Calculators · what the gaps cost you

See exactly what the leaks cost — in your own numbers.

Ten calculators built on the sourced benchmarks in this platform — five revenue-leak models and five planning tools. Put in your property's figures and watch capture, no-shows, idle rooms, budgets and staffing turn into numbers you can act on.

Ten calculators

Pick a leak. Put in your numbers. See the annual cost.

Every default is a real, cited benchmark — the same no-fabrication rule as the rest of the platform. Change any figure to match your property; the result and the combined picture update instantly. Nothing is sent anywhere — the maths runs in your browser.

Calculator 01

Spa Capture Rate — Revenue on the Table

Most hotel guests walk past the spa they paid to build. Price the gap between your capture rate and a wellness-focused property's — that is the revenue you forgo every year.

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Calculator 02

No-Show & Cancellation Loss

Every no-show is a slot you can never resell. See the dollars walking out the door — and how much automated reminders, deposits and a waitlist win back.

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Calculator 03

Idle Treatment Room Capacity

Treatment-room capacity is perishable — an unsold hour never comes back. See the dollars sitting idle and the upside of lifting utilisation toward the profitable band.

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Calculator 04

After-Hours & Missed-Call Booking Loss

Half of spa bookings happen after the desk closes and 37% of calls go unanswered. See what evaporates or defects to a commissioned OTA — and what a 24/7 channel recovers.

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Calculator 05

Marketplace Commission Drain

Every marketplace booking takes a percentage cut — forever. See the annual drain, how it compares to a flat subscription, and the volume where the flat fee wins.

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Calculator 06

Annual Spa Budget Planner

Turn treatment rooms, hours and a utilisation target into a full-year revenue budget with a peak/off-peak split and the payroll envelope it implies.

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Calculator 07

Spa Opening Feasibility — Investment Envelope

Model a planned hotel spa from rooms, occupancy and a capture rate for your property type — and get the investment envelope the business case supports at industry payback speeds.

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Calculator 08

Wellness Positioning ROI

US wellness-positioned hotels out-earn conventional ones by 67.5% in total revenue per occupied room. Price that premium for your property.

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Calculator 09

Benchmark — My Spa vs the Market

Enter your capture, no-show, utilisation, revenue per visit and retail share — see the gap to the published benchmark on every one, in points.

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Calculator 10

Therapist Staffing & Labor Budget

Turn rooms, hours and utilisation targets into the therapist headcount you actually need — and the weekly labor budget that keeps payroll at the industry share.

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Calculator 01 · The guests who never book your spa

Spa Capture Rate — Revenue on the Table

Most hotel guests walk past the spa they paid to build. This calculator turns your room nights and capture rate into hard dollars — what your spa earns today versus what it would earn if you converted guests like a wellness-focused property. The gap between them is the revenue sitting on the table every single year.

Your numbers

Rooms in the property
AURI models a 200-room hotel as the reference property (AURI 2026).
Average occupancy
%
Share of room-nights sold across the year — use your own ADR-period average.
Current spa capture rate
%
Global avg 16.2% — Intelligent Spas (2019). City hotels 3-8%, resorts 8-12%, Gulf 1-4%.
Target spa capture rate
%
Destination resorts hit 20-35%; integrated-wellness properties 25-35% — Lumina / Horwath HTL (2026).
Average treatment value
$
AURI models $130; US spa revenue per visit $123.10 — ISPA/PwC (2025).
Spa gross margin
%
Hotel spa treatments run 65-75% gross margin — AURI (2026).

Calculator 02 · Empty chairs are perishable revenue

No-Show & Cancellation Loss

Every no-show is a treatment slot you can never sell again. This calculator turns your weekly bookings and current no-show rate into the dollars walking out the door each year — then shows how much automated reminders, waitlists and deposits could win back by pulling your no-show rate down toward the proven with-automation benchmark.

Your numbers

Appointments booked per week
All treatment bookings across the property in a typical week. 52 weeks/year assumed.
Average treatment value
$
US spa revenue per visit $123.10 — ISPA Big Five (2025). Enter your own to capture local pricing.
Current no-show rate
%
~25% without reminders; regional 15.8% W. Europe, 12.1% Asia-Pacific — Horwath HTL/CBRE (2024), Attenda (2026).
Achievable no-show rate with automation
%
Reminders pull no-shows to 8-12%; reminders + deposits reach under 5%. We default to a conservative 10% — Horwath HTL/CBRE (2024), Industry (2026).

Calculator 03 · Every empty room-hour is gone forever

Idle Treatment Room Capacity

Treatment-room capacity is perishable — an unsold hour is revenue you can never sell again. Enter your room count, hours and current utilisation to see the dollars sitting idle every year, and exactly how much you would gain by lifting utilisation toward the 40-60% band that the most profitable spas hit (Horwath HTL). The model is deliberately conservative: it only counts the realistic gap to your own target, not the theoretical full house.

