One number, fast.
31 calculators that show their work. Type one or two numbers and the answer is on the page before you finish.
Reselling
Marketplace fees, payment processing, shipping, and whether an item is worth it.
- Break-even resale price calculatorEnter what the item cost you and what you want to make, and get the exact …
- Depop fee calculatorEnter the sale price to see Depop's processing fee, any boost fee, and what you keep. …
- eBay fee calculatorEnter the sale price and what the buyer paid for shipping to see every eBay fee …
- Mercari fee calculatorEnter the sale price to see Mercari's selling fee and what you keep. Switch the mode …
- PayPal fee calculatorEnter what the buyer pays and see the fee PayPal takes and the amount you actually …
- Poshmark fee calculatorEnter the sale price to see Poshmark's cut and your earnings. Switch the mode to find …
- Reseller profit calculatorEnter what it sold for and what it cost you, pick the platform, and see the …
- Shipping cost calculatorEnter the label price and your packaging cost to see the true cost of a shipment …
- Stripe fee calculatorEnter the amount you're charging and see Stripe's fee and what you keep. Switch the mode …
Money and home
Mortgages, loans, refinancing, and what a payment really costs over time.
- Amortization schedule calculatorEnter the loan, rate and term to get the payment and a year-by-year schedule. Add an …
- APR calculatorEnter the loan, its rate, term and fees to get the APR: the rate you're really …
- Compound interest calculatorEnter a starting amount, a rate and a number of years to see what compounding does. …
- Freelance tax calculatorEnter your expected profit to see self-employment tax, federal income tax, and the amount to set …
- Home affordability calculatorEnter your income, debts and down payment to see the most a lender would let you …
- Loan payoff calculatorEnter what you owe, the rate and what you pay each month to see when it's …
- Mortgage calculatorEnter the price, your down payment and the rate to see the full monthly payment and …
- Paycheck calculatorEnter your gross pay and how often you're paid to estimate what lands in your account …
- Refinance calculatorEnter your current balance, rate and years left, then the new rate, term and closing costs, …
- Rent vs buy calculatorEnter your rent and the home you'd buy instead, plus how long you'll stay, to see …
Everyday
Percentages, dates, units, and the small sums that come up all the time.
- Age calculatorEnter a date of birth to get an exact age today, or on any date you …
- Concrete volume calculatorEnter the slab or footing size to get the concrete in cubic yards and the number …
- Date difference calculatorEnter two dates to get the number of days between them, the same span in weeks, …
- Discount calculatorEnter the original price and the discount to see the sale price and what you save. …
- Fuel cost calculatorEnter the distance, your car's mpg and the local gas price to see what the drive …
- Paint coverage calculatorEnter the total length of the walls and their height to see how many gallons a …
- Percentage calculatorPick the question, enter X and Y, and read the answer with the formula used.
- Recipe scaling calculatorEnter what the recipe makes and what you need, then each ingredient amount, to get the …
- Sales tax calculatorEnter a price and pick a state to see the tax and total. Switch the mode …
- Unit converterEnter a value and pick the units. Length, weight, kitchen volumes and temperature, using the exact …
Health
Body and nutrition numbers, explained plainly.