Hobby & Maker Calculators
5 tools
For people who make and grow things at home. Work out what a 3D print really costs in filament and power, check guitar string tension before you tune up, get a starting point for resin exposure times, measure how much epoxy a pour needs, or find how much potting soil fills your planters. Printers, resins, strings and soils differ a lot, so use the numbers as a first guess and adjust after a test.
Tools in this category
3D Print Cost Calculator
Work out the real cost of a 3D printed part: filament, electricity, machine wear, prep labor, failure risk and your markupEpoxy Resin Calculator: How Much Resin Do You Need?
Work out how much epoxy resin to mix for a mold, tray or table top, with extra, A:B ratio, ounces and layers. Runs in your browser.Guitar String Tension Calculator
Calculate instrument string tension based on scale length, gauge, tuning, and material using Mersenne's physics equationPlant Pot Volume & Potting Soil Calculator
Find how much potting soil a round, tapered or rectangular pot needs, minus the drainage layer, in liters, gallons, quarts and cubic feetResin Exposure Time Calculator
Calculate normal and bottom layer exposure time for resin 3D printing from your resin's Dp and Ec, light intensity and layer height, with a live working curve