Home & Electrical

Washing Machine Size Calculator: How Many kg Do I Need?

Free tool · Updated October 2, 2026 · By CouponTalk

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Quick answer

A washing machine's kg rating is the dry clothes it can wash in one load. Couples usually need 6 kg, families of 3–4 need 7 kg, and families of 5–6 need 8 kg. Go 1 kg higher if you wash blankets, curtains or heavy bedsheets at home or do laundry only once or twice a week.

How to use this calculator

  1. Count the people whose clothes you wash.
  2. Say whether you wash heavy items at home.
  3. Choose how often you do laundry.

Reference table

Washing machine capacity by family size (add 1 kg for blankets or weekly laundry)
Family sizeCapacity (dry load)
1–2 people6 kg
3 people6.5–7 kg
4 people7 kg
5 people7.5–8 kg
6 people8–9 kg
7+ people9–10 kg

These are typical figures for Indian homes. Check the product spec sheet, and ask an electrician or installer before you buy or fit anything.

Frequently asked questions

Is 7 kg washing machine enough for a family of 4?
Yes, 7 kg suits most families of four if you wash every day or two. Choose 8 kg if you wash weekly or wash blankets at home.
Front load or top load?
Front loaders wash more gently and use less water; top loaders are cheaper and faster. Both come in the same kg sizes.

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