All calculators

Every tool runs instantly in your browser — nothing is uploaded, nothing to install.

• 3D Printing

  Filament Cost Calculator

  Calculate the exact filament cost of a 3D print from spool price, print weight and waste. Free, instant, supports g/kg/oz and multiple currencies.

• Resin

  Resin Cost Calculator

  Work out how much resin a print really costs, including failed prints and consumables like IPA and gloves. Free resin print cost calculator.

• 3D Printing

  3D Print Electricity Cost

  Estimate the electricity cost of a 3D print with built-in residential kWh rates for the US, UK, Germany, Japan, Australia, Canada and France.

• 3D Printing

  Filament Weight Estimator

  Estimate how many grams and meters of filament a print uses from its print time and average flow rate, for PLA, PETG, ABS, TPU and ASA.

• Selling Fees

  Etsy Fee Calculator

  Calculate your real Etsy fees and take-home profit with 2026 rates: $0.20 listing, 6.5% transaction, payment processing and Offsite Ads.

• Pricing & Profit

  Handmade Pricing Calculator

  Turn materials, hours and a target profit margin into a fair selling price for handmade items, with wholesale and retail reference prices.

• Pricing & Profit

  Break-Even Calculator

  Find out how many items you must sell to cover your fixed costs. Simple break-even point calculator for makers, crafters and small shops.

• Pricing & Profit

  Wholesale to Retail Markup

  Convert a wholesale price into a retail price with any markup percentage, and see profit per unit and gross margin instantly.

• Pricing & Profit

  Craft Fair ROI Calculator

  Check whether a craft fair is worth it: booth fee, materials and your hours vs. expected sales, break-even units and effective hourly rate.

• Selling Fees

  Amazon Handmade Fee Calculator

  Calculate the Amazon Handmade 15% referral fee (with $1 minimum) and your net proceeds per sale, and compare it against Etsy fees.