Unit Converters
Focused unit converters for the conversions people look up most, each with the exact factor, a worked example and a ready-reference table.
All 33 converters tools
Grouped by what they do.
All-in-one converters
10 toolsOne page per quantity with every unit and a conversion table.
- Length Converter Exact length conversions with feet and inches, inch fractions and every unit at once.
- Time Unit Converter Exact durations in every unit, with a days-hours-minutes breakdown and ISO 8601.
- Data Storage Converter Exact bits and bytes in decimal and binary units — and why 1 TB shows as 931 GB.
- Weight Converter Exact weight conversions with lb + oz, st + lb and traditional Indian units.
- Data Rate Converter (Mbps to MB/s) Bits per second to bytes per second and back — 100 Mbps is 12.5 MB/s.
- Temperature Converter Exact °C, °F and K conversions with the formula worked step by step.
Show all 10 Show fewer All-in-one converters tools
- Area Converter Exact area conversions, a length × width helper and fixed Indian land units.
- Pressure Converter Exact pressure and stress units, with psig ↔ psia and barg ↔ bara.
- Volume Converter Exact volume conversions, US and UK measures, and an L × W × H box helper.
- Speed Converter Exact speed conversions, Mach numbers by altitude and the ×5/18 shortcut.
Length & distance
5 toolsDistances and heights.
- Feet to Meters Converter Exact ft ↔ m with feet and inches, centimetres, printable tables and the US survey foot.
- KM to Miles Converter Exact km ↔ miles with nautical miles, race distances from 5K to marathon and road charts.
- CM to Inches Converter Exact cm ↔ inches, with tape-measure fractions, feet and inches and printable tables.
- MM to Inches Converter (with Fractions) Exact mm ↔ inches with the nearest 1/8–1/64 inch and its error, thou and a fraction chart.
- Height Converter (cm to Feet and Inches) Body height in feet and inches, centimetres and metres — typed any way you like.
Weight & mass
2 toolsWeights and masses.
Temperature
1 toolTemperature scales.
Area & volume
4 toolsAreas, land units, volumes and flow.
- Land Area Converter — Bigha, Guntha, Cent, Marla, Acre Land units by state, from official records — or your own local bigha.
- Liters to Gallons Converter Exact L ↔ gal, US or imperial, with quarts and pints, tank tables and price per gallon.
- Square Feet to Square Meters Converter Exact sq ft ↔ m², rooms in feet and inches, gaj, guntha and price per sq ft or per m².
- Acres to Hectares Converter Exact acre ↔ hectare with sq ft, m², guntha and cents, square-plot sides and farm tables.
Cooking & kitchen
3 toolsKitchen measures.
- mL to Fluid Ounces Converter Exact mL ↔ fl oz in US and UK ounces, the 30 mL label rule and the 3.4 oz liquids limit.
- Cups to Grams Converter Cups and spoons to grams and back for 100+ ingredients, each from a cited USDA record.
- Cups to mL Converter (Cooking Measures) Every cup and spoon — US, label, metric, Australian, UK and Japanese — in mL and back.
Digital, photo & music
1 toolData, screens, photography and music units.
Science & engineering units
2 toolsScience and engineering units.
Sizes & gauges
1 toolClothing sizes, paper sizes and gauges.
Numbers & money
4 toolsNumber formats and money units.
- Number Base Converter Binary, octal, decimal, hex and every base to 36 — exact, with the working shown.
- Roman Numeral Converter 1994 ⇄ MCMXCIV — with a strict notation check, dates and a full chart.
- Decimal to Fraction Converter Decimals, repeating decimals, fractions and percents — converted exactly, with the method.
- Number to Words Converter 12,34,567 → twelve lakh thirty-four thousand … — and back, exactly.
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Collections with converters tools
All collections →- 95 tools Engineers Electrical & electronics · Mechanical, fluids & HVAC · Civil & construction · 3 more
- 42 tools Construction & home Concrete, bricks & steel · Finishes, roofs & outdoors · Electrical, water & cooling · 2 more
- 174 tools Students Grades, marks & exams · Essays & writing · Citations & references · 4 more
- 197 tools Developers JSON, YAML & data formats · Format, convert & run code · Encode, decode & hash · 5 more
Good to know
- All 33 tools run in your browser: what you open or paste is not uploaded.
- All of them keep working without a connection once loaded.
- Results are estimates for planning and learning, not legal advice. Check the method and assumptions on each tool’s page.
Other categories
All tools →- 132 tools Developer Format, validate, encode, decode.
- 40 tools Data CSV, Excel, tables, charts.
- 95 tools Text Count, clean, sort, compare.
- 92 tools Image Compress, resize, convert, crop.
- 55 tools PDF Merge, split, extract, convert.
- 35 tools Audio & Video Convert, trim, compress media.
- 56 tools Design Colours, gradients, CSS.
- 36 tools SEO Meta tags, sitemaps, schema.
- 27 tools Social Media Captions, previews, limits.
- 94 tools Finance Loans, savings, interest, tax.
- 78 tools Business Invoices, quotes, margins.
- 39 tools Legal Templates and legal maths.
- 48 tools Health BMI, calories, pregnancy.
- 51 tools Math Calculators and solvers.
- 45 tools Science Physics, chemistry, astronomy.
- 31 tools Engineering Electronics, electrical, mechanical.
- 29 tools Construction Materials, area, home costs.
- 80 tools Education Grades, citations, study.
- 36 tools Network DNS, headers, IPs, subnets.
- 35 tools Security Passwords, encryption, keys.
- 75 tools Utility Convert, count down, randomise.