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How many loads in a 1.5L box of Sensitive Laundry Liquid?Updated 3 hours ago

TL;DR: A 1.5L box of Sensitive Laundry Liquid provides around 60 regular washes or 40 large loads. Dose 6 pumps (24ml) for a regular wash, or 10 pumps (40ml) for large or heavily soiled loads. Use a Laundry Pump or Laundry Dosing Cup for accurate measurement.


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Koh Sensitive Laundry Liquid USPs
Koh Sensitive Laundry Liquid before and after

How many loads in a 1.5L box?

A 1.5L box of Koh Sensitive Laundry Liquid provides approximately 60 regular washes or around 40 large loads. The exact number varies depending on machine size, soil level, water hardness, and personal preference. Dosing is 24ml (about 6 pumps with the Koh Laundry Pump) for a regular wash, or 40ml (about 10 pumps) for large or heavily soiled loads. The math is straightforward: 1500ml ÷ 24ml per regular wash = roughly 60 washes, or 1500ml ÷ 40ml per large load = roughly 40 large loads. For an average household washing 3 to 4 loads per week, a 1.5L box typically lasts 3 to 4 months.

✓ Load count

A 1.5L box gives around 60 regular washes or 40 large loads. For an average household, that's 3 to 4 months of washing. Actual count varies with machine size, soil level, and water hardness.

~60 regular washes ~40 large loads 3 to 4 months

✓ How much per wash

For a regular wash, use 24ml (about 6 pumps with the Laundry Pump). For large or heavily soiled loads, use 40ml (about 10 pumps). Adjust based on load size and soil level. Less than this can leave clothes under-cleaned. More than this just wastes product without cleaning better.

6 pumps regular 10 pumps large 24ml or 40ml

How do I dose with the Laundry Dosing Cup?

The Koh Laundry Dosing Cup is a heat-proof silicone measuring cup designed for Sensitive Laundry Liquid. To dose: dispense from the box directly into the cup using the recommended amounts (24ml for regular, 40ml for large or heavily soiled), then pour into your washing machine's detergent drawer or directly into the drum. The cup is safe to drop in the wash to clean itself between uses, and the heat-proof silicone means it's safe if it accidentally ends up in the dryer. The cup is a good option for anyone who prefers manual measurement over a pump dispenser, or who keeps the box stored away from the laundry area.

Koh Laundry Dosing Cup

✓ Manual measurement

Dispense from the box into Laundry Dosing Cup (24ml or 40ml mark), then pour into your machine's drawer or drum. The cup is heat-proof silicone, so it's safe to drop in the wash to clean itself, and safe if it accidentally ends up in the dryer.


Can I use a pump instead?

Yes. The Koh Laundry Pump fits the 1.5L box of Sensitive Laundry Liquid and dispenses a measured 4ml dose per pump. Use 6 pumps for a regular wash (24ml) or 10 pumps for a large or heavily soiled load (40ml). The pump is the easiest option for households with a dedicated laundry setup because there's no box-tipping, no drips, and no measuring cup to wash. The pump fits directly onto the 1.5L Sensitive Laundry Liquid box. Note: the Laundry Pump is sold separately or as part of the Sensitive Laundry Starter Kit.

Koh Laundry Pump in pink

✓ One-pump dosing

Laundry Pump fits the 1.5L box and dispenses 4ml per pump. 6 pumps for regular, 10 pumps for large. No box-tipping, no drips, no measuring cup to wash. The easiest option for a dedicated laundry setup.


Koh Sensitive Laundry Liquid bag-in-box

Sensitive Laundry Liquid

Around 60 washes per box. Sensitive Choice approved, Dermatest tested. Septic and grey water safe. Made in Victoria, Australia.

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Last reviewed: May 2026


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