2K Paint Mix Ratio
The hardener and reducer to add and the total batch from a ratio like 4:1 or 4:1:1 and a measured base-paint volume.
Example
You enter
- Base / color volume (fl oz; mix ratios are by volume, not weight) 16
- Paint parts 4
- Hardener parts 1
- Reducer parts (0 = two-part) 1
You get
- Hardener 4.00 oz
- Total (oz) 24
- Total ml 709.8
Checked against published worked examples from: AutoRestorer (L. Lyles).
Details, formula, and sources
Scopein fluid ounces and milliliters. Ratios are by volume.
Formula or tableHardener = base x hardener parts / paint parts; reducer = base x reducer parts / paint parts; total = base + hardener + reducer; mL = oz x 29.5735295625.
Source and editionPaint manufacturer technical data sheet (mix ratio by volume; by name); 29.5735295625 mL per US fluid ounce.
Free accessMix ratios free on the product technical data sheet.
What governsEstimate. AHJ and licensed professional govern.
API field namespaint_volume_oz, part_paint, part_hardener, part_reducer, hardener_oz, total_oz, total_ml
- Induction and pot life ~10-30 min induction, ~1-4 hr pot life at 70 F (off the TDS, not computed)paint TDS