Calculators
Calculate precisely — buy smarter
Practical tools for drivers, workshops and fleets. All calculations run instantly in your browser.
Oil change planner
Choose an oil, engine capacity and number of changes — we'll find the cheapest combination of packs.
Total
€71.40
incl. VAT
Required
9 L
1 L left over — handy for topping up
Best-value combination
- 2×5 L€71.40
Compared with 1 L packs you save €14.10
Fleet annual consumption
Estimate yearly oil consumption and how much you save by buying large packs.
Annual consumption
633 L
Changes per year
16.7
Buying 20 L cans
€3,160.32
32 × 20 L · €4.99/L
Buying 200 L drums
€2,490.57
4 × 200 L · €3.93/L
Yearly savings with drums
€669.75
incl. VAT · Business customers get an individual discount on the whole catalogue.
Request a B2B quote2-stroke fuel mix
How much oil to add to petrol for a chainsaw, trimmer or outboard motor.
Always follow the ratio specified by the equipment manufacturer. Fully synthetic Divinol Synthetic 2T is suitable for mixes up to 1:100.
Oil required
100 ml
Mix 1:50 · 5 L
Screenwash dilution
How much water to add to a −60 °C concentrate to reach the frost protection you need.
Approximate calculation
- 25% → -8 °C
- 33% → -12 °C
- 50% → -22 °C
- 67% → -35 °C
- 100% → -60 °C
Ratio
1 : 1.2
concentrate : water
- Concentrate
- 2.33 L
- Water
- 2.67 L
Approximate calculation — freeze points are interpolated from typical dilution values. Use distilled or soft water and aim a few degrees lower for a safety margin.
View concentrate