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Tie Dye Calculator — Dye, Soda Ash & Water

Project Details

Supply List

Dye Powder per Color
2.00 tbsp
Total Colors
3
Soda Ash
1 cups
Water Needed
1 gallons
Total Fabric Weight
0.38 lbs
Squeeze Bottles
4

Dye Breakdown

Dye per Color (tbsp)2.0
Soda Ash (oz)1.0
Water (oz)1.0
Squeeze Bottles4.0

Dye Ratio Reference

Dye TypeRatioNotes
Fiber Reactive1 tbsp per ozRequires soda ash fixative
All-Purpose1/2 cup per lbNo fixative needed
Natural Dye100% WOGWeight of goods ratio

Tie-Dye Tips

  • •Pre-wash all garments to remove sizing and ensure even dye absorption
  • •Soak fabric in soda ash solution for 20 minutes before dyeing with fiber reactive dyes
  • •Let dyed items cure in plastic bags for 6-24 hours for best color intensity
  • •Rinse in cold water first, then gradually increase temperature until water runs clear
  • •Use 100% cotton or natural fiber garments for best results with fiber reactive dyes
  • •Wear gloves and work in a well-ventilated area when handling dye powders

Example Calculations

1Basic T-Shirt Tie-Dye

Inputs

ItemMedium t-shirt (6 oz)
Colors3
Dye typeFiber reactive
TechniqueSpiral

Result

Dye Per Color2 tbsp

2 tbsp dye powder per color, 1 cup soda ash, 1 gallon water, 4 squeeze bottles.

2Ice Dye Hoodie

Inputs

ItemLarge hoodie (18 oz)
Colors4
Dye typeFiber reactive
TechniqueIce dye

Result

Dye Per Color6.75 tbsp (1.5x modifier)

6.75 tbsp dye powder per color (1.5x modifier for ice dye), 2 cups soda ash, 2 gallons water, 5 squeeze bottles.

3Multiple Items with All-Purpose Dye

Inputs

Items5 medium t-shirts (30 oz total)
Colors2
Dye typeAll-purpose
TechniqueCrumple

Result

Dye Per Color0.47 cups

0.47 cups dye per color, 0 cups soda ash (not needed for all-purpose), 2 gallons water, 3 squeeze bottles.

Frequently Asked Questions

Q

How much dye powder do I need for tie-dye?

For fiber reactive dyes like Procion MX, use 1 tablespoon of dye powder per ounce of fabric per color. For all-purpose dyes like Rit, use 1/2 cup per pound of fabric. Natural dyes typically require 100% weight of goods (equal weight of dye material to fabric).

Q

What is the proper dye to fabric ratio for tie-dye?

The most common ratio for fiber reactive tie-dye is 1 tablespoon of dye powder per ounce of dry fabric weight. This ratio produces vibrant, saturated colors. For lighter shades, you can reduce the amount by half. Always weigh your fabric dry before dyeing.

Q

How much soda ash do I need for tie-dye?

Use 1 cup of soda ash per gallon of water for your pre-soak solution. For most projects, estimate about 1 gallon of water per pound of fabric, so you'll need roughly 1 cup of soda ash per pound of fabric being dyed.

Q

Do I need soda ash for all tie-dye projects?

Soda ash is required when using fiber reactive dyes (like Procion MX) to raise the pH and help the dye bond permanently to natural fibers. All-purpose dyes and natural dyes typically don't require soda ash, as they use different fixation methods.

Q

How much water do I need for tie-dyeing?

Plan for approximately 1 gallon of water per pound of fabric for the soda ash pre-soak and rinsing. Ice dye techniques use less water initially, while natural dyeing may require 2 gallons per pound for the dye bath.

Q

How does tie-dye technique affect dye amounts?

Different techniques use varying amounts of dye. Ice dye typically requires 1.5x more dye powder because ice dilutes the color. Dip dye uses about half as much since you're only dyeing part of the fabric. Standard techniques like spiral, crumple, and shibori use the base ratio of 1 tbsp per ounce.

See Also

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  • Paint Pouring Calculator

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  • Canvas Calculator

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Last Updated: Feb 13, 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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