Pendant Lights Required Width Calculator
Calculate the total width required for pendant lights from equal item widths and internal edge gaps.
How to use Pendant Lights Required Width Calculator
1. Enter Item Count, Item Width, Desired Gap. Use the matching measurement or purchase unit. 2. Count must be a positive whole number. One item has no internal gap. Add outer margins separately. Widths describe fitting bodies and gaps are edge to edge. These measurements do not determine mounting, electrical installation or clearance requirements. 3. Select Calculate or press Enter to see required total width. 4. Select Select Copy result to copy the answer, or Reset to clear the form.
Why use this tool?
Use this calculator to plan a horizontal row of light fittings. Widths describe fitting bodies and gaps are edge to edge. These measurements do not determine mounting, electrical installation or clearance requirements.
How the calculation works
Required width = count × item width + (count − 1) × desired gap. Count must be a positive whole number. One item has no internal gap. Add outer margins separately. Widths describe fitting bodies and gaps are edge to edge. These measurements do not determine mounting, electrical installation or clearance requirements. Counts and comparisons use exact entered decimals. Other dimensions display up to six decimal places, with scientific notation for smaller nonzero results. Input and result magnitudes are limited to 9,007,199,254,740,991. Currency uses the selected currency’s minor unit.
Example
Pendant Lights example: Four 40 cm items with three 10 cm gaps require 190 cm.
Practical tip
Check the chosen fitting’s installation and clearance instructions separately. Centre-to-centre distance equals the body width plus the edge gap.
Frequently asked questions
What does this result include?
Count must be a positive whole number. One item has no internal gap. Add outer margins separately.
Does this choose the right installation or allowance?
Widths describe fitting bodies and gaps are edge to edge. These measurements do not determine mounting, electrical installation or clearance requirements.
How should I interpret rounding and units?
Whole purchase counts round up and maximum fit counts round down using the entered decimals exactly. Other dimensions use up to six decimal places; smaller nonzero results use scientific notation. Currency rounds to its minor unit, with smaller positive costs labelled explicitly. Unit selectors describe the input unit; changing one does not convert entered values.