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máy tính

Everyday calculators, percentage, BMI and more

Select a tool below. Every tool runs locally in your browser and is free to use.

🧮 máy tính · Total 66 tools

AC Size CalculatorEstimate the cooling capacity (BTU/W/HP) needed for a room. Estimates AC tonnage by room area, height and insulation, metric/imperial. Algeria Irp CalculatorAlgeria Irp Calculator: enter key parameters for quick estimate, built for overseas users. Argentina Aguinaldo CalculatorArgentina Aguinaldo Calculator: enter key parameters for quick estimate, built for overseas users. Argentina Ganancias CalculatorArgentina Ganancias Calculator: enter key parameters for quick estimate, built for overseas users. Aspect Ratio CalculatorAspect ratio calculator: get ratio from width and height with common presets and preview for design and video, with one-click copy, offline. Australia Super Guarantee CalculatorAustralia Super Guarantee Calculator: enter key parameters for quick estimate, built for overseas users. Austria Income Tax CalculatorAustria Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Bangladesh Provident Fund CalculatorBangladesh Provident Fund Calculator: enter key parameters for quick estimate, built for overseas users. Beer Calorie CalculatorBeer calorie calculator: get calories from ABV and volume with multi-brand compare for fitness and diet, with one-click copy, offline. Belgium Income Tax CalculatorBelgium Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Video Bitrate CalculatorBitrate calculator: get bitrate and file size from resolution, fps and duration with recommended settings for video and live, with one-click copy, offline. Brazil Fgts CalculatorBrazil Fgts Calculator: enter key parameters for quick estimate, built for overseas users. Cambodia Salary Tax CalculatorCambodia Salary Tax Calculator: enter key parameters for quick estimate, built for overseas users. Cost Of Living Index CalculatorCost Of Living Index Calculator: enter key parameters for quick estimate, built for overseas users. Costa Rica Renta CalculatorCosta Rica Renta Calculator: enter key parameters for quick estimate, built for overseas users. Cylinder Volume CalculatorCylinder volume: enter radius and height to get volume, surface area and capacity in L/gallons. Supports batch processing, export and one-click copy. Máy tính ngày dự sinhDue date calculator: estimate due date, gestational weeks and checkup schedule by last period or conception with lunar and reminders for pregnancy. Máy tính tiền điệnElectricity cost calculator: estimate cost from power and time and reverse from budget for home, with one-click copy and offline. EV Charging Time CalculatorEV charging calculator: enter capacity, power and price to estimate time, cost and range gain with multi-model comparison for EV planning. Flooring CalculatorFlooring calculator: enter room and board size to get boards needed, waste and cost with herringbone and straight lay for renovation. Máy tính phân sốFraction calculator: add, subtract, multiply and divide fractions with simplification, mixed numbers and decimal conversion for math. France Csg Crds CalculatorFrance Csg Crds Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính chi phí tiêu hao nhiên liệuFuel cost calculator: get one-way and round-trip fuel cost and cost per 100km by distance, consumption and price for road trips. Gear Ratio CalculatorGear ratio calculator: get ratio, speed and torque by driving and driven teeth for mechanical design and bike gearing. Supports batch processing and one-click copy. Germany Income Tax CalculatorGermany Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Greece Income Tax CalculatorGreece Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Japan Social Insurance CalculatorJapan Social Insurance Calculator: enter key parameters for quick estimate, built for overseas users. Jordan Income Tax CalculatorJordan Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Kenya Nhif CalculatorKenya Nhif Calculator: enter key parameters for quick estimate, built for overseas users. Malaysia Epf CalculatorMalaysia Epf Calculator: enter key parameters for quick estimate, built for overseas users. Morocco Cnss CalculatorMorocco Cnss Calculator: enter key parameters for quick estimate, built for overseas users. Nigeria Pension CalculatorNigeria Pension Calculator: enter key parameters for quick estimate, built for overseas users. Nonresident Withholding CalculatorNonresident Withholding Calculator: enter key parameters for quick estimate, built for overseas users. Number Abbreviation FormatterNumber prefix formatter: format large numbers in K, M or scientific with prefix and locale separators for reports, with one-click copy and offline save. Máy tính định luật OhmOhm's