Categories
Home & bills
Tools for household costs in Thailand: electricity and water bills charged on progressive tiers, choosing an air conditioner sized for your room, and the fees due on the day a house or plot of land changes hands.
18 tools in this category
Air Conditioner Size Calculator (BTU)
Work out how many BTU your room needs, get the nearest standard unit size sold in Thailand, and estimate the monthly running cost.
Appliance Energy Cost Calculator
Estimate an appliance’s energy use and cost from watts, daily operating hours, days and quantity. Compare usage choices using your own electricity rate.
Thai Property Agent Commission Calculator
Work out a property agent's commission from the sale price and agreed rate, add VAT if the agent is registered, deduct 3% withholding when the payer is a company, and split a share with a co-agent.
Concrete Volume Calculator
Calculate concrete volume in cubic metres for slabs, beams, footings or round columns, add a waste allowance and estimate the ready-mix cost from a price per cubic metre.
Condo Common Fee and Sinking Fund Calculator
Work out the monthly common fee, the fee paid in advance and the sinking fund due on condominium transfer day, from the unit area and the per-square-metre rates set by the juristic person.
Thailand Electricity Bill Calculator
A Thai home electricity bill on the tiered tariff — service charge, Ft and 7% VAT included, at MEA rates for the September 2026 cycle onward.
House Construction Budget Calculator
Estimate a house building budget from floor area and construction price per square metre, including design, permits, fencing and external works and a contingency, to plan funds and compare contractor quotes.
Thailand Land and Building Tax Calculator
Work out Thai land and building tax from the government appraised value, by type of use, with the 50 million baht main-home exemption applied automatically and the banded rates of the Royal Decree — not a single rate on the whole value.
Paint and Tile Quantity Calculator
Work out how much paint or how many floor tiles a room needs, with door and window areas deducted and a waste allowance included.
Thailand Property Transfer Fee Calculator
Transfer fee, specific business tax, stamp duty and mortgage fee due at the Land Office — plus why the 0.01% reduction is for Thai nationals only.
Rent vs Buy Calculator
Compare your wealth after buying with a mortgage versus renting and investing the down payment and monthly difference, including purchase costs, upkeep, rent increases, home prices and selling costs.
Thai Rental Room Electricity and Water Charge Calculator
Work out the maximum electricity and water rates a residential landlord may charge from its own utility bills, multiply by your room's sub-meter units and compare with the rate you are charged.
Rental Yield Calculator
Find gross and net rental yield for a condo or house, including vacant months, common fees, repairs, taxes and a simple payback period.
Solar Rooftop Payback Calculator
Estimate generation, bill savings, surplus export income and payback for a home rooftop solar system, using the public residential buyback rate as a default.
Subscription Cost Calculator
Add recurring app, streaming and software costs. Convert annual bills to monthly averages and estimate multi-year spending and cancellation savings.
Thailand Living and Move-In Budget
Plan monthly living costs in Thailand and cash needed to move in. Separate first rent, deposits, advance rent, setup and reserves, then compare income and savings.
Unit Price Comparison
Compare two product sizes or multipacks using final price, quantity per item and item count. See unit prices and the percentage difference.
Thailand Water Bill Calculator
Enter your cubic metres: MWA tiered rates, the monthly service charge by meter size and 7% VAT. Covers Bangkok, Nonthaburi and Samut Prakan.