Calculators math

Free online calculators math tools running 100% in your browser.

CALCULATOR

Scientific Calculator

4.8

Fast, responsive scientific calculator with trigonometry, roots, powers, and history.

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CALCULATOR

Percentage Calculator

4.9

Calculate percentage discounts, increases, decreases, and fractions effortlessly.

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CALCULATOR

Unit & Measures Converter

4.9

Convert length, weight, temperature, and digital data storage units instantly.

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유류비 및 주유비 계산기

5.0

Calculate total trip gas expenses, fuel consumption in liters or gallons, highway tolls, cost per passenger, cost per kilometer, and estimated CO2 carbon emissions.

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화면 비율 및 해상도 크기 조절 계산기

4.9

Calculate aspect ratios (16:9, 4:3, 21:9, 9:16), rescale width and height while preserving proportions, and find physical screen diagonal dimensions.

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팁 계산기 및 더치페이 영수증 계산기

4.7

Calculate restaurant gratuity tips, evaluate pre-tax vs post-tax totals, split the bill evenly among friends, and round up to the nearest dollar.

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분수 및 대분수 계산기 (풀이 과정 포함)

4.9

Add, subtract, multiply, and divide proper, improper, and mixed fractions with complete step-by-step LCM and GCD reduction breakdowns and decimal conversion.

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표준편차 및 기술통계 계산기 (히스토그램 포함)

4.8

Calculate sample and population standard deviation, variance, mean, median, mode, IQR, and render interactive frequency distribution histograms from any numeric dataset.

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공학용 함수 계산기 (각도, 삼각함수, 로그 계산)

4.9

Solve complex trigonometric, logarithmic, power, root, and factorial math equations in radians or degrees with full keyboard support and calculation history.

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진수 변환기 (2진수, 8진수, 10진수, 16진수)

4.9

Instantly convert numbers between Binary (Base 2), Octal (Base 8), Decimal (Base 10), Hexadecimal (Base 16), and arbitrary custom bases up to Base 36.

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하루 적정 수분 섭취량 계산기 및 물 마시기 시간표

4.9

Calculate your exact daily water intake based on body weight, workout intensity, and climate. Includes cup/bottle counts, hourly drinking timeline, and glass tracker.

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CALCULATOR
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행렬 계산기 프로 (행렬식, 역행렬, 곱셈 및 RREF 풀이)

4.8

Perform comprehensive linear algebra computations: matrix addition, multiplication (A×B), determinant, inverse (A⁻¹), transpose, trace, rank, and step-by-step Gauss-Jordan RREF elimination.

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