Cheapest Dishwasher Tablets in the UK

Prices updated 15 August 2026 · 232 products across 7 supermarkets

The best-value dishwasher tablets in the UK right now is ASDA Ultimate All in 1 Citrus Dishwasher Tablets 40 x 12.5g (500g) at Asda — £0.01/each (£5.00).

232Products Compared

7Supermarkets

£0.01Lowest /Each

We compare dishwasher tablets across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where dishwasher tablets is genuinely cheapest. Prices update daily.

#	Product	Store	Price	Per Unit
1	ASDA Ultimate All in 1 Citrus Dishwasher Tablets 40 x 12.5g (500g)	Asda	£5.00	£0.01/each
2	ASDA Ultimate All in 1 Original Dishwasher Tablets 40 x 12.5g (500g)	Asda	£5.00	£0.01/each
3	Finish Lemon Dishwasher Rinse Aid 80 Washes 400ml Nectar £4.25	Sainsbury's	£4.25	£0.05/each
4	Finish Regular Dishwasher Rinse Aid 80 Washes 400ml Nectar £4.25	Sainsbury's	£4.25	£0.05/each
5	Finish 2 in 1 Lemon & Lime Dishwasher Freshener up to 60 Washes	Morrisons	£3.00	£0.05/each
6	House 24/7 Dishwasher Tabs x30	Sainsbury's	£1.80	£0.06/each
7	Sainsbury's All In One Dishwasher Tablets, Lemon x60	Sainsbury's	£5.00	£0.08/each
8	Sainsbury's All In One Dishwasher Tablets, Lemon x30	Sainsbury's	£2.75	£0.09/each
9	Waitrose 45 All in One Dishwasher Tablets	Waitrose	£4.25	£0.09/each
10	Waitrose 45 All in One Dish Tablets Lemon	Waitrose	£4.25	£0.09/each
11	ASDA All in 1 Citrus Dishwasher Tablets 40 x 14g (560g)	Asda	£3.50	£0.09/each
12	Tesco All-in-One Dishwasher Tablets - Lemon 40 Pack 680g	Tesco	£3.70	£0.09/each
13	ASDA All in 1 Original Dishwasher Tablets 40 x 14g (560g)	Asda	£3.50	£0.09/each
14	Morrisons All In One Lemon Dishwasher Tablets 40 Pack	Morrisons	£3.70	£0.09/each
15	Astonish All in 1 Dishwasher Tablets Lemon Fresh 42 per pack	Morrisons	£3.75	£0.09/each
16	Morrisons All In One Original Dishwasher Tablets 40 per pack	Morrisons	£3.70	£0.09/each
17	Waitrose Optimum All in One Fresh Lemon Dishwashing Capsules	Waitrose	£5.00	£0.11/each
18	Astonish All in 1 Dishwasher Tablets Lemon Fresh 100 per pack	Morrisons	£11.00	£0.11/each
19	Finish Power All In One Regular Dishwasher Tablets - 110 Tabs	Asda	£12.00	£0.11/each
20	M&S Dishwasher Tablets 30 per pack	M&S	£3.50	£0.12/each
21	Sainsbury's Advanced Dishwasher Ultimate Lemon 50 Washes 625...	Sainsbury's	£6.35	£0.13/each
22	Fairy Original Power Dishwasher Tablets, Lemon, 116 Capsules	Asda	£15.17	£0.13/each
23	Tesco Ultra Dishwasher Capsules - Lemon 40 Pack 500g	Tesco	£5.10	£0.13/each
24	Morrisons Ultimate All In One Dishwasher Tablets Lemon 40 Pack	Morrisons	£5.10	£0.13/each

See The Live Dishwasher Tablets Comparison →

Cheapest Dishwasher Tablets: FAQ

Where is the cheapest dishwasher tablets in the UK?

Right now the best value dishwasher tablets is ASDA Ultimate All in 1 Citrus Dishwasher Tablets 40 x 12.5g (500g) at Asda, £5.00 (£0.01/each). SmartShelf ranks dishwasher tablets by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for dishwasher tablets?

We compare dishwasher tablets across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S. Today Asda has the cheapest option, but the ranking updates every day as prices change.

How does SmartShelf compare dishwasher tablets prices?

We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available — free, with no sign-up.