Diesel price tomorrow
The maximum price of diesel for tomorrow: the official tariff if published, otherwise an estimate with its measured error.
The official maximum price of diesel B7 for tomorrow, Sunday 1 November 2026, has already been published: €2.452 a litre, unchanged from today (€2.452). The FPS Economy sets this ceiling under the programme agreement between the Belgian State and the Energia federation, from international quotations that are paid for and not published: nobody can therefore recompute tomorrow’s official tariff in advance. What can be measured is the rhythm of changes. Over a year the diesel tariff changed on 68 days out of 364, most often on a Wednesday (16 times). Taking the last tariff as the estimate for the next day was off by 1.2 c a litre on average over 52 weeks and 1.2 c over the last 4, and was right to within a cent on 82 % of days. With tomorrow’s tariff unchanged, it makes no difference which day you fill up.
Official maximum price on 1 November 2026
€2.452/L
unchanged from the day before
| Difference on 50 litres | €0.00 |
| Status | official tariff published |
Maximum price set by the FPS Economy and released by Statbel: it applies for the whole day.
Checked by Radif Partners · Editorial policy · Method and sources
Official tariff or estimate: what the “tomorrow” card says
At the time of this update, tomorrow’s official tariff is out: the tool’s card shows it as published, with no estimate. A tariff published the day before is a fact: it applies all of the next day in every station in the country, which may sell below it but not above. The estimate is only a guide. The programme agreement, whose technical annex dates from 9 October 2006, ties the maximum price to international diesel quotations that this site cannot read. Rather than invent a quotation, the estimate takes the last published tariff and frames it with the moves actually seen on the same weekday.
Diesel’s rhythm, day by day
Diesel price changes do not land at random in the week. The table counts, for each day, how many times a new maximum price took effect on that day over the last 365 days, and in which direction.
| Day it takes effect | New tariffs | Rises | Cuts | Average move |
|---|---|---|---|---|
| Monday | 0 / 52 | 0 | 0 | – |
| Tuesday | 11 / 52 | 7 | 4 | 5.0 c |
| Wednesday | 16 / 52 | 10 | 6 | 6.2 c |
| Thursday | 12 / 52 | 9 | 3 | 6.8 c |
| Friday | 15 / 52 | 7 | 8 | 8.1 c |
| Saturday | 13 / 52 | 6 | 7 | 5.2 c |
| Sunday | 1 / 52 | 1 | 0 | 18.2 c |
Over the whole year diesel saw 40 rises and 28 cuts. On any given day the chance of a new tariff is therefore fairly low: 19 % of days on average. That is why an estimator as simple as “tomorrow like today” is only slightly off most of the time, and well off on the rare days when the price jumps.
For high-mileage drivers: choosing the day to fill up
With tomorrow’s tariff unchanged, it makes no difference which day you fill up. For a van or a fleet the difference multiplies by the number of fill-ups in the week; the tool works it out on the volume you enter. Today’s price, B10 and the trend over a year are on the diesel price page, and the same calculation for petrol on petrol price tomorrow.
Sources
Prices come from the daily series of the official tariff that Statbel publishes on be.STAT, under the open CC BY 4.0 licence. The rules of the programme agreement are summarised by the Social Heating Fund and the FPS Economy. How the estimate and its error are calculated is set out on the method page.