Calculators

Estimate how much you can borrow against your home’s equity and the monthly payment on that loan. Free, in your browser, no sign-up.

Convert an hourly wage into annual, monthly, and weekly pay. Free, in your browser, no sign-up.

Estimate the home price you can afford from your income, down payment, and rate. Free, in your browser, no sign-up.

Estimate an ideal body weight from height and sex, plus a healthy weight range. Free, in your browser, no sign-up.

Estimate income tax and after-tax income from a taxable amount and rate. Free, in your browser, no sign-up.

See what a US dollar amount from any year since 1913 is worth in another year, using official CPI-U data, plus the cumulative and average yearly inflation. Free, in your browser, no sign-up.

Find the interest rate behind a loan from the amount borrowed, the monthly payment and the term. Free, in your browser, no sign-up.

See the payment during an interest-only period, how much it jumps when principal repayments start, and the extra interest compared with a normal mortgage. Free, in your browser, no sign-up.

IQR = Q3 − Q1, with outlier fences. Free, instant, in your browser.

Project how an investment grows with regular contributions and compounding. Free, in your browser, no sign-up.

Work out the monthly payment and total interest on a loan to buy land, a building lot or acreage. Free, in your browser, no sign-up.

Least common multiple of 2 to 4 numbers. Free, instant, in your browser.

Lean body mass by Boer and Hume. Free, instant, in your browser.

Calculate a monthly lease payment for a car or equipment from the price, residual value, interest rate and term, split into depreciation and finance charge. Free, in your browser, no sign-up.

Calculate your monthly payment and see a full principal and interest schedule for any loan. Free, in your browser, nothing is uploaded.

Estimate the monthly payment, total paid, and total interest on a loan. Free, in your browser, no sign-up.

Enter 2 loan offers side by side to compare the monthly payment, total interest, and total cost.

Logarithm in any base. Free, instant, in your browser.

Quotient, remainder and steps. Free, instant, in your browser.

Enter two names and get a playful love compatibility score.

Split your daily calories into protein, carbs, and fat in grams. Free, in your browser, no sign-up.

Find your maintenance calories, the daily intake that keeps your weight steady, from the Mifflin-St Jeor equation and your activity level, with cut and bulk targets. Free, in your browser, no sign-up.

Calculate profit, profit margin, and markup from cost and selling price. Free, in your browser, no sign-up.

Exam marks to percentage. Free, instant, in your browser.