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Math Tools

18 friendly school-math tools — percentage, fractions, LCM & HCF, BODMAS, geometry, money math and more. Simple enough for Class 1–5, with a Show Steps mode so the working is never a mystery.

🧒 Class 1–5 friendly 👣 Show Steps mode ⚡ Instant, no login 🔒 Runs in your browser

🔢 Numbers & Fractions

The everyday building blocks — percentages, averages, ratios and fractions.

Steps

Percentage

Find what % one number is of another, or the value of a percentage.

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Average

Add a list of numbers and divide by how many there are.

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Ratio

Simplify a ratio to its lowest terms, e.g. 12:18 → 2:3.

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Fractions

Add, subtract, multiply or divide two fractions, simplified for you.

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🧩 Factors & Simplify

LCM, HCF, factors, primes and step-by-step BODMAS simplification.

Steps

LCM & HCF

Find the Lowest Common Multiple and Highest Common Factor.

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Factors & Multiples

List all factors of a number, and its first few multiples.

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Prime Number / Factorization

Check if a number is prime and break it into prime factors.

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BODMAS / Simplification

Type an expression and solve it step by step, in the right order.

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📏 Decimals & Roots

Switch between decimals and fractions, and work out squares, cubes and roots.

Steps

Decimal ↔ Fraction

Convert a decimal to a fraction, or a fraction to a decimal.

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Square / Cube & Roots

Find a square, cube, square root or cube root of a number.

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📐 Geometry & Units

Area, perimeter, volume, surface area, and converting between units.

Steps

Area & Perimeter

Square, rectangle, triangle or circle — area and perimeter together.

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Volume & Surface Area

Cube, cuboid, cylinder or sphere — volume and surface area.

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Unit Conversion

Length, weight and volume — cm, m, km, g, kg, ml, litre and more.

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💰 Money Math

Profit & loss, discounts and simple interest — real-world number sense.

Steps

Profit & Loss

Enter cost price and selling price to see profit/loss and the %.

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Discount

Find the discount amount and final price from the marked price.

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Simple Interest

Principal, rate and time in years — get the interest and total.

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🏁 Speed & Marks

Travel-time problems and turning exam marks into a percentage.

Steps

Speed – Distance – Time

Know any two of speed, distance and time to find the third.

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Marks → Percentage

Turn marks obtained out of total marks into a clean percentage.

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Every Math Tool runs right in your browser — nothing is uploaded, and there's nothing to install. Turn on Show Steps inside any tool to see the full working, the same way it's shown in a school notebook.