About These Calculators
Precision calculators for crafters. Whether you're pouring epoxy resin, making candles, or mixing soap, these tools help you get your ratios and quantities right.
Craft Calculators
4 toolsEpoxy Resin Calculator
Calculate epoxy resin volume for river tables, molds, and coatings
Candle Wax Calculator
Calculate exact wax, fragrance oil, and dye for your candles
Candle Fragrance Load Calculator
Calculate fragrance oil amount by wax weight and percentage
Soap Lye Calculator
Calculate lye and water for cold process soap making
Frequently Asked Questions
Are these craft calculators free?
Yes, all 4 calculators are completely free with no signup required. They run entirely in your browser — no data is sent to any server.
How accurate are these calculators?
Our calculators use industry-standard formulas and are regularly updated. However, they provide estimates — always verify critical calculations with a professional in the relevant field.
Can I use these calculators on my phone?
Yes, all calculators are mobile-responsive and work on any device with a web browser. No app download needed.
Do you save my calculations?
No. All calculations happen in your browser. We don't store any of your inputs or results. Your data stays on your device.
Can I embed these calculators on my website?
Select calculators offer embed codes that you can copy and paste into your website or blog. Look for the "Embed This Calculator" section on individual tool pages.