Clips & Mounting
How many Christmas light clips do I need?
One clip per bulb, not one per set. That difference is why almost everybody under-orders.
Mike M. — The hands-on owner behind Iron Mako Media.
Published
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Quick picks
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  Top pickBrightown All-in-One Light Clips, 200-pack200-pack; gutter + shingle; C9/C7/mini | Buying enough clips in one order | 8.3 | Check price on Amazon |
| 2 | SEWANTA Christmas Light Clips, mini, 400-pack25 x 19 mm; 400-pack | Mini and rope light on long runs | 8.6 | Check price on Amazon |
| 3 | SEWANTA Holiday Light Clips, all-application, 100-packFits C7, C9, mini, icicle; 100-pack | One clip for a whole mixed display | 9.0 | Check price on Amazon |
#ad We may earn a commission · Prices are shown by Amazon, not by us
Scores are our own editorial judgment from published specifications and buyer feedback — not aggregated user ratings, and not from hands-on testing. See how we pick.
Jump to a full review below: clips-and-mounting
The rule
One clip per bulb for C7 and C9. One clip every 18 to 24 inches for plain wire, mini string and icicle top wire. Then add 20 to 30 percent.
The per-bulb rule is where people go wrong, because clips are sold in packs and lights are sold in sets, and the two numbers have no relationship to each other. A 100-pack of clips sounds like a lot until you realize a single 25-bulb C9 set needs 25 of them.
Clip counts by run length
| Roofline | C9/C7 at 12 in | C9 at 8 in | Wire at 18 in | Wire at 24 in |
|---|---|---|---|---|
| 50 ft | 50 | 75 | 34 | 25 |
| 100 ft | 100 | 150 | 67 | 50 |
| 150 ft | 150 | 225 | 100 | 75 |
| 200 ft | 200 | 300 | 134 | 100 |
| 250 ft | 250 | 375 | 167 | 125 |
Find your roofline footage first — measuring your roofline covers how — then read across. The C9-at-12-inch column is the one most people need.
Why you add 20 to 30 percent
This is not padding. Every item below is a real loss on a real install:
- Dropped clips. Small plastic parts, at the top of a ladder, with gloves on. You will lose some into the gutter and some into a flower bed.
- Clips that will not grip. In any bag, a few are molded slightly loose or hit an awkward spot on the gutter.
- Tighter spacing where two runs meet. Corners need clips closer together — see below.
- The edge you forgot. A porch return, a garage side, a dormer you did not count.
- Next year. You will extend the display, and matching clips are easier to have than to re-source.
Where the spacing changes
- Corners. Where two runs meet, both wires arrive at the same point. Tighten to about 8 inches through the corner, or use a clip rated to hold two strands.
- Overlaps. Anywhere one strand crosses another, the doubled weight wants tighter spacing — wet strands in a freeze are heavier still.
- Long unsupported spans. Between a gable rake and a gutter there is sometimes a stretch with nothing to clip to. Tighten the clips on either side of it.
- The ends of a run. The first and last clip carry more than a middle clip. Place them close to the ends of the edge, not a foot short.
A worked example
Take the 156-foot roofline from how many Christmas lights do I need, running C9 at 12-inch spacing:
| Item | Count |
|---|---|
| Base requirement, one per bulb at 12 in | 156 |
| Tighter spacing at 4 corners | +16 |
| Porch columns, mini string at 18 in | +20 |
| Margin at 25 percent | +48 |
| Order | 240, so a 250-pack |
A 250-pack against a 156-foot roofline looks like over-ordering and is not. That is the gap between what people buy and what the job takes.
Buy one clip type if you can
Three part-used bags of different clips is how you end up short in the middle of a run with a handful of the wrong shape. An all-application clip covers gutters, shingles and every common bulb type, which means one order and one spare pile.
The exceptions are genuine problems rather than preferences: gutter guards need shingle tabs, a metal roof needs magnetic or seam clips, and an exposed elevation may justify locking clips on that section only. See the best Christmas light clips.
Common questions
How many clips do I need for 100 feet of Christmas lights?
About 100 for C9 or C7 at standard 12-inch spacing, since it is one clip per bulb. For plain wire or mini string at 18 to 24 inch spacing it is 50 to 67. Add 20 to 30 percent to either figure.
Do you need a clip for every bulb?
For C7 and C9, yes — each clip holds one bulb upright. For mini string, rope light and the top wire of icicle sets you only need to support the wire, so one clip every 18 to 24 inches is enough.
How many extra Christmas light clips should I buy?
Twenty to thirty percent over the calculated figure. You will drop some off the ladder, a few will not grip, corners need tighter spacing, and next year you will extend the display.
Can I use one type of clip for the whole house?
Usually yes — an all-application clip mounts to a gutter lip or under a shingle and grips C7, C9, mini and icicle. Buy a second type only for a specific problem such as gutter guards or a metal roof.
Sources
Every specification quoted on this page comes from the manufacturer’s own published information or a current retail listing, linked below. Where a figure is not published, we say so rather than estimating it.