Your numbers

Treatment rooms
Gulf hotel spas at low capture often run 10-20+ rooms (Colliers).
Hours open per day
Trading hours a room is available to be sold each day.
Days open per year
Operating days per year (360 ≈ closed ~5 days).
Current room utilisation
%
Even successful spas sit at 40-60%; Gulf spas just 11-24% — Horwath HTL; Colliers/PwC.
Target room utilisation
%
Top of the profitable band is 60%; >75% is excellent — Horwath HTL.
Revenue per treatment hour (RevPATH)
$
Cited range $66-114/h; US & UAE luxury target $100-180 — Horwath HTL/CBRE.

Calculator 04 · Demand that arrives when nobody answers

After-Hours & Missed-Call Booking Loss

Roughly half of spa bookings happen outside business hours, and 37% of calls go unanswered — when there's no 24/7 online channel, that demand evaporates or defects to a commissioned OTA. This calculator turns your weekly booking demand into the dollars-per-year you could recover by owning an always-on booking channel. It counts after-hours and business-hours missed-call demand as separate pools, so nothing is double-counted.

Your numbers

Weekly booking attempts (demand)
All booking attempts per week — calls, walk-ups, online tries. If unsure, use ~1.3x your weekly bookings.
Average treatment value
$
Your average per-booking revenue; this captures local pricing.
% of demand after-hours
%
46-51% of spa bookings happen outside business hours — Mindbody/Trybe, Zenoti, Phorest.
% of after-hours demand currently lost
%
Without 24/7 booking, after-hours demand evaporates or defects to an OTA — 78% of voicemail callers rebook via an OTA (Phocuswright).
% of business-hours calls unanswered
%
37% of calls to salons/spas go unanswered; 82% of those during business hours — Zenoti.
% recoverable with online booking
%
Conservative share you'd recapture with always-on booking; 71% of clients prefer booking online — Zenoti.

Calculator 05 · Per-booking cuts vs one flat fee

Marketplace Commission Drain

Every booking that comes through a marketplace or OTA takes a percentage cut — and the more you sell, the more you pay, forever. This calculator shows what those per-booking commissions drain from you each year, how that compares to a single flat platform subscription, and the exact monthly volume where the flat fee starts winning.

Your numbers

Marketplace / OTA bookings per month
How many bookings arrive through commission-charging channels each month.
Average booking value
$
Your average treatment or stay value per booking — captures your local pricing.
Commission rate
%
OTA commission typically 15-25%; Treatwell 35% on new clients, Fresha 20% on first appointment (2026).
Your flat monthly platform fee
$
Your estimate for a flat plan you'd pay instead of commissions. Comparison point: Mindbody from $99/mo (2026).

Calculator 06 · Twelve months, planned from benchmarks

Annual Spa Budget Planner

A spa budget usually starts as a guess. This planner starts from your capacity instead: treatment rooms, operating hours and the utilisation you plan to run at, priced at a benchmarked RevPATH. It returns the annual treatment-revenue budget, splits it into peak and off-peak months using the documented seasonal demand drop, and sizes the labor budget at the industry share of revenue.

Your numbers

Treatment rooms
Gulf hotel spas run 10-20+ treatment rooms — Colliers Spa Benchmark (2015-2018).
Operating hours per day
Bookable hours per treatment room per day.
Days open per year
Days the spa sells treatments in a year.
Planned room utilisation
%
Most profitable hotel spas run 40-60% treatment-room utilisation — Horwath HTL (2024).
Revenue per treatment-room hour (RevPATH)
$
Industry RevPATH benchmark $100-180 per available treatment-room hour — Horwath HTL / CBRE (2024).
Labor share of revenue
%
Spa labor cost averages 49% of revenue (range 30-60%) — ISPA/PwC (2015), Horwath HTL / CBRE (2024).
Peak-season months
Months you consider peak; off-peak demand can drop up to 30% — Industry (2026).

Calculator 07 · What a new spa can afford to cost

Spa Opening Feasibility — Investment Envelope

There is no honest public benchmark for what a spa costs to build — so this planner inverts the question. It models the revenue a planned spa would generate from your room count, occupancy and a capture rate typical for your property type, then applies the documented 3-6 year payback band for physical spa investments to show how much capital the business case can carry. If your build quote fits inside the envelope, the numbers work.

