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Romper "Tiny Tot" Crochet Pattern

Romper
4.2★ Rating
5-7 Hours Time Needed
3.7K Made This
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Intermediate Level

Ideal for those with basic crochet experience, featuring slightly more advanced stitches and techniques to expand your skills.

⏱️

Weekend Treat

Takes 5-7 hours, making it an enjoyable project to finish over a couple of days.

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Casual Chic

Relaxed style with a modern twist, perfect for everyday wear while maintaining that handcrafted uniqueness.

About This Romper "Tiny Tot" Crochet Pattern

This pattern creates a smart, buttoned baby romper called Tiny Tot, worked flat with single crochet rows and simple shaping for leg openings. It includes full row-by-row instructions for sizes newborn through 9-12 months, plus ribbed borders and straps. The design is practical and stylish, finished with buttonholes and a neat ribbed edge.

Romper

You will use sport weight yarn and two hook sizes to achieve a neat texture and tighter ribbing on edges. The pattern features clear increase and decrease rows and explicit counts for each size to make following easy.

Why You'll Love This Romper "Tiny Tot" Crochet Pattern

I absolutely love this pattern because it transforms a simple stitch into a charming, wearable baby piece with clean shaping and lovely finishing. I enjoy how the buttoned straps add both practicality and vintage charm, making the romper easy to dress and undress. The row-by-row instructions for multiple sizes make it satisfying to customise for any baby. I appreciate that it uses common techniques so I can adapt yarn and hooks to change the final size and texture.

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Switch Things Up

I love how easy it is to customize this Tiny Tot romper by changing yarn color and texture; try soft pastels or bold solids to match your style.

I often make a mini version by switching to fingering weight yarn and a smaller hook for sweet keychain or doll-size rompers.

I like to add embroidered motifs like stars or little hearts to the bib before sewing on the straps for a personalized touch.

If you prefer a cozier version, choose a slightly thicker yarn and a larger hook for a chunkier, snuggly romper.

Try swapping the buttonholes for snaps if you want quicker fastening for very young babies; place snaps exactly where the buttonholes fall.

For a gender-neutral look, choose earthy tones or heathered yarn; for special occasions, use a lacy ribbon threaded through buttonholes as a decorative accent.

I sometimes replace the ribbed border with a scalloped edge by working small shell stitches along the hem for a delicate finish.

If you want a longer romper, extend the number of rows in the front and back sections and adjust increases to keep the shaping proportional.

I recommend testing strap length by holding straps in place on the finished body before sewing buttons; this helps you adjust for baby growth and outfit layering.

Finally, I like to mix cotton with a soft acrylic blend to balance washability with structure; the cotton keeps the stitches neat while the blend improves durability.

Common Mistakes & How to Fix Them

✗ Skipping stitch markers when counting central stitches can misplace the straps; mark the central 17 (17, 17, 21, 21) stitches before starting the straps and check them frequently. ✗ Not checking gauge leads to a romper that is too large or too small; measure 23 sts and 26 rows in sc blo for a 10x10 cm swatch using a 3.5mm hook and adjust hook size if needed. ✗ Overstuffing or pulling seams tightly when sewing the ribbed border can distort the shape; weave in ends and sew gently, easing the fabric as you go for a smooth finish. ✗ Forgetting that the ch1 at the end of each row does not count as a stitch can throw off counts; always remember the note and count actual sc stitches after turning.

Romper "Tiny Tot" Crochet Pattern

Make a delightful Tiny Tot romper for babies with this clear, size-inclusive crochet pattern. You will enjoy step-by-step row instructions, buttoned straps, and a ribbed border to finish a polished, wearable piece. The pattern includes multiple sizes from newborn to 9-12 months and helpful gauge and materials info to get you started.

