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Renting & taxHong Kong Tenancy Stamp Duty Calculator
Estimate residential tenancy stamp duty with the IRD rate band, rounding, copy fee and landlord-tenant split shown separately.
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6 itemsMoney, work & life planning
Clear numbers for product pricing, leave, mortgage, retirement and tax decisions.
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Small businessSmall Business Landed Cost, Discount Floor & Margin Calculator
Turn itemised landed cost into break-even, target-margin and cost-risk scenarios without uploading business data.
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Work & travel planningHong Kong 2027 Annual Leave Bridge Planner
Rank leave bridges by Hong Kong holiday system, workweek and leave budget using official 2027 dates.
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Property & financeHong Kong Mortgage Repayment & Affordability Calculator
Estimate monthly repayments, stress scenarios, debt-to-income risk and a practical affordability range.
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Retirement planningHong Kong MPF Retirement Gap Calculator
Project MPF savings, retirement needs, funding gap and the extra monthly saving required.
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Tax & budgetingHong Kong Salaries Tax Calculator
Compare progressive and standard rates, allowances, deductions, scenarios and a monthly tax reserve.
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5 itemsHome, moving & improvement planning
Plan important home decisions, from moving dates and flooring or grout orders to paint quantity.
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Home renovationRoom Lighting Lux, Lumen & Fixture Planner
Turn room area and a chosen illuminance target into maintained lumens, fixture count and a transparent spacing sketch.
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Home renovationTile Grout Quantity, Pack Count & Cost Calculator
Compare transparent joint geometry with exact product coverage, whole packs, surplus and entered HKD cost.
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Home renovationInterior Paint Calculator: Litres, Tins & Cost
Calculate wall and ceiling paint litres from metric room dimensions, compare coverage scenarios and find the lowest-cost tin mix.
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Home renovationFlooring Quantity, Full-box & Leftover Cost Planner
Combine rooms, exclusions, editable waste, exact carton coverage and cost in one transparent order report.
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Home & movingHong Kong Moving Date & Readiness Planner
Rank traditional date references, compare practical preferences, and build an official-source moving checklist.
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9 itemsAppliances, entertainment & energy
Compare TV size, air-conditioning and dehumidifier capacity, appliance energy and domestic water costs.
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Home appliancesBathroom Exhaust Fan CFM, Duct & Installation Planner
Combine HVI room demand with the entered duct path and an exact fan-curve verification checklist.
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Home appliancesStorage Water Heater Shower Duration, Mixing & Recovery Planner
Model mixed-water endurance, heater recovery, consecutive showers and an entered manufacturer FHR.
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Home appliancesCeiling Fan Size, Airflow & Clearance Planner
Compare ENERGY STAR room-area guidance, airflow efficiency and floor or wall clearance before choosing a ceiling fan.
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Energy & budgetHong Kong EV Charging Time & Cost Planner
Estimate wall energy, charging time, CLP off-peak or peak cost and the final state of charge within available hours.
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Home appliancesHong Kong Dehumidifier Capacity & Running Cost Planner
Compare a sourced capacity band, Hong Kong energy-label context and editable HKD operating-cost scenarios.
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Home utilitiesHong Kong Water Bill Calculator (Water & Sewage)
Estimate Hong Kong domestic water and sewage charges from consumption and meter-reading days, with WSD tier breakdowns and usage scenarios.
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Home entertainmentHong Kong TV Size & Viewing Distance Calculator
Compare comfortable TV sizes, viewing angles, physical dimensions and wall fit in one detailed report.
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Cooling & installationHong Kong Air Conditioner BTU Calculator
Estimate BTU, approximate horsepower, load scenarios, risks and installation checks for Hong Kong rooms.
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Energy & budgetHong Kong Appliance Electricity Cost Comparator
Compare up to three appliances by energy, annual cost, usage scenarios, ownership cost and payback.
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4 itemsDigital production & accessibility
Plan video files, photo printing and WCAG colour contrast with transparent calculations.
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Digital productivityPoE Switch Per-Port, Total Budget & Failure-Headroom Planner
Check mixed PoE devices against per-port class, powered ports, total budget, reserve and failure priority.
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Digital productivityVideo Bitrate, File Size & Upload Time Calculator
Calculate forward/reverse bitrate, MB versus MiB, upload-speed scenarios and a dated YouTube SDR reference without uploading a file.
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Digital productivityWCAG Color Contrast Checker & Minimum-Fix Planner
Calculate the WCAG 2.2 ratio, five thresholds and deterministic foreground alternatives toward black or white.
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Digital productivityPhoto Print PPI, Crop & Maximum Size Checker
Check effective PPI after fit or fill, quantify crop loss and compare maximum print-size scenarios without uploading an image.
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Free games
3 itemsAction & arena games
Instant survival, shooting and arena challenges.
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Zombie survivalDisaster Escape 3D: Zombie City
A third-person 3D zombie survival rescue game with ten city missions, disasters, manual aiming, upgrades and boss fights.
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Tank survivalTank Survivors Online
A 3D tank survival arena with waves, upgrades, boss fights and free-for-all PvPvE scoring. Playable on desktop, tablet and mobile.
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Arcade shooterGalaxy Fighter: Endless Abyss
A fast-paced browser space shooter with endless waves, upgrades and boss battles. The game interface is in Traditional Chinese.
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3 itemsCasual & puzzle games
Memory, number and word games for a quick mental break.
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MemorySpark Match
A calm, quick memory game designed for a two-minute mental reset on desktop or mobile.
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NumbersQuick Number
Short number challenges with an adjustable pace and a distraction-free interface.
Planned
Coming soon
WordsWord Grid
A compact word puzzle designed for short breaks and repeat play.
Planned
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