Your numbers

Rooms in the property
Keys in the hotel the spa will serve.
Average occupancy
%
Mexican five-star hotels average 76%, peaking at 82.9% Jan-Apr — Horwath HTL (2024).
Planned spa capture rate
%
Global average 16.2% — Intelligent Spas (2019). City 3-8%, resorts 8-12%, destination 20-35%, wellness resorts 50-70% — Lumina / Horwath HTL (2026).
Average treatment value
$
US spa revenue per visit $123.10 — ISPA/PwC (2025).
Treatment rooms planned
Gulf hotel spas run 10-20+ treatment rooms — Colliers Spa Benchmark (2015-2018).
Operating margin
%
Margin after labor (~49% of revenue) and other operating costs — ISPA/PwC (2015). Adjust to your own model.

Calculator 08 · What wellness is worth to the asset

Wellness Positioning ROI

Wellness is not a spa amenity line — it is a positioning premium on the whole asset. US wellness-focused hotels earn $561 in total revenue per occupied room against $335 at conventional hotels, a 67.5% premium, with 56% of major wellness hotels' revenue coming from outside the room rate. This tool applies that premium to your property so owners and investors can see the annual revenue difference wellness positioning represents.

Your numbers

Rooms in the property
Keys in the property being repositioned.
Average occupancy
%
Share of room-nights sold across the year.
Current total revenue per occupied room (TRevPOR)
$
US conventional-hotel benchmark $335 TRevPOR — RLA Global / HotStats (2025).
Wellness revenue premium
%
US wellness hotels: $561 vs $335 TRevPOR, a 67.5% premium — RLA Global / HotStats (2025).

Calculator 09 · Your KPI against the cited benchmarks

Benchmark — My Spa vs the Market

Five KPIs decide most of a spa's economics. Enter yours and this tool scores each against the published benchmark: global capture average, the with-automation no-show band, the profitable utilisation band, the US revenue-per-visit average and the retail best-practice share. Positive gaps mark headroom; a negative gap means you already beat the benchmark.

Your numbers

Your spa capture rate
%
Global average 16.2% — Intelligent Spas (2019); by type: city 3-8%, resorts 8-12%, destination 20-35% — Lumina / Horwath HTL (2026).
Your no-show rate
%
25% without reminders; 8-12% with automation — Horwath HTL / CBRE (2024). W. Europe 15.8%, APAC 12.1% — Attenda (2026).
Your treatment-room utilisation
%
Profitable band 40-60%; over 75% excellent, under 30% below standard — Horwath HTL (2024).
Your revenue per visit
$
US average $123.10 (2025); hotel/resort spas $190, day spas $108 — ISPA/PwC (2025).
Your retail share of revenue
%
Best practice 15-30% of service revenue; industry attach average ~10% — CBRE (2024, 2015).

Calculator 10 · Headcount from capacity, not guesswork

Therapist Staffing & Labor Budget

Overstaffing burns the largest cost line in the spa; understaffing burns the calendar. This planner converts your planned room capacity into treatments per week, then into therapist headcount at a benchmarked therapist-utilisation rate, and prices the payroll envelope at the industry labor share of revenue.

Your numbers

Treatment rooms
Rooms in service.
Operating hours per day
Bookable hours per room per day.
Days open per week
Days the spa operates each week.
Planned room utilisation
%
Profitable band 40-60% — Horwath HTL (2024). A 10-room spa delivering 45 treatments/day runs ~45% of a 100-treatment capacity — Horwath HTL (2020).
Average treatment length (min)
Scheduled minutes per treatment, before turnover.
Turnover between treatments (min)
Optimal turnover buffer 7-10 minutes — SparkAlz (2026).
Therapist hours per week
Contracted hours per therapist per week.
Therapist utilisation
%
Optimal therapist utilisation 75-85% (luxury 70-80%); below 50% signals overstaffing — Horwath HTL (2026, 2020).
Average treatment value
$
US spa revenue per visit $123.10 — ISPA/PwC (2025).

The full picture

Your revenue leakage, added up

Spa Capture Rate — Revenue on the Tablefrom low spa capture
No-Show & Cancellation Lossrecoverable no-shows
Idle Treatment Room Capacityfrom lifting utilisation
After-Hours & Missed-Call Booking Lossafter-hours & missed calls
Marketplace Commission Drainsaved vs commissions
Illustrative combined opportunity / year

These five leaks overlap — lifting capture also fills idle treatment rooms, and after-hours demand feeds both — so the combined figure is the size of the opportunity, not a sum to bank precisely. Even the most conservative single lever is usually six figures a year. Every number updates live as you adjust the calculators above.

From a number to a fix

Every figure here maps to a fix you can ship.

These calculators quantify the gaps; the Solutions & AURI view connects each one to the capability that closes it — frictionless booking, automated reminders, resource-aware scheduling, a 24/7 channel on your own domain, and zero-commission pricing. Bring your numbers; we'll show you the path.

Talk through your numbers