viscosity Converter

Convert dynamic and kinematic viscosity between centipoise (cP), centistoke (cSt), Saybolt Universal Seconds (SSU), Pa·s, and m²/s.

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One Rep Max (1RM) Calculator

Estimate your single repetition maximum lifting capacity (1RM) using major clinical lifting models (Epley, Brzycki, Lander).

sports

Wind Turbine Power Generator

Estimate power output (watts) of a wind turbine based on wind speed, rotor diameter, blade sweep area, and aerodynamic power coefficients.

environment

Equatorial Coordinates Converter

Convert Right Ascension (RA) and Declination (Dec) to Hour Angle and Alt-Azimuth coordinates.

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Telescope Magnification Calculator

Calculate telescope magnification, exit pupil, and resolving limit from focal lengths and aperture.

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