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Paint Pouring Calculator — Mix Ratios

Total Mix Volume

11 fl oz

Paint

5 fl oz

Medium

5 fl oz

258

Paint Pour Mix Requirements

Total Acrylic Paint
5 fl oz
Paint Per Color
1 fl oz
Pouring Medium
5 fl oz
Silicone Oil
8 drops
Total Mix Volume
11 fl oz
Canvas Area
320 sq in

Mix Breakdown

Acrylic Paint5.38 fl oz
Paint per Color1.34 fl oz
Pouring Medium5.38 fl oz
Total Mix Volume10.75 fl oz

Pouring Technique Reference

TechniqueRatioLevelBest For
Dirty Pour1:1BeginnerCells, organic patterns
Flip Cup1:1.5BeginnerDramatic reveals
Swipe1:1IntermediateControlled cells, lacing
Dutch Pour1:2IntermediateFlowing designs
Ring Pour1:1BeginnerConcentric rings
Puddle Pour1:1BeginnerLayered effects

Tips for Perfect Pours

Mix Thoroughly: Stir paint and medium together until completely smooth, but avoid creating bubbles.
Consistency Matters: Paint should flow like warm honey. Test by dripping from a stick.
Add Silicone Last: Mix silicone oil into each color just before pouring to create cells.
Level Your Surface: Use a level to ensure your canvas is perfectly flat.
Work Quickly: Once mixed, paint begins to dry. Complete your pour within 30 minutes.
Protect Your Work: Cover finished pours to keep dust off while drying. Allow 24-48 hours.

What You'll Need

21 Pack Stretched Canvases Multi-Size (3x5 to 12x16 + Round)

21 Pack Stretched Canvases Multi-Size (3x5 to 12x16 + Round)

$25-$354.5
View on Amazon
Artkey Acrylic Paint Set 24 Colors 2oz/59ml Professional

Artkey Acrylic Paint Set 24 Colors 2oz/59ml Professional

$25-$354.5
View on Amazon
Heavy Duty Canvas Stretching Pliers & Staple Remover Set

Heavy Duty Canvas Stretching Pliers & Staple Remover Set

$12-$184.5
View on Amazon
Mosaic Mercantile Glass Tiles Assorted 3lb

Mosaic Mercantile Glass Tiles Assorted 3lb

$18-$254.4
View on Amazon

Arteza Acrylic Pouring Paint Set 32 Colors 2oz

$40-$554.5
View on Amazon
LET'S RESIN Silicone Mold Making Kit 20oz

LET'S RESIN Silicone Mold Making Kit 20oz

$20-$284.4
View on Amazon
21 Pack Stretched Canvases Multi-Size (3x5 to 12x16 + Round)

21 Pack Stretched Canvases Multi-Size (3x5 to 12x16 + Round)

$25-$354.5
View on Amazon
Artkey Acrylic Paint Set 24 Colors 2oz/59ml Professional

Artkey Acrylic Paint Set 24 Colors 2oz/59ml Professional

$25-$354.5
View on Amazon
Heavy Duty Canvas Stretching Pliers & Staple Remover Set

Heavy Duty Canvas Stretching Pliers & Staple Remover Set

$12-$184.5
View on Amazon
Mosaic Mercantile Glass Tiles Assorted 3lb

Mosaic Mercantile Glass Tiles Assorted 3lb

$18-$254.4
View on Amazon

Arteza Acrylic Pouring Paint Set 32 Colors 2oz

$40-$554.5
View on Amazon
LET'S RESIN Silicone Mold Making Kit 20oz

LET'S RESIN Silicone Mold Making Kit 20oz

$20-$284.4
View on Amazon

As an Amazon Associate, we earn from qualifying purchases.

Example Calculations

116x20 Canvas Flip Cup

Inputs

Canvas size16 x 20 inches (320 sq in)
TechniqueFlip Cup (1:1.5 ratio)
Number of colors4
Depth1/16 inch (standard)

Result

Total Mix10.8 fl oz

Total paint needed: 4.3 fl oz (1.08 fl oz per color), Pouring medium: 6.5 fl oz, Silicone: 6 drops, Total mix: 10.8 fl oz.

224x36 Dutch Pour Landscape

Inputs

Canvas size24 x 36 inches (864 sq in)
TechniqueDutch Pour (1:2 ratio)
Number of colors5
Depth1/16 inch

Result

Total Mix29.0 fl oz

Total paint needed: 9.7 fl oz (1.9 fl oz per color), Pouring medium: 19.4 fl oz, Silicone: 15 drops, Total mix: 29.0 fl oz.

312-inch Round Dirty Pour

Inputs

Canvas shapeCircle (12-inch diameter)
TechniqueDirty Pour (1:1 ratio)
Number of colors6
Depth1/8 inch (thick coverage)

Result

Total Mix7.6 fl oz

Total paint needed: 3.8 fl oz (0.6 fl oz per color), Pouring medium: 3.8 fl oz, Silicone: 6 drops, Total mix: 7.6 fl oz.