Intermediate 5-7 Hours

Materials Needed for Romper "Tiny Tot" Crochet Pattern

— Main Fabric

  • 01
    Sport weight yarn (12 wpi). Cotton yarn or a mixed yarn. Approx. 180yd/1.76 oz (165m/50g)
  • 02
    Yarn amount newborn: approx 234 yards
  • 03
    Yarn amount 0-3 months: approx 273 yards
  • 04
    Yarn amount 3-6 months: approx 312 yards
  • 05
    Yarn amount 6-9 months: approx 346 yards
  • 06
    Yarn amount 9-12 months: approx 423 yards
  • 07
    8 buttons - 1/2"-5/8" (12-15mm)

— Tools Required

  • 01
    Crochet hook size 3.5mm for the main pattern
  • 02
    Crochet hook size 3mm for ribbed borders and straps
  • 03
    Stitch markers
  • 04
    Scissors
  • 05
    Yarn needle for weaving ends and sewing on buttons

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— Materials :

Infos :

Yarn weight Sport (12 wpi). Cotton yarn or a mixed yarn. Approx. 180yd/1.76 oz (165m/50g). Hook 3,5mm for the main patt and Hook 3mm for ribbed borders and straps. 8 buttons - 1/2"-5/8" (12-15mm). Stitch markers, scissors.

— Notes & Gauge :

Info :

How to decrease: sc2tog - 2 single crochets are joined into one loop. Insert the hook in back loop of next stitch and pull the yarn through, then pull the yarn through the 2sd from the hook stitch. Now you have 3 loops on your hook. Yarn over and pull it through all loops.

Info :

Main pattern: All the rows are worked in sc into blo.

Info :

Gauge: work 23sts and 26 rows in sc working blo to measure 10x10 cm (4x4 inch) using a 3.5mm crochet hook, or size required to obtain the gauge. Please check the gauge before you start!

— Bib part :

Info :

Note: at the end of each row, the Ch1 made does not count as a stitch.

Row 1 :

ch27(29, 31, 33, 35) sc into the 2nd ch from your hook. Sc into each chain, ch1 and turn. =26(28, 30, 32, 34)sts.

Row 2 :

sc into each stitch, ch1 and turn. =26(28, 30, 32, 34)sts.

Row 3 (inc) :

sc in the next 6sts, 2sc into the next st, sc in the next 12(14, 16, 18, 20)sts, 2sc into the next st, sc in the next 6sts, ch1 and turn. =28(30, 32, 34, 36)sts.

Rows 4-5 :

sc into each stitch, ch1 and turn. =28(30, 32, 34, 36)sts.

Row 6 (inc) :

sc in the next 6sts, 2sc into the next st, sc in the next 14(16,18,20,22)sts, 2sc into the next st, sc in the next 6sts, ch1 and turn. =30(32,34,36,38)sts.

Info :

For size 6-9 m, 9-12 m continue increase:

Rows 7-8 :

sc into each stitch, ch1 and turn. =36(38)sts.

Row 9 (inc) :

sc in the next 6sts, 2sc into the next st, sc in the next 22 (24)sts, 2sc into the next st, sc in the next 6sts, ch1 and turn. =38(40)sts.

Info :

For newborn size:

Rows 7-19 :

sc into each stitch, ch1 and turn. =30sts.

Info :

For size 0-3 m, 3-6 m:

Rows 7-21 :

sc into each stitch, ch1 and turn. =32,34sts.

Info :

For size 6-9 m:

Rows 10-26 :

sc into each stitch, ch1 and turn. =38sts.

Info :

For size 9-12 m:

Rows 10-29 :

sc into each stitch, ch1 and turn. =40sts.

— Front part with button holes :

Info :

Note: in rows 20 (22, 22, 27, 30), 28 (31,31,36,39), 36 (40,40,45,48) - that is, after every 7 (8,8,8) rows to make two holes for buttons.

For newborn size - Row 20 :

sc in the next 3sts, 2ch, skip 2sts, sc in the next 20sts, 2ch, skip 2sts, sc in the next 3sts, ch1 and turn. =30sts.

Rows 21-27 :

sc into each stitch, ch1 and turn. =30sts.

Row 28 (holes) :

repeat Row 20.

