True Cost-Per-Wear Calculator (With Hidden Costs)
A $400 coat worn 200 times costs less per wear than a $40 top worn twice. The sticker price lies; the cost-per-wear (CPW) formula does not. This calculator runs the real math, including the hidden costs most shoppers forget, so you can walk away from a “deal” that will actually drain your wardrobe budget over three years.
The Formula (And What Most Calculators Skip)
The basic CPW equation is simple: Total Cost ÷ Number of Wears. But that version misses the three costs that actually determine whether a piece earns its hanger space:
- Alterations. A $180 blazer plus $60 of tailoring has a true cost of $240. Our calculator adds this automatically.
- Care costs. Dry cleaning, specialized detergent, and shoe resoling add up fast. A silk blouse requiring $12-per-wash dry cleaning costs twice what the tag says.
- Expected resale value. Investment pieces from heritage brands often recover 30-50% of their price on The RealReal or Vestiaire Collective. Fast fashion recovers almost nothing. This calculator subtracts realistic resale from your total cost.
The result is True Cost-Per-Wear (TCPW), the number that actually predicts whether you will feel good about the purchase a year from now.
True Cost-Per-Wear Calculator
True CPW = (Price + Alterations + Total Care − Resale) ÷ Wears
What Counts As A “Good” CPW?
There is no universal target. A work blazer worn twice a week for three years lands around $0.40 per wear, excellent for any price point. A special-occasion dress worn once a year should be rented, not bought, unless you attend four or more formal events annually. We outlined the full buy-versus-rent threshold in our summer wedding guest guide.
The real red flag is anything above $3 per wear for a daily-rotation piece. That threshold is where repair costs start exceeding replacement costs, and where most fast fashion purchases quietly live. Our Buying Guides archive covers the specific CPW targets for denim, outerwear, and shoes separately, because each category has different wear mechanics.
Frequently Asked Questions
What does cost per wear really measure?
It measures how efficiently a garment converts dollars into use. Lower CPW means the piece is working harder in your wardrobe.
How do I calculate cost per wear?
Add purchase price, alterations, and estimated care costs. Subtract expected resale value. Divide by realistic lifetime wears.
What are the hidden costs in cost per wear?
Tailoring, dry cleaning, shoe resoling, storage (cedar hangers, shoe trees), and the time cost of special care.
Why should I use cost per wear for shopping?
It prevents the “cheap piece trap”, items under $50 that fall apart after six wears and cost $8+ per wear in reality.
How many times will I realistically wear this item?
Use the 30-wears test: if you cannot honestly picture yourself wearing it 30 times over two years, do not buy it.
What is a good target cost per wear?
Under $1 for daily rotation, under $3 for weekly rotation, under $10 for monthly occasion wear.
How does cost per wear help build a sustainable wardrobe?
It naturally filters out fast fashion, because cheap construction rarely survives enough wears to reach a low CPW.
External references: Ellen MacArthur Foundation Textile Economy Report, thredUp Resale Market Report
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