law calculator: enter any two of voltage, current, resistance to get third and power with formula for design, with copy, offline and history. Oman Gratuity CalculatorOman Gratuity Calculator: enter key parameters for quick estimate, built for overseas users. Overseas Allowance Tax CalculatorOverseas Allowance Tax Calculator: enter key parameters for quick estimate, built for overseas users. Overseas Remittance Fee CalculatorOverseas Remittance Fee Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính ngày rụng trứngOvulation calculator: estimate ovulation, fertile window and next period from last period and cycle with calendar for planning, private offline and multilingual. Pakistan Income Tax CalculatorPakistan Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Panama Xiii Mes CalculatorPanama Xiii Mes Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính tuổi thú cưngPet age calculator: convert cat and dog age to human age by species with stage and health tips and breed tweak for pet care, with one-click copy, offline. Poland Zus CalculatorPoland Zus Calculator: enter key parameters for quick estimate, built for overseas users. Qatar Income Tax CalculatorQatar Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Rice to Water RatioRice water ratio calculator: recommend ratio and water by rice type and texture with servings and pot fit for cooking, with one-click copy, offline and multilingual. Rwanda Paye CalculatorRwanda Paye Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính khoa họcScientific calculator: support trig, exp, log and factorial with history and formulas for study and engineering, with one-click copy, offline and multilingual. Screen PPI CalculatorScreen PPI calculator: calculate PPI, pixel density and aspect ratio from resolution and diagonal inches for purchase and design, with one-click copy and offline. Singapore Cpf CalculatorSingapore Cpf Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính chu kỳ giấc ngủSleep cycle calculator: get best bedtimes from wake-up time using 90-min cycles with count for health, one-click copy and offline. Garden Soil CalculatorSoil calculator: get volume, weight and bags from length width depth with unit conversion for gardening and construction, with one-click copy, with one-click copy,. Speed Distance Time CalculatorSpeed distance time calculator: choose target and enter other two to calculate with multiple units for travel and sports, with one-click copy and offline. Thailand Withholding Tax CalculatorThailand Withholding Tax Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính tiền boaTip calculator: calculate tip, total and per-person share from bill and tip percent with tax for dining, with one-click copy and offline. Uk National Insurance CalculatorUk National Insurance Calculator: enter key parameters for quick estimate, built for overseas users. Uk Student Loan Repayment CalculatorUk Student Loan Repayment Calculator: enter key parameters for quick estimate, built for overseas users. Us Capital Gains Tax CalculatorUs Capital Gains Tax Calculator: enter key parameters for quick estimate, built for overseas users. Us Fica Tax CalculatorUs Fica Tax Calculator: enter key parameters for quick estimate, built for overseas users. Us Property Tax CalculatorUs Property Tax Calculator: enter key parameters for quick estimate, built for overseas users. Us Rental Income Tax CalculatorUs Rental Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. Us Rsu Tax CalculatorUs Rsu Tax Calculator: enter key parameters for quick estimate, built for overseas users. Us Unemployment Benefits CalculatorUs Unemployment Benefits Calculator: enter key parameters for quick estimate, built for overseas users. Venezuela Islr CalculatorVenezuela Islr Calculator: enter key parameters for quick estimate, built for overseas users. Vietnam Social Insurance CalculatorVietnam Social Insurance Calculator: enter key parameters for quick estimate, built for overseas users. Visa Income Requirement CalculatorVisa Income Requirement Calculator: enter key parameters for quick estimate, built for overseas users. Máy tính trung bình có trọng sốWeighted average calculator: get weighted average from values and weights with formula and contribution for grades and investment, with one-click copy, offline.

FAQ

What is the máy tính category?

The máy tính category includes 66 free online tools for common needs. All run locally in your browser - no sign-up or install required.

Are these tools free?

Yes, all tools are free with no usage limits.

Do I need to register?

No. Open a page and use it right away - your data stays in your browser.

Which languages are supported?

This site supports 12 languages: Chinese, English, Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, Indonesian and Hindi.