Rows 29-35 :

sc into each stitch, ch1 and turn. =30sts.

Row 36 (holes) :

repeat Row 20.

For size 0-3 m, 3-6 m - Row 22 (holes) :

sc in the next 3sts, 2ch, skip 2sts, sc in the next 22, 24 sts, 2ch, skip 2sts, sc in the next 3sts, ch1 and turn. =32,34sts.

Rows 23-30 :

sc into each stitch, ch1 and turn. =32,34sts.

Row 31 (holes) :

repeat Row 22.

Rows 32-39 :

sc into each stitch, ch1 and turn. =32,34sts.

Row 40 (holes) :

repeat Row 22.

For size 0-3 m - Rows 41-47 :

sc into each stitch, ch1 and turn. =32sts.

For size 3-6 m - Rows 41-49 :

sc into each stitch, ch1 and turn. =34sts.

For size 6-9 m - Row 27 (holes) :

sc in the next 3sts, 2ch, skip 2sts, sc in the next 28 sts, 2ch, skip 2sts, sc in the next 3sts, ch1 and turn. =38sts.

Rows 28-35 :

sc into each stitch, ch1 and turn. =38sts.

Row 36 (holes) :

repeat Row 27.

Rows 37-44 :

sc into each stitch, ch1 and turn. =38sts.

Row 45 (holes) :

repeat Row 27.

Rows 46-54 :

sc into each stitch, ch1 and turn. =38sts.

For size 9-12 m - Row 30 (holes) :

sc in the next 3sts, 2ch, skip 2sts, sc in the next 30 sts, 2ch, skip 2sts, sc in the next 3sts, ch1 and turn. =40sts.

Rows 31-38 :

sc into each stitch, ch1 and turn. =40sts.

Row 39 (holes) :

repeat Row 30.

Rows 40-47 :

sc into each stitch, ch1 and turn. =40sts.

Row 48 (holes) :

repeat Row 30.

Rows 49-60 :

sc into each stitch, ch1 and turn. =40sts.

— Front part with the decrease a stitches :

Info :

Now start decreasing the stitches the stitches to form the leg openings.

Row with decreases :

sc in the next 6sts, sc2tog, work sc into each stitch along the row until you have 8sts remaining and then sc2tog, sc in the next 6sts, ch1 and turn.

For newborn size :

To sum up, decrease 12 stitches evenly: 2 stitches in each row 6 times.

Rows 43-48 :

repeat row with decreases until 18sts are left.

Row 49-51 :

sc into each stitch, ch1 and turn. =18sts.

For size 0-3 m :

To sum up, decrease 14 stitches evenly: 2 stitches in each row 7 times.

Rows 48-54 :

repeat row with decreases until 18sts are left.

Row 55-56 :

sc into each stitch, ch1 and turn. =18sts.

For size 3-6 m :

To sum up, decrease 16 stitches evenly: 2 stitches in each row 8 times.

Rows 50-57 :

repeat row with decreases until 18sts are left.

For size 6-9 m :

To sum up, decrease 16 stitches evenly: 2 stitches in each row 8 times.

Rows 55-62 :

repeat row with decreases until 22sts are left.

Row 63-65 :

sc into each stitch, ch1 and turn. =22sts.

For size 9-12 m :

To sum up, decrease 18 stitches evenly: 2 stitches in each row 9 times.

Rows 61-69 :

repeat row with decreases until 22sts are left.

Row 70-72 :

sc into each stitch, ch1 and turn. =22sts.

— Front part with the increase a stitches :

Row with increase :

sc in the next 6sts, 2 sc in the next st, work sc into each stitch along the row until you have 7 sts remaining, 2 sc in next st, sc in next 6sts, ch1 and turn.

For newborn size :

52-60: repeat row with increase for the front until there are 36 stitches.

Info :

All told, we've done 60 rows for the front. That's a total of 23 cm (9 inches).

For sizes 0-3 m :

57-65: repeat row with increase for the front until there are 36 stitches. All told, we've done 60 rows for the front. That's a total of 25 cm (10 inches).

