How the Diesel Converter Works
The Diesel Converter divides diesel mass by fuel density. The default 0.832 kg/L sits in the middle of the EN 590 range of 0.820–0.845 kg/L at 15°C (59°F).
Enter the diesel mass
Type the kilograms from a delivery ticket, weighbridge or tank gauge.
Use the delivery density
Copy the density at 15°C from the fuel delivery note for the most exact answer.
Read the liters
The result shows standard liters at 15°C.
Convert to gallons or barrels
Use the table for US gallons and 42-gallon oil barrels.
Diesel Converter Formula
The diesel formula is Liters = Kilograms ÷ 0.832. One metric tonne of diesel equals about 1,202 L, 317.6 US gallons or 7.56 barrels.
- ρ15
- Diesel density at 15°C from the delivery note, kg/L
Worked Examples
- Tank truck: 30,000 kg ÷ 0.832 = 36,058 L.
- Generator day tank: 800 kg ÷ 0.840 = 952.4 L.
- Vehicle fill: 60 L × 0.832 = 49.92 kg of fuel (110.1 lb).
Diesel Converter Conversion Table
1 kg of diesel equals 1.202 liters (0.318 US gal). The table converts diesel masses into liters, gallons and barrels.
| Mass (kg / lb) | Liters (L) | US Gallons (gal) | Imperial Gallons (imp gal) | Oil Barrels (bbl) |
|---|---|---|---|---|
| 1 kg (2.205 lb) | 1.202 | 0.318 | 0.264 | 0.00756 |
| 5 kg (11.023 lb) | 6.010 | 1.588 | 1.322 | 0.03780 |
| 10 kg (22.046 lb) | 12.019 | 3.175 | 2.644 | 0.07560 |
| 20 kg (44.092 lb) | 24.038 | 6.350 | 5.288 | 0.151 |
| 50 kg (110.23 lb) | 60.096 | 15.876 | 13.219 | 0.378 |
| 100 kg (220.46 lb) | 120.19 | 31.751 | 26.439 | 0.756 |
| 500 kg (1,102.3 lb) | 600.96 | 158.76 | 132.19 | 3.780 |
| 1,000 kg (2,204.6 lb) | 1,201.9 | 317.51 | 264.39 | 7.560 |
| 5,000 kg (11,023 lb) | 6,009.6 | 1,587.6 | 1,321.9 | 37.799 |
| 10,000 kg (22,046 lb) | 12,019 | 3,175.1 | 2,643.9 | 75.599 |
| 30,000 kg (66,139 lb) | 36,058 | 9,525.4 | 7,931.6 | 226.80 |
What is a Diesel Converter?
A Diesel Converter is a calculator that converts diesel fuel weight into volume using diesel density at a reference temperature.
Diesel is a middle distillate of crude oil with carbon chains of about C10 to C22. Ultra-low sulfur diesel (ULSD) in the US and EN 590 diesel in Europe cap sulfur at 15 ppm and 10 ppm.
Fuel is traded by mass at refineries and sold by volume at the pump. A delivery of 30 t at 0.832 kg/L gives 36,058 L, while the same mass at 0.845 kg/L gives 35,503 L, a 555 L gap.
What are the Uses of a Diesel Converter?
There are 5 main uses of a Diesel Converter.
Fuel delivery checks
Site managers compare delivered liters with invoiced tonnes.
Fleet fuel budgets
Operators convert tonne contracts into pump liters.
Generator planning
Engineers size day tanks for backup generators.
Marine bunkering
Ship crews convert bunker tonnes into tank soundings.
Carbon reporting
Teams convert liters into kg for 2.68 kg CO₂ per liter emissions factors.