Calculators

Estimate blood alcohol content (BAC) based on drinks, weight, and time. For informational purposes only.

Estimate daily calorie needs (maintenance, cut, or bulk) using a standard BMR + activity model.

Estimate CD interest earned and ending balance at maturity with common compounding options.

See how money grows with compound interest and contributions over time, with a year-by-year breakdown.

Estimate concrete volume for common shapes (slabs, walls, footings, columns) with optional bag and cost estimates.

Calculate CPM, impressions, or total cost by filling in any two fields.

Estimate payoff time and total interest based on your balance, APR, and monthly payment (or target payoff date).

Add or subtract time from a date, or calculate the difference between two dates.

Calculate your GPA from course grades and credit hours using a standard 4.0 scale.

Estimate a HELOC borrowing limit based on home value and LTV, plus simple payment scenarios.

Estimate how much you can borrow against home equity and calculate a fixed monthly payment.

Calculate hours and minutes between times, including optional breaks and decimal-hour output.

Convert dollar amounts between years using CPI-based inflation estimates.

Estimate future investment value with recurring contributions and expected return assumptions.

Calculate monthly loan payments and view a full amortization schedule.

Estimate your monthly mortgage payment with a detailed cost breakdown and amortization schedule.

Solve common percent problems: percent of a number, percent change, and what percent one number is of another.

Calculate profit, margin, revenue, or cost. Enter any two fields to solve the rest.

Project retirement savings growth and estimate if you’re on track based on your contribution and return assumptions.

Add up weekly hours from clock-in/clock-out times with breaks and optional overtime/pay estimates.