For size 3-6 m :

61-70: repeat row with increase for the front until there are 38 stitches. All told, we've done 70 rows for the front. That's a total of 27 cm (11 inches).

For size 6-9 m :

66-75: repeat row with increase for the front until there are 42 stitches. All told, we've done 75 rows for the front. That's a total of 29 cm (12 inches).

For size 9-12 m :

73-85: repeat row with increase for the front until there are 48 stitches. All told, we've done 85 rows for the front. That's a total of 33 cm (13 inches).

— Back part :

Info :

For the back part, continue to increase 2 sts each row till the number obtain 76 (88, 92, 92, 98) sts.

For newborn size :

work Rows 61-80 (inc). Next

Rows 81-92 :

sc into each stitch, ch1 and turn. =76sts.

For size 0-3 m :

work Rows 66-91 (inc). Next

Rows 92-100 :

sc into each stitch, ch1 and turn. =88sts.

For size 3-6 m :

work Rows 71-97 (inc). Next

Rows 98-110 :

sc into each stitch, ch1 and turn. =92sts.

For size 6-9 m :

work Rows 76-100 (inc). Next

Rows 101-115 :

sc into each stitch, ch1 and turn. =92sts.

For size 9-12 m :

work Rows 86-110 (inc). Next

Rows 111-134 :

sc into each stitch, ch1 and turn. =98sts. Then, evenly decrease 10 (8, 10, 8, 10) stitches in every second row twice.

— Back shaping & decreases :

For newborn size - Row 93 (dec) :

sc in the next 10 sts, repeat (sc2tog, sc in next 4sts) 9 more times, sc2tog, sc in the next 10 sts, ch1 and turn. =66 sts.

Row 94 :

sc into each stitch, ch1 and turn. =66sts.

Row 95 (dec) :

sc in the next 10 sts, repeat (sc2tog, sc in next 3sts) 9 more times, sc2tog, sc in the next 9 sts, ch1 and turn. =56 sts.

Row 96 :

sc into each stitch, ch1 and turn. You have 96 rows worked in total. Do no fasten off.

For size 0-3 m - Row 101 (dec) :

sc in the next 8 sts, repeat (sc2tog, sc in next 8sts) 8 more times, ch1 and turn. =80sts.

Row 102 :

sc into each stitch, ch1 and turn. (80sts)

Row 103 (dec) :

sc in the next 8 sts, repeat (sc2tog, sc in next 7sts) 8 more times, ch1 and turn. =72sts.

Row 104 :

sc into each stitch, ch1 and turn. =72 sts. You have 104 rows worked in total. Do no fasten off.

For size 3-6 m - Row 111 (dec) :

sc in the next 9 sts, repeat (sc2tog, sc in next 6sts) 9 more times, sc2tog, sc in the next 9 sts, ch1 and turn. =82 sts.

Row 112 :

sc into each stitch, ch1 and turn. =82sts.

Row 113 (dec) :

sc in the next 9 sts, repeat (sc2tog, sc in next 5sts) 9 more times, sc2tog, sc in the next 8 sts ch1 and turn. =72 sts.

For size 6-9 m - Row 116 (dec) :

sc in the next 10 sts, repeat (sc2tog, sc in next 8sts) 7 more times, sc2tog, sc in the next 10 sts, ch1 and turn. =84 sts.

Row 117 :

sc into each stitch, ch1 and turn. (84sts)

Row 118 (dec) :

sc in the next 10 sts, repeat (sc2tog, sc in next 7sts) 7 more times, sc2tog, sc in the next 9 sts ch1 and turn. =76 sts.

Row 119 :

sc into each stitch, ch1 and turn. =76sts. You have 119 rows worked in total. Do no fasten off.

For size 9-12 m - Row 135 (dec) :

sc in the next 7 sts, repeat (sc2tog, sc in next 8sts) 9 more times, ch1 and turn. =88 sts.

