Solar cable route material budget calculator

Calculate cable purchase length and connector pairs with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use cable purchase length and connector pairs to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

One-way DC route lengths (m)
10,15,20
Conductors per route (count)
2
Extra route allowance (%)
10
Connector pairs per route (count)
2
Cable purchase length (m)
99
Connector pairs (count)
6
Individual connector halves (count)
12

Try another scenario

One-way DC route lengths (m)
[11, 15, 20]
Conductors per route (count)
2
Extra route allowance (%)
10
Connector pairs per route (count)
2
Cable purchase length (m)
101.2
Connector pairs (count)
6
Individual connector halves (count)
12
Calculation method

Calculation method

Cable purchase length (m)

Route lengths × conductors × allowance; specified connector pairs counted independently. No electrical sizing.

Connector pairs (count)

Route lengths × conductors × allowance; specified connector pairs counted independently. No electrical sizing.

Individual connector halves (count)

Route lengths × conductors × allowance; specified connector pairs counted independently. No electrical sizing.

Symbols and units
a
One-way DC route lengths (m)
b
Conductors per route (count)
c
Extra route allowance (%)
d
Connector pairs per route (count)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Route lengths × conductors × allowance; specified connector pairs counted independently. No electrical sizing. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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