Frequently Asked Questions

Q

How much paint do I need for acrylic pouring?

For standard coverage, you need approximately 0.028 fl oz of paint per square inch at 1/16" depth. A 16x20 inch canvas requires about 9-12 fl oz of total paint mixture (paint + medium) depending on the technique and desired overflow coverage.

  • A 16×20" canvas needs 9–12 fl oz total (paint + medium combined) including 20% overflow
  • A 24×36" canvas needs 25–30 fl oz — roughly 3× more than a 16×20" canvas
  • Round canvases use less paint: a 12" circle needs about 3.5–4.5 fl oz total
  • Double the depth factor (0.056 for 1/8") if you want thick, textured coverage with prominent cells
  • Buy 15–20% more paint than calculated to account for cups, sticks, and mixing container waste
Q

What is the best paint to medium ratio for acrylic pouring?

The ideal ratio depends on your technique: Dirty Pour and Swipe use 1:1, Flip Cup uses 1:1.5, and Dutch Pour uses 1:2 (thinner consistency). Ring Pour and Puddle Pour typically use 1:1. Start with these ratios and adjust based on your paint brand and desired consistency.

  • Thicker ratios (1:1) keep colors separated and form defined cells; thinner ratios (1:2) blend more
  • Floetrol ($8–12/quart) is the most popular budget pouring medium — mix 1:1 for most techniques
  • Liquitex Pouring Medium ($15–20/quart) gives the glossiest finish and best cell formation
  • Test your consistency: lift a stir stick 2" above the cup — paint should flow in a smooth ribbon for 2–3 seconds
  • Adjust ratios by paint brand: craft paint (thinner) needs less medium than heavy-body artist paint
TechniquePaint:Medium RatioConsistencyCell Formation
Dirty Pour1:1ThickLarge, dramatic
Flip Cup1:1.5MediumMedium, varied
Dutch Pour1:2Thin/flowingMinimal
Ring Pour1:1ThickConcentric rings
Swipe1:1ThickExposed cells
Q

How many drops of silicone oil should I use?

Use 1-2 drops of silicone oil per fluid ounce of mixed paint. For a typical 16x20 canvas requiring 10 fl oz of paint, add 10-20 drops total. More silicone creates larger cells, less creates smaller cells. Add silicone last, just before pouring.

  • 1 drop per fl oz creates small, delicate cells; 2–3 drops per fl oz creates large, dramatic cells
  • Treadmill silicone oil (100% dimethicone) costs $5–10 and works identically to art-branded silicone
  • Stir silicone gently 2–3 times — over-mixing disperses it too evenly and prevents cell formation
  • Add silicone to only 1–2 colors (not all) for more controlled cell placement
  • Torch the surface lightly after pouring to pop tiny bubbles and activate larger cells
Q

What consistency should acrylic pour paint be?

Your paint mixture should flow like warm honey or melted ice cream. When lifted with a stirring stick, it should drip in a smooth, continuous stream without breaking into drops. Too thick and it won't flow; too thin and colors will muddy.

  • The ribbon test: paint should flow off a stick in a smooth 2–3 second ribbon, then disappear into the cup
  • If paint drips in blobs, add medium 1 teaspoon at a time until it flows smoothly
  • If paint is watery and runs off the canvas, add more paint or use less water/medium
  • Room temperature affects consistency — warm rooms (75–80°F) thin paint; cool rooms thicken it
  • Mix each color to the same consistency before combining — different viscosities cause one color to dominate
Q

Why do I need extra paint for overflow in pouring?

Paint needs to flow over the canvas edges to achieve full coverage and eliminate bare spots. The calculator adds 20% overflow to ensure paint reaches all edges and creates the signature drips on canvas sides that characterize fluid art.

  • The 20% overflow factor ensures paint covers all 4 edges plus the canvas sides (typically 3/4–1.5" deep)
  • Place your canvas on cups or push pins to elevate it 1–2" above your work surface for clean drips
  • Use a catch basin (baking sheet or plastic tray) under the canvas to collect overflow for reuse
  • Tilt the canvas slowly in all directions to guide paint to uncovered corners before it starts to set
  • Overflow paint can be collected and reused for future pours within 1–2 weeks if stored airtight
Q

Can I reuse leftover acrylic pour paint?

Yes, store mixed paint in airtight containers immediately after pouring. It typically lasts 1-2 weeks. Remix gently before using, and check consistency as some settling may occur. Don't add fresh silicone to old mixture; use within a week for best cell formation.

  • Store in airtight squeeze bottles or jars — press plastic wrap directly onto the paint surface to prevent skinning
  • Leftover paint lasts 1–2 weeks at room temperature; refrigeration extends life to 3–4 weeks
  • Stir gently before reuse — vigorous stirring introduces bubbles that ruin smooth pours
  • Mixed overflow paint ("puddle paint") creates unique colors — pour it onto small practice canvases
  • Do not add fresh silicone to old paint; the original silicone has already dispersed and weakened

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Last Updated: Mar 26, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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