LSFO Calculator

Vessel HSFO - LSFO Fuel Switching

FO Consumption [m3/hr] 2.5 Entry Details
FO System Capacity [liters] 500 Date
Time
Fuel Oil Supplier
Position
Bunker Date
Bunker Port C/E Comments
Fuel Oil Quality HSFO LSFO
Density @15ºC [g/mL] 0.9910 0.8900
Viscosity [mm2/s] 380.0 2.0
Viscosity Temp [ºC] 50.0 40.0
Sulphur [%m/m] 2.70 0.50

Change Over Time Change Over Progress

Time [min] % HSFO HSFO Qty % LSFO LSFO Qty S [%m/m]
0 100 500 0 0
1 92 458 8 42 2.52 S

2 84 420 16 80 2.35
3 77 385 23 115 2.19 4.5
4 71 353 29 147 2.06 4

S [%m/m]
5 65 324 35 176 1.93
3.5
6 59 297 41 203 1.80
3
7 54 272 46 228 1.69
8 50 249 50 251 1.60 2.5

9 46 228 54 272 1.51 2

10 42 209 58 291 1.42
1.5
11 38 192 62 308 1.34
1
12 35 176 65 324 1.27
13 32 161 68 339 1.20 0.5

14 30 148 70 352 1.16 0

15 27 136 73 364 1.09 0 10

16 25 125 75 375 1.05

17 23 115 77 385 1.01
18 21 105 79 395 0.96
19 19 96 81 404 0.92
20 18 88 82 412 0.90
21 16 81 84 419 0.85
22 15 74 85 426 0.83 100
23 14 68 86 432 0.81
Content [%]

90
24 12 62 88 438 0.76
25 11 57 89 443 0.74 80

26 10 52 90 448 0.72 70
27 10 48 90 452 0.72 60

50

40
 Content [
80

70

60
28 9 44 91 456 0.70
50
29 8 40 92 460 0.68
30 7 37 93 463 0.65 40
31 7 34 93 466 0.65 30
32 6 31 94 469 0.63
20
33 6 28 94 472 0.63
10
34 5 26 95 474 0.61
35 5 24 95 476 0.61 0
36 4 22 96 478 0.59 0 10

37 4 20 96 480 0.59
38 4 18 96 482 0.59
39 3 17 97 483 0.57
40 3 16 97 484 0.57
41 3 15 97 485 0.57
42 3 14 97 486 0.57
43 3 13 97 487 0.57
44 2 12 98 488 0.54
45 2 11 98 489 0.54
46 2 10 98 490 0.54
47 2 9 98 491 0.54
48 2 8 98 492 0.54
49 1 7 99 493 0.52
50 1 6 99 494 0.52
51 1 6 99 494 0.52
52 1 6 99 494 0.52
53 1 6 99 494 0.52
54 1 6 99 494 0.52
55 1 6 99 494 0.52
56 1 6 99 494 0.52
57 1 6 99 494 0.52
58 1 6 99 494 0.52
59 1 6 99 494 0.52
60 1 6 99 494 0.52
HSFO - LSFO Fuel Switching Log (3-year retention)
Entry Details Depature Details
Date
Time
Longitute Longitute
Position
Latitude Latitude
C/E Comments

Sulphur Content Over Time

4.5

4
S [%m/m]

3.5

2.5

1.5

0.5

0
0 10 20 30 40 50 60

t [min]

HSFO & LSFO Content

100
Content [%]

90

80
Column
70 B
Column
D
60

50

40
Content [
80
Column
70 B
Column
D
60

50

40

30

20

10

0
0 10 20 30 40 50 60

t [min]
LSFO Calculator

Vessel HSFO - LSFO Fuel Switching

FO Consumption [m3/hr] 2.5 Entry Details
FO System Capacity [liters] 600 Date
Time
Fuel Oil Supplier
Position
Bunker Date
Bunker Port C/E Comments
Fuel Oil Quality HSFO LSFO
Density @15ºC [g/mL] 0.9910 0.8900
Viscosity [mm2/s] 380.0 2.0
Viscosity Temp [ºC] 50.0 40.0
Sulphur [%m/m] 2.70 0.50

Change Over Time Change Over Progress

Time [min] % HSFO HSFO Qty % LSFO LSFO Qty S [%m/m]
0 100 600 0 0
1 93 558 7 42 2.55 S

2 87 519 13 81 2.41
3 81 483 19 117 2.28 4.5
4 75 449 25 151 2.15 4

S [%m/m]
5 70 418 30 182 2.04
3.5
6 65 389 35 211 1.93
3
7 60 362 40 238 1.82
8 56 337 44 263 1.73 2.5

9 52 314 48 286 1.64 2

10 49 292 51 308 1.58
1.5
11 45 272 55 328 1.49
1
12 42 253 58 347 1.42
13 39 235 61 365 1.36 0.5

14 37 219 63 381 1.31 0

15 34 204 66 396 1.25 0 10

16 32 190 68 410 1.20

17 30 177 70 423 1.16
18 28 165 72 435 1.12
19 26 154 74 446 1.07
20 24 143 76 457 1.03
21 22 133 78 467 0.98
22 21 124 79 476 0.96 100
23 19 115 81 485 0.92
Content [%]

90
24 18 107 82 493 0.90
25 17 100 83 500 0.87 80

26 16 93 84 507 0.85 70
27 15 87 85 513 0.83 60

50

40
 Content [
80

70

60
28 14 81 86 519 0.81
50
29 13 75 87 525 0.79
30 12 70 88 530 0.76 40
31 11 65 89 535 0.74 30
32 10 60 90 540 0.72
20
33 9 56 91 544 0.70
10
34 9 52 91 548 0.70
35 8 48 92 552 0.68 0
36 8 45 92 555 0.68 0 10

37 7 42 93 558 0.65
38 6 39 94 561 0.63
39 6 36 94 564 0.63
40 6 34 94 566 0.63
41 5 32 95 568 0.61
42 5 30 95 570 0.61
43 5 28 95 572 0.61
44 4 26 96 574 0.59
45 4 24 96 576 0.59
46 4 22 96 578 0.59
47 3 20 97 580 0.57
48 3 19 97 581 0.57
49 3 18 97 582 0.57
50 3 17 97 583 0.57
51 3 16 97 584 0.57
52 3 15 97 585 0.57
53 2 14 98 586 0.54
54 2 13 98 587 0.54
55 2 12 98 588 0.54
56 2 11 98 589 0.54
57 2 10 98 590 0.54
58 2 9 98 591 0.54
59 1 8 99 592 0.52
60 1 7 99 593 0.52
HSFO - LSFO Fuel Switching Log (3-year retention)
Entry Details Depature Details
Date
Time
Longitute Longitute
Position
Latitude Latitude
C/E Comments

Sulphur Content Over Time

4.5

4
S [%m/m]

3.5

2.5

1.5

0.5

0
0 10 20 30 40 50 60

t [min]

HSFO & LSFO Content

100
Content [%]

90

80
Column
70 B
Column
D
60

50

40
Content [
80
Column
70 B
Column
D
60

50

40

30

20

10

0
0 10 20 30 40 50 60

t [min]