Alcohol by Volume & Proof Converter
Convert alcohol by volume (ABV), proof scales, and standard units with fluid density.
Explore Additional Utilities
Body Mass Index (BMI) & Waist
Calculate Body Mass Index (BMI) and Waist-to-Height ratios to assess body composition.
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.
Shrink Wrap Roll Coverage
Determine how many pallets can be wrapped with a single shrink wrap roll based on roll dimensions, gauge, and layers.
Column Grid Sizer
Calculate layouts, column widths, gutters, and page grids in picas, mm, or inches.
Sugar Syrup Ratio Calculator
Calculate water and sugar ratios for simple, rich, and Demerara syrups by volume and weight.
Rock density ↔ tonnage — volume to weight for blasting
Determine solid rock and broken loose rock tonnage from volume based on rock type densities, useful for blasting and haulage design.
Radioactive Decay Half-Life
Estimate remaining isotope amounts and decay timelines from standard half-life periods.
Sample size calculator — confidence level ↔ margin of error
Determine required sample sizes for research surveys or experiments based on population size, confidence levels, and target margin of error.
Void Fill Material Volume
Calculate empty space volume inside a shipping box after placing items to determine packaging material needed.
Entropy bits ↔ password strength — character set + length
Calculate Shannon entropy bits based on character pool variety and length. Estimate brute-force resistance across various threat models.
Carton CBM ↔ Container Capacity
Convert carton dimensions to Cubic Meters (CBM) and calculate carton capacity for 20ft and 40ft shipping containers.
Currency Converter
Convert global currencies using simulated or fetched live rates (USD, EUR, GBP, JPY, etc.).
Cheese Yield & Rind Calculator
Estimate the edible cheese yield and rind weight waste for whole wheels and wedges of various cheese types.
IBU ↔ bitterness ratio — hop bitterness vs malt sweetness
Calculate the BU:GU bitterness ratio by comparing hop Bitterness (IBU) against malt sweetness (Gravity Units).
Thermal expansion coefficient — glaze fit calculation
Predict glaze-on-clay crazing or shivering by matching thermal expansion coefficients (COE).
Paper Size Comparer
Convert standard paper formats (A4, Letter, Legal, A3) in mm/inches and visually compare overlap.
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Likert scale ↔ numerical score
Convert Likert scale responses (e.g., 3-point, 5-point, 7-point, 10-point) into standardized numerical indices for survey research analytics.
Dimensional Weight ↔ Chargeable Weight
Calculate shipping dimensional weight based on L x W x H using standard carrier factors, and determine final chargeable weight.
Heat flux — watts per square meter ↔ BTU/hr·ft²
Convert heat transfer rates per unit area between W/m², kW/m², BTU/hr·ft², and cal/s·cm².