Free Online Calculators and Converters

Quickly convert between inches and centimeters; view cm, mm, and fractional inch equivalents on the same screen.

Quickly convert between miles and kilometers; see the result along with the equivalent in meters using the constant 1 mile = 1.609344 km.

Enter your written exam, project, and class participation scores to calculate your grade average out of 100.

Enter your midterm and final grades along with their weights to calculate your course average or the required final score to pass.

Enter your course credits and letter grades to calculate your semester GPA and your new overall GPA with the current GPA.

Compare climate projections for your city from 2011-2040 and 2041-2050.

Calculate your age based on your date of birth.

Compare yearly air quality trends for various cities.

Doğum tarihiniz ve saatinizle gezegenlerin etkilerini keşfedin.

Find the best months to visit a city based on various climate factors.

Doğum tarihi, saat ve konumla güneş, ay ve yükselen burcunuzu hesaplayın.

Create your astrological chart using your birth date, time, and location information.

Calculate the number of business days within a date range.

Calculate which day of the year today or a selected date falls on.

Convert your 3GP files to MP4 format securely.

Convert your 7Z file to ZIP format securely and efficiently.

Convert your AVI files to MP4 format securely and efficiently.

Convert your AVIF files to BMP format securely and efficiently.

Convert your AVIF file to GIF format securely and efficiently.

Convert your AVIF files to ICO format securely and efficiently.

Convert your AVIF files to JPG format securely and efficiently.

Easily convert your AVIF files to PNG format on a secure server.

Calculate the average unit cost based on purchase and sale transactions, or find the required amount or unit price for the target average.

Calculate the weighted average maturity day or average maturity end date by considering amounts in checks, promissory notes, and installment payment lists.

Calculate match odds, amount per slip, system selection, banker, and winning matches to determine total amount and potential winnings.

Calculate the gross yield, withholding tax, net yield, and total amount at maturity based on principal, annual interest rate, and days remaining until maturity.

Calculate the loan amount, term, monthly interest, and installment, total repayment, interest, KKDF, and BSMV costs based on the purpose of purchase.

Calculate the final lot number and net cash effect based on the number of shares, dividend amount, and paid/free increase and reduction rates.

Select the type of financing for tradesmen and SMEs to calculate the loan amount, term, monthly interest, KKDF and BSMV rates, along with installments, total repayment, and payment plan.

Calculate the loan amount, term, monthly interest, KKDF, and BSMV rates for commercial need loans for tradesmen and SMEs, along with installments, total repayment, and payment plans.

Create strong random password suggestions by selecting length and character types.

Calculate the height range of babies based on age and gender after birth, or estimate the baby's length according to gestational weeks.

Calculate the weight range for babies based on age and gender after birth, or estimate fetal weight according to gestational weeks.

Estimate your daily basal metabolic rate using your gender, age, height, and weight information.

Calculate your estimated body fat percentage based on your neck, waist, and gender measurements, including hip measurement for women.

Calculate your body mass index using your gender, height, and weight; see your BMI category and healthy weight range.

Calculate your bra band size, cup size, and cross size alternatives based on your underbust and bust measurements.

Calculate the total cost of cigarettes to date based on daily consumption, start date, and pack price, along with the impact on average life expectancy.

Discover the months with the best and worst air quality in your city.

Inspect image integrity and AI use in one comprehensive report.

Compress PNG, JPG, and PDF files easily and securely.

Merge PDFs, extract pages, reorder pages and turn JPG or PNG images into a PDF directly in your browser.

Calculate the approximate BTU requirement for your air conditioner based on room size, region, and number of people.

Calculate the area for rectangles, squares, triangles, and circles on the same screen, based on your selected unit of measurement.

Quickly and accurately convert between number bases from 2 to 36.

Calculate the circumference of circles, triangles, rectangles, squares, trapezoids, regular polygons, and ellipses all in one place.

Calculate how many different unordered selections can be made when choosing r elements from n elements.

Find the most suitable option by comparing alternatives based on criteria weights and scores from 1 to 10.

Enter the base and exponent values to calculate the exponential number result, the corresponding negative exponent, and a summary of the operation.

Calculate the factorial value of the entered integer with exact results, digit count, and scientific notation.

Check a web page for technical SEO signals, meta tags, heading structure, schema data and indexability in one practical report.

Calculate the pronunciation of the entered number in Turkish or English.

Quickly calculate the number of words, including and excluding spaces, in your text.

Convert latitude and longitude values to decimal degrees, view directional information, and create a map search link.

Calculate the desi and volumetric weight values from the dimensions of your cargo package: length, width, and height.

Calculate the straight-line distance between two locations, the estimated road distance, and the approximate travel time.

Calculate charging time, cost, and consumption for electric vehicles.

Control your budget by calculating fuel consumption and costs.

Calculate the approximate shipping cost based on volume, weight, and delivery options for local or intercity shipments.

Compare your jumping and throwing performances with World Athletics records.

Compare your running time with 71 official World Athletics records from 50m to 100km and see the time gap, average-speed ratio and virtual race position.

Compare your swimming times with world records in 25m and 50m pools.

Find your current IWF senior weight class based on your body weight and compare your lifts with world records.

Evaluate your proximity to your record goal and create a development plan.