Copy and paste the HTML below to add the Gemstone Appraisal Impact Calculator to your website.
Determine the approximate carat weight of a faceted gemstone based on its dimensions, specific gravity, and a shape factor.
Get a rough price estimate for custom rings, necklaces, or bracelets. Enter metal weight, gemstone cost, and design complexity to budget your project.
Quickly calculate the score you need on your final exam to achieve your desired overall grade. Enter your current grade, final exam weight, and desired grade.
Find your overall class grade by entering scores and their percentage weights. Useful for students tracking progress throughout a semester.
Estimate night sky quality for astronomy by combining local darkness, distance from cities, and atmospheric clarity.
Analyze your personal color palette, discover harmonious color combinations, plan seasonal outfits, and calculate cost-per-wear for sustainable fashion decisions.