Calculators
30 tools and utilities available in this collection.
Audiobook Speed Calculator
Shows how long an audiobook will take at 1.25x, 1.5x, 2x, or any custom playback speed you enter.
CalculatorsPlayback Speed Calculator
Calculates the real-time duration of any video or audio file when played at a non-standard speed multiplier.
CalculatorsTime Calculator
Adds or subtracts hours, minutes, and seconds between multiple time values and shows the total duration.
CalculatorsHour Calculator
Tallies worked hours from start and end times across multiple shifts, giving a daily or weekly total.
CalculatorsDate Calculator
Adds or subtracts days, weeks, months, or years from any date to find a past or future target date.
CalculatorsDays Calculator
Counts the exact number of days between two calendar dates, with options to exclude weekends or holidays.
CalculatorsChronological Age Calculator
Computes your exact age in years, months, and days from a birthdate to today or any reference date.
CalculatorsAnniversary Calculator
Finds the date of an upcoming anniversary given a start date and shows how many days remain until it.
CalculatorsDeadline Calculator
Determines a deadline date by adding a specified number of business or calendar days to a start date.
CalculatorsExpiry Date Calculator
Calculates a product or contract expiry date by adding a shelf-life or term duration to a start date.
CalculatorsDeath Calculator
Estimates a projected lifespan date based on birth year using statistical life expectancy data.
CalculatorsVAT Calculator
Splits a price into net amount and VAT at a country-specific rate, or adds VAT to a net figure.
CalculatorsGST Calculator
Calculates the GST component of a price or adds GST to a base amount using a rate you specify.
CalculatorsMortgage Calculator
Computes monthly mortgage repayments from loan amount, interest rate, and term, with a full amortization schedule.
CalculatorsLoan Calculator
Calculates monthly repayments and total interest for any personal or auto loan given principal, rate, and term.
CalculatorsInterest Rate Calculator
Determines the annual interest rate implied by a loan's principal, monthly payment, and repayment period.
CalculatorsInvestment Calculator
Projects the future value of an investment with compound interest, including optional regular contributions.
CalculatorsDiscount Calculator
Computes the sale price and saving amount when you apply a percentage discount to an original price.
CalculatorsStripe Fee Calculator
Shows how much Stripe deducts per transaction so you know the exact amount that lands in your account.
CalculatorsPayPal Fee Calculator
Breaks down PayPal's percentage and fixed fee to reveal net payout or the gross amount to charge.
CalculatorsCash App Fee Calculator
Calculates the Cash App instant-transfer fee so you can see how much reaches the recipient.
CalculatorsFiverr Fee Calculator
Shows Fiverr's seller commission deduction and buyer service fee for any order amount.
CalculatorsVenmo Fee Calculator
Estimates Venmo's instant-transfer surcharge so you know the net amount after withdrawing earnings.
CalculatorsEtsy Fee Calculator
Breaks down Etsy listing, transaction, and payment processing fees to reveal your true profit per sale.
CalculatorsAverage Calculator
Computes the mean of a set of numbers you enter, along with the sum, count, minimum, and maximum values.
CalculatorsPercentage Calculator
Solves all three percentage problems: find the percent, find the value, or find the total from any two inputs.
CalculatorsGrade Calculator
Calculates your overall course grade from individual assignment scores and their respective weightings.
CalculatorsAspect Ratio Calculator
Finds the missing width or height to maintain an exact aspect ratio when scaling images or video frames.
CalculatorsYouTube Money Calculator
Estimates YouTube channel ad revenue based on view count, CPM, and engagement rate you supply.
CalculatorsTikTok Money Calculator
Estimates TikTok creator fund earnings from video view counts using typical per-view pay rate ranges.
Calculators