جميع الأدوات

آلات حاسبة ومحولات مجانية عبر الإنترنت

آلات حاسبة ومحولات فورية. احسب مؤشر كتلة الجسم والنسب المئوية وحوّل العملات والمزيد — مجانًا.

حاسبة النسبة المئوية

احسب النسب المئوية بسهولة. اعثر على النسبة المئوية لرقم والتغيير المئوي والزيادة والنقصان وتحويلات النسب.

What is X% of Y calculationPercentage change between two numbers

حاسبة العمر

احسب عمرك الدقيق بالسنوات والأشهر والأيام والساعات والدقائق. اعثر على العمر بين أي تاريخين بدقة تامة.

Exact age in years, months, and daysAge in total days, hours, and minutes

حاسبة مؤشر كتلة الجسم

احسب مؤشر كتلة جسمك باستخدام الطول والوزن. احصل على فئة مؤشر الكتلة ونطاق الوزن الصحي ومعلومات صحية.

BMI calculation with metric and imperial unitsBMI category classification

محوّل الوحدات

حوّل بين وحدات الطول والوزن والحجم والمساحة والمزيد. أداة شاملة لتحويل الوحدات مع أكثر من 100 وحدة.

Length, weight, volume, area, and speed conversionsOver 100 units across 10 categories

محوّل السرعة

حوّل بين وحدات السرعة مثل ميل/ساعة وكم/ساعة والعقدة وم/ث. احسب تحويلات السرعة لأي قياس سرعة.

Convert between 8+ speed unitsMiles per hour, km/h, knots, m/s, and more

محوّل تخزين البيانات

حوّل بين وحدات تخزين البيانات. احسب البايتات وKB وMB وGB وTB والمزيد مع خيارات ثنائية وعشرية.

Binary (1024) and decimal (1000) base optionsBits through exabytes and beyond

محوّل أنظمة الأرقام

حوّل بين الأنظمة العشرية والثنائية والثمانية والسداسية عشرية. ترجم الأرقام بين القواعد المختلفة فوراً.

Decimal, binary, octal, and hexadecimal conversionCustom base conversion (base 2 through 36)

محوّل الأرقام الرومانية

حوّل بين الأرقام الرومانية والأرقام العربية. ترجم الأرقام إلى التنسيق الروماني والعكس فوراً.

Arabic to Roman numeral conversionRoman to Arabic number conversion

محوّل درجات الحرارة

حوّل بين سلسيوس وفهرنهايت وكلفن. تحويل فوري لدرجات الحرارة مع عرض الصيغ الرياضية.

Celsius, Fahrenheit, and Kelvin conversionRankine and Réaumur scales included

محوّل المناطق الزمنية

حوّل الأوقات بين المناطق الزمنية حول العالم. جدوِل الاجتماعات عبر المناطق الزمنية باستخدام أداة التحويل السهلة هذه.

Convert between 400+ time zonesVisual time comparison across zones

محوّل العملات

حوّل بين عملات العالم بأسعار صرف حية. احسب تحويلات العملات لأكثر من 150 عملة فوراً.

150+ world currencies supportedReal-time exchange rate data

حاسبة القروض/الأقساط

احسب القسط الشهري ومجموع الفوائد وجدول الاستهلاك. خطط للرهون العقارية وقروض السيارات والقروض الشخصية بسهولة.

Monthly EMI calculationTotal interest and total payment amounts

حاسبة الخصومات

احسب أسعار البيع والتوفير من الخصومات المئوية. اعثر على السعر النهائي بعد خصم واحد أو عدة خصومات.

Calculate discounted price from percentage offChain multiple discounts together

حاسبة البقشيش

احسب البقشيش وقسّم الفواتير بسهولة. حدّد مبالغ البقشيش وحصص الأفراد والتكاليف الإجمالية لأي حجم مجموعة.

Calculate tip at any percentageSplit bill among any number of people

حاسبة المعدل التراكمي

احسب معدلك التراكمي من الدرجات والساعات المعتمدة. يدعم حسابات المعدل بمقياس 4.0 والمعدل الموزون والتراكمي.

Standard 4.0 scale GPA calculationWeighted GPA with credit hours

محوّل رموز الألوان

حوّل رموز الألوان بين HEX وRGB وHSL وCMYK. ترجم أي قيمة لونية إلى أنظمة ألوان أخرى.

HEX, RGB, HSL, HSV, and CMYK conversionsLive color preview swatch

حاسبة نسبة العرض إلى الارتفاع

احسب نسب العرض إلى الارتفاع للصور والفيديو. اعثر على الأبعاد مع الحفاظ على التناسب لأي شاشة أو وسائط.

