Quick answer
Whitening strips cost about $20-$60 a kit and LED kits about $30-$50, while dentist take-home trays run $150-$600 and in-office Zoom is $300-$1,000. Over a typical 5-year horizon, the lowest-cost route usually saves around $600-$700 versus repeat in-office sessions.
This is a cost comparison, not dental or medical advice; consult a professional for what is appropriate for you.
How the calculator works
Enter the prices you expect to pay for each method and how often you'd redo it, then pick a time horizon (5 years is a good default). The tool totals the multi-year cost of all four options (strips, an at-home LED kit, dentist take-home trays, and in-office Zoom) and shows the cheapest route plus your savings versus the priciest. Every number is cost only; nothing here speaks to results or safety.
The cost formula
Each method is a simple repurchase model. Strips and LED refills recur every year; trays charge gel only after the first year; in-office cost is price times the number of sessions over the horizon:
stripsTotal = stripsKitPrice × cyclesPerYear × years
ledTotal = ledKitPrice + (refillPrice × refillsPerYear × years)
traysTotal = traysInitial + (gelPerYear × max(0, years − 1))
zoomTotal = pricePerSession × sessionsOverHorizon
perYear = methodTotal / years
savings = max(totals) − min(totals)2026 teeth whitening costs by method
Using 2026 US data: strips (e.g. Crest 3D Whitestrips) run about $20-$60 a kit; at-home LED kits about $30-$50 plus $25-$30 refill pods; dentist custom take-home trays $150-$600 with gel refills after; and in-office Zoom $300-$1,000 (premium up to about $1,500). None of these is covered by dental insurance because whitening is cosmetic. See the industry pricing and ADA guidance we track for how these ranges are sourced.
Whitening strips vs dentist: cost over 5 years
Per kit, strips are the lowest upfront cost. Over five years the gap narrows because strips are repurchased two to four times a year, but the running total typically stays well below repeat in-office sessions. Adjust the cycles-per-year field to match how often you'd touch up.
Dentist take-home trays vs in-office Zoom
Take-home trays usually win on multi-year cost: you pay $150-$600 once, then only gel refills. In-office Zoom front-loads a single $300-$1,000 visit and adds up fast if you redo it every year or two as results fade. The session-count field lets you model your own redo cadence.
Cost per year of results, not per shade
It is tempting to reduce whitening to a cost-per-shade number, but shade gains vary too much by person, product and starting point to promise. A more honest lens is cost per year of results: professional treatments cost more up front yet tend to last longer per treatment, so their yearly cost can stay competitive with strips repurchased several times a year. Our strips-vs-dentist review roundup digs into that trade-off. This calculator stays on dollars spent, never shade outcomes.
When at-home whitening is NOT the cheapest route
If you only ever do one in-office visit and never touch it up, a single Zoom session can be comparable to years of strip repurchases for some people. And if you'd buy a pricey LED kit with frequent refills, its running cost can approach take-home trays. Plug in your own numbers to see where the lines cross. Remember, this compares cost only, not whether a method is right for you.