Row 135 :

sc into each stitch, ch1 and turn. =88sts.

— Ribbed border :

Info :

Work with the hook of smaller size – 3mm. Fasten off when finished. You could leave your yarn longer to use it when sewing on a button on this side.

Row 1 :

ch9, into the 2nd chain from your hook, sc into each chain. Join to the back with a sl st stitch's: do sl st in the next 2 sts, turn without ch.

Row 2 :

skip two sl st, sc in the next 8 sts, ch1 and turn.

Row 3 :

sc into each chain. Join to the back with a sl st stitch's: do sl st in the next 2 sts, turn without ch.

Repeat :

Repeat Row 2 and 3 until you work 56 (72, 72, 76, 88) rows.

— Straps :

Info :

Use the smaller hook 3mm again to make the straps tighter than the main pattern. Count the central 17 (17, 17, 21, 21)sts on the back and mark it with stitch markers. One row count as a one stitch.

Strap Row 1 :

join with a sl st to the first marked st, ch1, sc in each of next 17 (17, 17, 21, 21)sts, ch1 and turn. =17 (17, 17, 21, 21)sts.

Strap Row 2 :

sc in each stitch, ch1 and turn. =17 (17, 17, 21, 21)sts.

Info :

Repeat Row 2 until you work 14 (14, 16,20,22) rows. Do not fasten off. Continue to work one of the narrower straps.

Narrow strap Row 1 :

sc in each stitch, ch1 and turn. =8sts.

Repeat :

Repeat Row 1 until you work 33 (41, 38, 41, 45) rows.

Button hole row :

In Row 34 (42, 39, 42, 46) make button holes: sc in the next 3 sts, ch2, skip 2sts, sc in next 3 sts.

Final rows :

Rows 35-37 (43-45, 40-42, 43-45, 47-49): repeat Row 1. Work the second strap in the same way. Weave in all the ends and sew on the buttons. The romper is ready. Congratulations!

— Finishing / Assembly :

Infos :

Weave in ends, attach ribbed border if required on sides where indicated, fold straps and sew buttons to match buttonholes, press gently if needed and trim yarn tails.

Assembly Instructions

  • Weave in all loose yarn ends using a yarn needle, hiding them neatly along seams and inside the ribbed border.
  • Sew on the 8 buttons to the front bib so they align with the button holes you made in the strap rows; check placement by matching straps to holes before stitching.
  • Attach the ribbed border to the lower edge as needed and make sure the edges line up evenly; use small whipstitches for a neat finish.
  • Sew the straps to the back marked section (central 17 (17, 17, 21, 21) stitches) and ensure the strap buttonholes align with the sewn buttons for comfortable fastening.

Important Notes

  • 💡Use stitch markers to keep track of the central stitches and any marked rows for button placement and strap attachment.
  • 💡Stuffing is not required for this garment, but block or gently press pieces to shape after finishing for a neater appearance.
  • 💡Always check your gauge before starting to ensure the correct finished size; adjust hook size if your swatch does not match the stated gauge.
  • 💡Remember the ch1 at the end of each row does not count as a stitch when counting your rows and stitch totals.

This Tiny Tot romper pattern is a sweet, practical baby garment that combines classic ribbing and neat buttoned straps for easy dressing. The pattern includes full size options from newborn to 9-12 months and step-by-step rows to guide you every stitch of the way. Happy crocheting and enjoy making something handmade with love! 🧶👶

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FAQs

What size will the finished piece be?

Sizes available range from newborn to 9-12 months; see the size table for exact finished lengths and widths. Final dimensions vary with yarn and gauge.

Can I use different yarn weights for this pattern?

Yes, but different yarn weights will change the finished size; adjust hook size and check gauge to match measurements.

Do I need prior crochet experience for this pattern?

This pattern is rated intermediate and assumes you know basic stitches like single crochet, increases, decreases, and working in back loops only.

How long does this project typically take to complete?

Most crocheters complete this project in 5-7 hours, though time may vary based on experience level and customization.