All calculators

Laundry Dilution Calculator

Find the right amount for whitening, brightening, stain pre-treatment, and odor removal based on your washer size.

Your starting product concentration
Laundry use case
Washer drum size
Your Result
H₂O₂ to add per load—
How to apply—
See the tip above for best results.

Laundry Use Case Reference

Use caseTarget %Method
Whitening whites3%Add to drum or bleach dispenser
Brightening colors1.5%Add to rinse cycle
Stain pre-treatment3%Apply directly, wait 5–10 min
Odor removal3%Soak 30 min, then wash
Safety Notes
  • Always test on a hidden area of colored fabric first.
  • Do not use full-strength 35% directly on fabric — dilute first.
  • Do not mix with chlorine bleach in the same wash.
  • Keep away from eyes. Flush with water 15 min if contact occurs.
  • Higher concentrations may lighten some colored fabrics.
Shop the right product
35% H₂O₂ — 32 fl ozBest value for laundry use→ View all H₂O₂ productsAll sizes & concentrations→
Other calculators
Pool & Spa General Cleaning Plant & Garden Mold & Surface Outdoor & Odor

Not sure which product to buy?

Browse the full Nature's Freedom hydrogen peroxide collection — all concentrations, all sizes, made in the USA.

Shop All Hydrogen Peroxide 35% H₂O₂ — 32 fl oz