all converters & calculators

100+ free instant tools • glass interface • currency, units, health & finance

most valued converters

#1

currency pro

Different countries currencies (USD, EUR, GBP, INR, JPY) Conversion

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⚡ ultra

unit master

Length, mass, volume, area, speed, time – one tool with 50+ units.

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health

bmi & ideal weight

Body mass index, body fat, and healthy weight range (WHO standard).

check bmi

measurement & units

length

meters ↔ feet, miles ↔ km, inches ↔ cm – for travel & diy.

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weight / mass

kg ↔ lb, g ↔ oz, stone ↔ kg. perfect for fitness & shipping.

convert

temperature

°C ↔ °F ↔ K, plus °Ré, °Rø for scientists & cooks.

convert

volume

liters ↔ gal, ml ↔ fl oz, m³ ↔ ft³ – liquids & dry.

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area

sq meter ↔ sq ft, acre ↔ hectare, for real estate.

convert

speed

km/h ↔ mph, m/s ↔ knots, mach number.

convert

time

seconds ↔ min ↔ hours ↔ days, also weeks & years.

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Age calculator

days between dates, age calculator, next birthday.

calculate

financial & math tools

crypto + forex

BTC, ETH, USDT ↔ 50 fiat currencies. real-time updates.

convert

binary / hex / decimal

convert between bin, oct, dec, hex. for programmers.

convert

fraction ↔ decimal

simplify, mixed numbers, percent, and fraction arithmetic.

convert

loan / EMI

monthly EMI, total interest, amortization schedule.

calculate

DATE-TIME Calcultaor

Time, Date in Hours, Months, Days etc

calculate

percentage

increase, decrease, tip, discount, grade calculator.

calculate

numbers → words

cheque amount, text in english / hindi / spanish.

convert

roman numerals

MCMXC ↔ 1990, clock faces & chapter numbers.

convert

why our converters stand out

Every tool is built with precision and wrapped in a modern glass interface. Used by students, travelers, and professionals globally.

real-time & accurate

  • Currency: 60‑sec refresh (forex + crypto)
  • Units: NIST-traceable conversion factors
  • Finance: precise EMI & interest formulas

flawless on any device

  • 100% responsive, touch optimized
  • dark/light adapt (data-bs-theme="light" but deep)
  • no app install – works offline after cache
pro bookmarks: save this hub – 40+ converters under one glass roof. new tools added monthly.