Epoxy Resin Calculator & Ratio
River Table, Floor & Mold Pour
Know exactly how much epoxy to mix before you open the kit: river tables, garage floors, countertops, molds and coasters.
Epoxy resin calculator for river tables, floors, countertops, molds and coasters. Enter the dimensions and get the exact amount of resin and hardener to mix.
What it does
- River table (from narrowest and widest gap), rectangle, circle and flood coat
- Floor & countertop mode: area in ft² or m² × coat thickness
- Waste allowance (10% by default)
- Results in ml, litres, US fl oz and US gallons
- Mix ratios by volume: 1:1, 2:1, 3:1
- Inches, centimetres or millimetres
- Live drawing of your pour; dark mode and Dynamic Type
Free
- Every shape including floor & countertop
- All units
- Volume ratios 1:1, 2:1 and 3:1
PRO (one-time purchase, no subscription, no ads)
- Mix by weight (for example 100:45) with an adjustable density
- Custom ratios from your resin's datasheet
- Cost of the pour from kit price and size, and kits needed
- Pour planner: max depth per layer gives the number of layers and volume per layer
- Saved projects
Pro is a single in-app purchase with Family Sharing.
Always follow your resin manufacturer's instructions for ratio, pour depth and cure time.
Support
Restoring Pro: open Settings in the app and tap Restore Purchases, signed in with the Apple ID you bought it with. Pro is shared with your family through Family Sharing.
Your data: everything stays on your iPhone. The app has no account and makes no network requests, so there is nothing to sync or delete on a server.
Questions, bugs or ideas: write to boris.stiner@gmail.com. Please mention the app name and your iOS version.
Privacy
This app collects no data. No account, no tracking, no ads, works offline. Read the privacy policy.