Calculate ratio from any width and heightResize dimensions maintaining ratio

حاسبة تكلفة الكهرباء

احسب تكاليف الكهرباء للأجهزة المنزلية والإلكترونية. قدّر استهلاك الطاقة وفواتير الكهرباء الشهرية بسهولة.

Calculate cost from watts and usage hoursDaily, monthly, and yearly cost projections

حاسبة تكلفة الوقود

احسب تكاليف الوقود لأي رحلة. قدّر نفقات البنزين بناءً على المسافة وكفاءة استهلاك الوقود والأسعار الحالية.

Trip cost based on distance and fuel priceMPG and L/100km fuel efficiency input

حاسبة الفرق بين التواريخ

احسب الفرق الدقيق بين تاريخين. اعثر على الأيام والأسابيع والأشهر والسنوات بين أي تاريخين بسهولة.

Difference in years, months, weeks, and daysTotal days, hours, and minutes between dates

Salary to Hourly Calculator

Convert annual salary to hourly wage, or hourly rate to annual salary. See your pay broken down by hour, day, week, month, and year.

Salary to hourly rate conversionHourly to annual salary conversion

Sales Tax Calculator

Calculate sales tax and total price from any pre-tax amount. Or remove tax from a total to find the original price. Includes all US state tax rates.

Add tax to a price instantlyRemove tax from a total (reverse calculation)

Scientific Notation Calculator

Convert numbers to and from scientific notation. Multiply, divide, add, and subtract numbers in scientific notation with step-by-step solutions.

Convert standard numbers to scientific notationConvert scientific notation to standard form

Square Root Calculator

Calculate the square root, cube root, or any nth root of a number instantly. Also computes squares, cubes, and shows nearby perfect squares.

Square root of any numberCube root calculation

Grade Calculator

Calculate your test grade as a percentage and letter grade. Also compute weighted course grades and find out what score you need on a final exam.

Test grade: points to percentage and letter gradeCourse grade: weighted average of multiple assignments

ROI Calculator

Calculate return on investment (ROI) as a percentage. Enter your initial investment and final value to see net profit, ROI, and annualized returns.

ROI percentage calculationNet profit and final value display

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) and daily calorie needs at different activity levels using the Mifflin-St Jeor equation.

BMR using Mifflin-St Jeor formulaTDEE at 5 activity levels

Calorie Calculator

Calculate your daily calorie needs based on your stats, activity level, and weight goal. Get macro breakdowns and projected weight change.

Daily calorie target based on goalSix weight goals from lose 2 lbs to gain 1 lb/week

Ideal Weight Calculator

Calculate your ideal body weight using four medical formulas: Hamwi, Devine, Robinson, and Miller. See results in kg and lbs plus healthy BMI range.

Four ideal weight formulas comparedHamwi, Devine, Robinson, and Miller formulas

Body Fat Calculator

Estimate your body fat percentage using the US Navy method with body measurements. Shows fat mass, lean mass, and body fat category.

US Navy body fat formulaSeparate male and female formulas

Calorie Deficit Calculator

Calculate the daily calorie deficit needed to reach your weight loss goal. Set a time target or weekly loss rate and see your projected weight timeline.

Calorie deficit by time goal or weekly lossDaily and weekly deficit calculation

Water Intake Calculator

Calculate your recommended daily water intake based on your weight, activity level, and climate. Results shown in liters, fl oz, cups, and glasses.

Personalized daily water recommendationAdjustments for activity level and climate

Sleep Calculator

Calculate the best time to go to bed or wake up based on 90-minute sleep cycles. Wake up refreshed by timing your sleep to complete full cycles.

Wake-up time to ideal bedtimesBedtime to ideal wake-up times

Pythagorean Theorem Calculator

Calculate any side of a right triangle using the Pythagorean theorem (a² + b² = c²). Find the hypotenuse or any leg with step-by-step solutions.

Find hypotenuse from two legsFind any leg from hypotenuse and other leg

Circumference Calculator

Calculate the circumference, area, diameter, arc length, and sector area of a circle from radius or diameter. Instant results with formulas shown.

Circumference from radius or diameterCircle area calculation

Area Calculator

Calculate the area and perimeter of 7 shapes: rectangle, circle, triangle, trapezoid, parallelogram, ellipse, and regular polygon. Step-by-step formulas.

7 shape types supportedRectangle, circle, triangle, trapezoid

Quadratic Formula Calculator

Solve any quadratic equation ax² + bx + c = 0 instantly. Finds real and complex roots, discriminant, vertex, and axis of symmetry with step-by-step solutions.

Solves ax² + bx + c = 0 for any coefficientsHandles real and complex roots

Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step solutions. Also simplifies fractions and converts results to decimals and mixed numbers.

Addition, subtraction, multiplication, divisionSimplify a single fraction

GCF and LCM Calculator

Find the Greatest Common Factor (GCF) and Least Common Multiple (LCM) of 2–6 numbers using prime factorization with full step-by-step explanations.

