How long does machine embroidery take? Formula and worked examples

The number on the machine box, stitches per minute, is the easiest figure to find and the least useful on its own. Real embroidery time includes thread changes, trims, slow sections, hooping and finishing. If you’re planning a gift deadline or quoting an order, you need all of them.

This guide gives you a formula, explains each part and works through examples on three Brother machines with different speeds and hoop sizes. All stitch counts, color counts and minutes below are examples for the math. Run your own numbers in the stitch time calculator.

The formula

Total time = stitching time + color change time + setup and finishing time

Where:

• Stitching time = stitch count ÷ effective speed
• Effective speed = maximum speed (spm) × efficiency
• Color change time = number of color changes × minutes per change
• Setup and finishing = hooping, placement, loading the design, unhooping, removing stabilizer, trimming and pressing

A design with 8 colors has 7 color changes. If the design repeats a color, count each time it comes back, unless your software or machine has combined them.

Why maximum speed is a ceiling, not a prediction

Brother lists the PE545 at up to 400 stitches per minute, the PE900 at up to 650 and the NQ1700E at up to 850. Those are maximums. A machine doesn’t hold top speed through a whole design.

Several things pull the real speed down:

• Short stitches, satin columns and small lettering
• Jumps and trims between sections
• Thread breaks and bobbin changes. Madeira lists machine speed among the factors in thread breaks.
• Specialty thread. Sulky and Madeira both say to slow down for metallic thread.
• You. Stopping to check placement, trim a jump by hand or fix a nest.

That’s why the calculator uses an efficiency factor. Its default of 80% is a planning assumption, not a measured figure. Your real number depends on your designs and your machine.

How to find your own efficiency

1. Load a typical design and note its stitch count.
2. Time only the stitching, excluding color changes and setup.
3. Efficiency = (stitch count ÷ stitching minutes) ÷ max speed.

For example, if a 10,000-stitch design takes 20 minutes of stitching on a 650 spm machine: 10,000 ÷ 20 = 500 spm, and 500 ÷ 650 = 77%. Use that in future estimates.

Color changes: the hidden time on single-needle machines

Home embroidery machines like the PE545, PE900 and NQ1700E are single needle. For every new color, the machine stops and you cut the old thread, rethread the new one and restart. Even with automatic needle threading, it’s hands-on time.

A multi-needle machine works differently. Brother lists the PR680W with six needles, so a design with six or fewer colors can run without stopping for thread changes once all six are threaded. Designs with more colors than needles still need a manual rethread partway through.

Brother lists features that reduce trimming on its home machines: an automatic thread cutter on the PE545, jump stitch trimming on the PE900 and an automatic thread trimming system on the NQ1700E. They cut down on scissor work, but they don’t remove the rethreading at each color change.

Example: at an example 1.5 minutes per change, a 10-color design adds 13.5 minutes of rethreading. That can be as long as the stitching on a small design. More on the trade-off in single-needle vs multi-needle machines.

Setup and finishing

Setup is everything before the first stitch: marking placement, hooping the fabric and stabilizer, attaching the hoop, loading and positioning the design. Finishing is everything after: unhooping, trimming, removing stabilizer and pressing.

For a single gift, setup can take longer than the stitching. For a batch, you can save time by marking all the pieces first, cutting all the stabilizer at once and hooping the next item while the current one stitches (if you have a second hoop). Time a real piece and write the number down.

Our hooping guide and placement guide cover the setup steps.

Worked examples: 4 × 4, 5 × 7 and 6 × 10

These examples use each machine’s maximum speed as Brother lists it, an assumed 80% efficiency and an example 1.5 minutes per color change. The designs, colors and setup times are examples sized to each hoop.

	4 × 4 on PE545	5 × 7 on PE900	6 × 10 on NQ1700E
Brother’s max speed (ceiling)	400 spm	650 spm	850 spm
Example stitch count	8,000	15,000	30,000
Stitching at max speed (ceiling only)	20.0 min	23.1 min	35.3 min
Effective speed at 80%	320 spm	520 spm	680 spm
Stitching at 80%	25.0 min	28.8 min	44.1 min
Example colors (changes)	5 (4)	8 (7)	10 (9)
Color change time	6.0 min	10.5 min	13.5 min
Example setup and finishing	10 min	12 min	15 min
Estimated total	41 min	51 min	73 min

What the examples show

• The ceiling misleads. The 5 × 7 design looks like 23 minutes at top speed. Hooping to unhooping, the estimate is about 51 minutes.
• Non-stitching time is a big share. On the 4 × 4 example, color changes and setup are 16 of the 41 minutes.
• Bigger hoops mean bigger designs. The 6 × 10 machine is faster, but a design filling the larger field has more stitches, so it still takes longer.

Same design, different machines

Speed has a clearer effect when the design is the same. Take one 15,000-stitch, eight-color design, stitch time only, ignoring whether it fits each hoop:

Machine (max speed)	Stitching at 80%	Plus 7 color changes	Total before setup
PE545 (400 spm)	46.9 min	10.5 min	57.4 min
PE900 (650 spm)	28.8 min	10.5 min	39.3 min
NQ1700E (850 spm)	22.1 min	10.5 min	32.6 min

Going from 400 to 650 spm saves about 18 minutes here. Going from 650 to 850 saves about 7. The color changes stay the same on every single-needle machine.

Does stitch count affect whether a design will load?

Yes, it can. Brother’s support article on designs that aren’t recognized lists a maximum stitch count by hoop size: 30,000 for 4 × 4, 50,000 for 5 × 7 and 150,000 for 6 × 10. Brother’s operation manuals give different figures (up to 100,000 stitches per pattern for the PE545 and up to 200,000 for the PE900), so check your own manual. Very large designs take a long time anyway, so the stitch count is worth checking for both reasons.

Planning batches and deadlines

For an order of several items, multiply the per-item estimate, then add a buffer. Using the 5 × 7 example: 10 shirts × 51 minutes is about 8.5 hours.

On a single-needle machine, much of that time needs you nearby for color changes. That limits how many items you can make in a day, which matters for pricing. Impressions describes a pricing approach built on how many stitches a shop can run per hour, and the same thinking applies at home: your capacity sets your income ceiling. See how to price machine embroidery and is an embroidery business worth it?.

When you promise a delivery date:

• Use a range, not a single number. Run a fast and slow scenario in the calculator.
• Leave room for a redo in case a piece is ruined.
• Don’t quote from maximum speed.

How to make embroidery faster

• Choose designs with fewer colors where you can, especially on a single-needle machine.
• Combine repeated colors. Brother lists color sort on the PE900, which can reduce changes when you combine designs.
• Batch your setup: mark, cut stabilizer and prep blanks together.
• Keep a second hoop to hoop the next item while one stitches.
• Use the right hoop size. A smaller hoop for a small design is quicker to hoop.

If you’re still choosing a machine, our 4 × 4 vs 5 × 7 hoop guide and the machine finder can help. Compare specs on the Brother PE545, Brother PE900 and Brother NQ1700E pages.