The Complete Suit Alteration Guide: What's Worth Altering, Where, and How Much It Costs
An ill-fitting suit is worse than no suit. A detailed guide to 15 key alteration points, real costs, and how to judge whether a suit is worth altering.
Suit Alterations Are the Highest-ROI Investment in Menswear
A $300 suit that fits perfectly looks better than a $3000 suit that does not. A $100 suit with a $30 alteration looks like a $500 suit. This guide covers which parts can be altered, which cannot, cost ranges, and how to communicate effectively with a tailor.
Pre-Alteration Assessment
Shoulders: Cannot Be Fixed Affordably. Altering shoulders requires dismantling the entire sleeve and recutting the shoulder structure. Costs typically $100-$300 with uncertain results. Assessment: the shoulder seam should sit exactly at the edge of your shoulder. If the seam falls inside your shoulder, abandon this suit. Overhang under 0.5cm is acceptable. Over 1cm, abandon.
Jacket Length: Easy to shorten, limited to lengthen. Standard length: hem falls between thumb base and first knuckle. Shorten 2-3cm costs $15-$40. Lengthening depends on hem allowance.
Three-Second Test: Button the top button. Check shoulder seam position, chest pull lines (X-shaped means too tight), and sleeve length (shirt cuff should show 1-1.5cm).
The 10 Most Common Alterations and Costs
- Sleeve shortening (no functional buttons): $15-$25. Functional buttons: $30-$60
- Trouser waist take-in: $15-$25. Let out: $20-$35
- Trouser hemming (plain): $10-$20. Cuffed: $15-$25
- Jacket waist suppression (single): $25-$45. Double: $35-$60
- Jacket length shortening: $25-$45 standard. Up to $75 with pocket repositioning
- Sleeve taper narrow: $20-$35. Widen: $25-$40
- Trouser seat/thigh take-in: $20-$35. Let out: $25-$45
- Collar lowering: $20-$35
- Lining replacement (sleeves): $25-$50. Full: $60-$120
- Functional buttonholes: $5-$10 each
Alteration Budget by Scenario
Basic Adjustment ($50-$80): Sleeve length and trouser length. Recommended: waist take-in and minor back suppression.
Deep Fit ($120-$220): Sleeve, trouser length, waist suppression (double), trouser waist, jacket length, sleeve taper.
Vintage Restoration ($200-$600): Full overhaul including shoulder work. Only when the suit's fabric and construction are exceptional.
Communicating with a Tailor
Bring a reference photo of ideal fit. Wear the shirt and shoes you will pair with the suit. Request a baste fitting for major alterations. Test a tailor with an old shirt sleeve shortening ($10-$15).
Common Mistakes
Altering too much creates a sum problem. Ignoring proportion relationships causes cascading effects. Buying small instead of large is wrong — better a little big than a little small.
FAQ
Q: Online suit does not fit — return or alter? A: Check shoulders first. Wrong shoulders means return. Right shoulders means keep and alter.
Q: Custom vs off-the-rack plus alterations? A: Under $800, quality off-the-rack plus $50-$80 alterations beats same-budget custom. True bespoke starts around $1000+.
Q: How often re-alter? A: Weight change of 5-8 lbs typically requires re-alteration. A 2cm waist change visibly affects fit.
Q: Finding a good tailor? A: Department store alteration counters, old neighborhood tailors, or suit shop affiliated tailors. Avoid dry cleaner alteration services.
Conclusion
A well-fitting cheap suit always looks better than an ill-fitting expensive one. Finding a good tailor and building a relationship is the single most valuable investment in your wardrobe.