GCF for up to 6 numbersLCM for up to 6 numbers

Prime Factorization Calculator

Find the prime factors of any number up to 10 billion. Shows prime factorization in exponential form, all divisors, factor pairs, and whether the number is prime.

Prime factorization up to 10 billionExponential form output (e.g., 2³ × 3²)

Average Calculator

Calculate mean, median, mode, range, standard deviation, and more from a list of numbers. Enter values comma-separated or one per line.

Mean (arithmetic average)Median and mode

Mortgage Calculator

Calculate your monthly mortgage payment, total interest, and view a full amortization schedule. Enter home price, down payment, interest rate, and loan term.

Monthly payment (principal & interest)Down payment in dollars or percent

Retirement Calculator

Calculate how much you will have at retirement based on current savings, monthly contributions, annual return rate, and time horizon. Includes inflation adjustment.

Future value with compound growthMonthly contribution modeling

Auto Loan Calculator

Calculate your monthly car payment, total cost, and interest for any auto loan. Includes trade-in value, sales tax, and a month-by-month amortization breakdown.

Monthly car payment calculationTrade-in value deduction

Compound Savings Calculator

Calculate how your savings grow with compound interest over time. Add regular monthly contributions and see interest earned year by year.

Compound interest with regular contributionsMonthly, quarterly, or annual compounding

Net Worth Calculator

Calculate your net worth by entering all your assets and liabilities. Get a clear picture of your financial health with totals and debt-to-asset ratio.

Assets categories: cash, investments, real estate, vehiclesLiabilities: mortgage, loans, credit cards, debts

Paycheck Calculator

Calculate your take-home pay after federal taxes, state taxes, Social Security, Medicare, 401(k), and health insurance deductions. 2024 US tax brackets.

2024 US federal income tax bracketsSocial Security (6.2%) and Medicare (1.45%) deductions

Standard Deviation Calculator

Calculate standard deviation, variance, mean, and other statistics for any dataset. Supports both population (÷N) and sample (÷N−1) formulas.

Population and sample standard deviationVariance (σ² and s²)

Z-Score Calculator

Calculate z-scores and find probabilities for normal distributions. Convert raw scores to z-scores or find the probability area under the curve.

Z-score from raw value, mean, and standard deviationProbability below, above, and within z

Confidence Interval Calculator

Calculate confidence intervals for means and proportions. Choose from 80% to 99.9% confidence levels with automatic z-score lookup.

Confidence intervals for means and proportionsConfidence levels: 80%, 85%, 90%, 92%, 95%, 96%, 98%, 99%, 99.9%

Probability Calculator

Calculate probabilities for single events, compound events, Bayes' theorem, and binomial distributions. Essential for statistics and data science.

Single event probabilityCompound events (AND, OR)

Combination & Permutation Calculator

Calculate combinations C(n,r) and permutations P(n,r) instantly. Find how many ways to choose or arrange items from a set.

Combination C(n,r) — order does not matterPermutation P(n,r) — order matters

Percentile Calculator

Calculate percentiles and quartiles for any dataset. Find the value at a given percentile, or find what percentile rank a specific value falls at.

Find value at any percentile (P10 through P99)Find percentile rank of any value

Margin of Error Calculator

Calculate the margin of error for surveys and polls, or find the sample size needed to achieve a desired margin of error at any confidence level.

Margin of error from sample sizeRequired sample size for target margin of error

Normal Distribution Calculator

Calculate probabilities under the normal distribution curve. Find P(X ≤ x), P(X ≥ x), or P(a ≤ X ≤ b) for any mean and standard deviation.

P(X ≤ x), P(X ≥ x), and P(a ≤ X ≤ b)Custom mean (μ) and standard deviation (σ)

Right Triangle Calculator

Solve any right triangle given 2 known values: sides a, b, c (hypotenuse) or acute angles A and B. Calculates all sides, angles, area, and perimeter.

Solve with any 2 known valuesCalculates all 3 sides and 2 angles

Law of Sines Calculator

Solve any triangle using the Law of Sines: a/sin(A) = b/sin(B) = c/sin(C). Works for ASA, AAS, and SSA triangle configurations.

Solves ASA, AAS triangle configurationsFinds all sides, angles, and area

Law of Cosines Calculator

Solve any triangle using the Law of Cosines: c² = a² + b² − 2ab·cos(C). Handles SAS (find side) and SSS (find angles) configurations.

SAS: find missing side given 2 sides + included angleSSS: find all angles given 3 sides

Slope Calculator

Calculate the slope, equation, distance, midpoint, and angle of a line through two points. Includes y-intercept, x-intercept, and perpendicular slope.

