Tool directory

Convert centimeters to inches using the exact 1 inch = 2.54 centimeters definition.

Convert inches to centimeters using the exact 1 inch = 2.54 centimeters definition.

Convert kilograms to pounds using the exact definition 1 pound = 0.45359237 kilograms.

Convert pounds to kilograms using the exact factor 1 pound = 0.45359237 kilograms.

Convert Celsius to Fahrenheit using the exact formula F = C x 9/5 + 32.

Convert Fahrenheit to Celsius using the exact formula C = (F - 32) x 5/9.

Convert kilometers to miles using the exact relation 1 mile = 1.609344 kilometers.

Convert miles to kilometers using the exact relation 1 mile = 1.609344 kilometers.

Convert liters to US gallons using the exact relation 1 US gallon = 3.785411784 liters.

Convert US gallons to liters using the exact relation 1 US gallon = 3.785411784 liters.

Convert feet to meters using the exact 1 ft = 0.3048 m definition.

Convert meters to feet using the exact 1 ft = 0.3048 m definition.

Convert millimeters to inches using the exact 1 inch = 25.4 mm definition.

Convert inches to millimeters using the exact 1 inch = 25.4 mm definition.

Convert centimeters to feet and inches — perfect for height (e.g. 170 cm).

Convert feet to centimeters using the exact 1 ft = 30.48 cm definition.

Convert grams to ounces using the exact 1 oz = 28.349523125 g definition.

Convert ounces to grams using the exact 1 oz = 28.349523125 g definition.

Convert kilograms to stone and pounds — the UK way to express body weight.

Convert stone to kilograms using the exact 1 stone = 6.35029318 kg definition.

Convert milliliters to US fluid ounces using the exact 29.5735295625 mL definition.

Convert US fluid ounces to milliliters using the exact 29.5735295625 mL definition.

Convert kilometers per hour to miles per hour using the exact mile definition.

Convert miles per hour to kilometers per hour using the exact mile definition.

Convert square feet to square meters using the exact 0.09290304 m² definition.

Convert square meters to square feet using the exact 0.09290304 m² definition.

Convert gaj (square yard) to square feet — 1 gaj = 9 square feet.

Convert square feet to gaj (square yard) — 9 square feet = 1 gaj.

Convert degrees to radians using radians = degrees × π / 180.

Convert radians to degrees using degrees = radians × 180 / π.

Add or remove GST at standard India rates with transparent base, tax, and total breakdown.

Calculate percent of a number, percentage share, and percentage change in one page.

Calculate exact age in years, months, and days between birth date and a target date.

Calculate loan EMI, total interest, and total payment from amount, rate, and tenure.

Estimate the maturity value of a monthly SIP from amount, expected return, and duration.

See how an investment grows with compound interest over time.

Calculate simple interest and total amount from principal, rate, and time.

Find the sale price and amount saved from a price and a percentage discount.

Calculate Body Mass Index from weight in kilograms and height in centimeters.

Find the gap between two dates in years, months, days, and total days.

Add or subtract days from a date to get the resulting date and weekday.

Find the duration between two times, including overnight, in hours and minutes.

Count words, characters, sentences, and paragraphs instantly in your browser.

Format, minify, and validate JSON directly in your browser with instant error messages.

Encode text to Base64 or decode Base64 back to text, fully in your browser.

Percent-encode text for URLs or decode percent-encoded strings back to text.

Convert text between UPPER, lower, Title, Sentence, camel, snake, and kebab case.

Count characters, characters without spaces, and words with tweet and SMS limits.

Convert a hex color like #1d4ed8 to RGB values, with a live preview.

Convert a number to words in the international or Indian (lakh/crore) system.