The following table uses live Grand Exchange Market Watch prices to calculate the profit from Smithingcannonballs. Although the second option gives a much higher profit, consideration should be given to the extra time taken to first smelt the raw materials. Consideration should also be given to the experience you get from smelting each of them, which is 691.2 exp per inventory (with an ammo mould and 27 steel bars). It takes approximately 6 seconds to smith a steel bar into 4 cannonballs. That's 2 minutes 48 seconds for 1 full load of cannonballs (28 steel bars).

The facts

Market prices

If the market prices are outdated, please use the "Update" link for updating the prices.

Each method makes 4 x (380 ea) with a sale value of 1,520 coins. Profits are calculated by subtracting the raw costs from this sale value.
All calculations are done assuming you have a cannonball mould on your tool belt.

Edgeville furnace

Method

Requirements

Time required per trip

Product per trip

Experience per trip

Raw materials

Raw cost

Profit per bar

Profit per hour

Experience per hour

Buy ores, smelt into steel bars, and smith them into cannonballs

(recommended)

1 minute, 40 seconds

9 x OR 36 x

230.4

1 x 449 2 x 112

-673

847

274,428

8294.4

Buy ores, superheat into steel bars, and smith into cannonballs

(recommended) 43

1 minute, 40 seconds

9 x OR 36 x

230.4 477

1 x 405 1 x 449 2 x 112

-1,078

442

190,944

8294.4 17172

Buy steel bars and smith them into cannonballs

(recommended)

3 minutes, 15 seconds

112 x

716.8

1 x 959

-959

561

282,744

12902.4

Port Phasmatys furnace

Method

Requirements

Time required per trip

Product per trip

Experience per trip

Raw materials

Raw cost

Profit per bar

Profit per hour

Experience per hour

Buy ores, smelt into steel bars, and smith them into cannonballs

1 minute, 5 seconds

9 x OR 36 x

230.4

1 x 449 2 x 112

-673

847

419,265

12672

Buy ores, superheat into steel bars, and smith into cannonballs

43

1 minute, 5 seconds

9 x OR 36 x

230.4 477

1 x 405 1 x 449 2 x 112

-1,078

442

291,720

12672 26235

Buy steel bars and smith them into cannonballs

1 minute, 40 seconds

112 x

716.8

1 x 959

-959

561

565,488

25804.8

Falador furnace

Method

Requirements

Time required per trip

Product per trip

Experience per trip

Raw materials

Raw cost

Profit per bar

Profit per hour

Experience per hour

Buy ores, smelt into steel bars, and smith them into cannonballs

None

1 minute, 32 seconds

9 x OR 36 x

230.4

1 x 449 2 x 112

-673

847

297,297

8985.6

Buy ores, superheat into steel bars, and smith into cannonballs

43

1 minute, 32 seconds

9 x OR 36 x

230.4 477

1 x 405 1 x 449 2 x 112

-1,078

442

206,856

8985.6 18603

Buy steel bars and smith them into cannonballs

None

3 minutes, 20 seconds

112 x

716.8

1 x 959

-959

561

282,744

12902.4

Al Kharid furnace

Method

Requirements

Time required per trip

Product per trip

Experience per trip

Raw materials

Raw cost

Profit per bar

Profit per hour

Experience per hour

Buy ores, smelt into steel bars, and smith them into cannonballs

None

1 minute, 32 seconds

9 x OR 36 x

230.4

1 x 449 2 x 112

-673

847

297,297

8985.6

Buy ores, superheat into steel bars, and smith into cannonballs

43

1 minute, 32 seconds

9 x OR 36 x

230.4 477

1 x 405 1 x 449 2 x 112

-1,078

442

206,856

8985.6 18603

Buy steel bars and smith them into cannonballs

None

3 minutes, 20 seconds

112 x

716.8

1 x 959

-959

561

282,744

12902.4

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