Slope (rise over run)Y-intercept and x-intercept

Distance Calculator (Points)

Calculate the distance between two points in 2D or 3D space using the distance formula. Also finds midpoint, slope, and angle.

2D distance: d = √(Δx² + Δy²)3D distance: d = √(Δx² + Δy² + Δz²)

Midpoint Calculator

Find the midpoint between two points in 2D or 3D space. Also find a missing endpoint given one endpoint and the midpoint.

2D midpoint: M = ((x₁+x₂)/2, (y₁+y₂)/2)3D midpoint with z-coordinates

Percent Error Calculator

Calculate percent error between an experimental (measured) value and a theoretical (accepted) value. Used in science, chemistry, and physics labs.

Percent error with absolute value (standard)Signed percent error (shows direction)

Significant Figures Calculator

Count significant figures in any number, round to a specified number of sig figs, and apply significant figure rules to addition, subtraction, multiplication, and division.

Count significant figures in any numberRound to specified significant figures

Roofing Calculator

Calculate roofing materials needed for any roof. Enter length, width, and pitch to get squares, shingle bundles, ridge cap, and nail count.

Pitch-adjusted roof areaShingle bundles (3 per square)

Flooring Calculator

Calculate how much flooring you need for one or multiple rooms. Get total square footage, waste-adjusted area, and number of boxes.

Multiple room supportAdjustable waste %

Mulch Calculator

Calculate cubic yards, cubic feet, and bags of mulch or topsoil for rectangular and circular garden beds.

Rectangular and circular shapesCubic yards, cubic feet, and bag counts

Gravel Calculator

Calculate cubic yards, cubic feet, and tons of gravel, crushed stone, sand, fill dirt, or topsoil for any project.

5 material types with accurate densitiesVolume in cubic yards/feet

Fence Calculator

Calculate fence posts, boards, rails, and concrete needed for a wood privacy fence.

Posts, boards, and rail linear footageConcrete for post holes

Deck Calculator

Calculate deck boards, screws, and joists needed for a wood or composite deck.

Board count with wasteScrew estimate

Drywall Calculator

Calculate drywall sheets, joint compound, tape, and screws for any room or multiple rooms.

Multi-room supportWall and ceiling area

Lumber Calculator

Calculate board feet and linear feet for any lumber order. Add multiple pieces with different dimensions.

Board feet formula: T×W×L/12Multiple piece types with quantity

Pool Volume Calculator

Calculate swimming pool volume in gallons and liters. Supports rectangular, oval, and round pools with variable depth.

Rectangular, oval, and round shapesGallons and liters output

Wallpaper Calculator

Calculate how many rolls of wallpaper you need. Accounts for pattern repeat, roll dimensions, doors, and windows.

Pattern repeat allowanceDoor and window deductions

Stair Calculator

Calculate stair rise, run, number of steps, stringer length, and angle from total floor-to-floor rise. Checks building code compliance.

Step count from total riseActual riser height distribution

Insulation Calculator

Calculate insulation thickness and quantity needed to reach any R-value. Supports fiberglass batts, blown insulation, spray foam, and rigid foam.

6 insulation types with R-value per inchR-value presets R-13 through R-60

Brick Calculator

Calculate bricks and mortar bags needed for any wall. Choose from 5 standard brick sizes.

5 brick sizesMortar bag estimate

HVAC BTU Calculator

Calculate BTU heating or cooling capacity needed for any room. Accounts for insulation, climate zone, occupants, and windows.

BTU/hr from room dimensionsInsulation quality factor

Solar Panel Calculator

Calculate how many solar panels you need based on monthly electricity usage. Get system size, annual output, CO2 offset, and estimated cost.

Panel count from monthly kWhSystem size in kW

Garden Area Calculator

Calculate total garden bed area, soil volume, and plant count for multiple beds in rectangle, circle, or triangle shapes.

Multiple beds in one calculationRectangle, circle, triangle shapes

Vinyl Siding Calculator

Calculate how many squares of vinyl or wood siding you need. Enter wall areas, exposure, and waste percentage.

Multiple wall supportOpening deductions

Patio Calculator

Calculate patio pavers, setting sand, and base gravel needed for any patio or walkway project.

Paver count with joint widthSand and base gravel tonnage

Gutter Calculator

Calculate gutter linear footage, downspout count, hangers, and elbows needed for any house.

Gutter footage from house dimensionsDownspouts by spacing

Window Opening Calculator

Calculate rough opening dimensions and header size for windows and doors. Add multiple openings of different sizes.

Rough opening width and heightStructural header size recommendation

استكشاف فئات أخرى

أدوات النص

أدوات المطورين

أدوات السيو

أدوات الصور

أدوات مساعدة

أدوات الكتابة بالذكاء

آلات حاسبة ومحولات مجانية عبر الإنترنت - مؤشر كتلة الجسم والمزيد | WebToolsMagic