Free Calculators — Page 4

Your true average cost per share after a second buy — and the move needed from the last price to break even.

Discover how to adjust your portfolio with our rebalancing calculator. Get precise amounts to move for optimal asset allocation.

Blend stocks, bonds and cash into one expected return — and project what the mix grows to over your horizon.

Calculate exact age in years, months and days from a date of birth — or measure the span between any two calendar dates.

Compute Body Mass Index from weight and height, with WHO weight category and the healthy weight range for your height.

Estimate total daily energy expenditure from the Mifflin-St Jeor BMR equation and an activity multiplier — with mild cut and bulk targets.

Find a percentage of a number, measure percent change between two values, or reverse-calculate the whole when you know the part and percent.

Compute semester or cumulative GPA from course credits and letter grades on the standard 4.0 scale.

Estimate your due date from the first day of your last menstrual period using Naegele's rule — plus weeks pregnant and days remaining.

Find the best bedtime for a target wake time based on 90-minute sleep cycles plus time to fall asleep.

Convert height between feet and inches and centimetres — both directions, with total inches and metres.

Estimate body fat percentage from circumference measurements using the US Navy method — with a fitness category label.

Calculate the exact span between two date-times — total days, hours, minutes and a broken-down years/months/days/hours/minutes display.

Estimate blood alcohol concentration from drinks consumed, body weight, sex and elapsed time using the Widmark formula.

Estimate daily protein needs in grams from body weight and goal — maintain, lose fat or build muscle — with a per-meal split.

Convert running distance and finish time into pace per kilometre and mile, plus average speed in km/h and mph.

Find the mean, sum, count, minimum and maximum of up to five numbers — quick statistics for grades, samples and datasets.

Convert points earned and points possible into a percentage grade and letter grade on the standard A–F scale.

Calculate area of a rectangular room in square feet and square metres from length and width.

Estimate gallons needed and total fuel cost for a road trip from distance, fuel economy and price per gallon.

Add, subtract, multiply or divide two fractions — result as simplified numerator/denominator plus decimal.

Calculate the benefits of DCA into Bitcoin or other crypto versus lump sum investing with our easy-to-use tool.

Easily calculate rental depreciation for your properties. Get insights on annual deductions and total depreciation with our intuitive calculator.

Discover the tax deferral benefits of a 1031 exchange with our easy-to-use calculator for your investment properties.

Optimize your crypto investments by identifying tax-loss harvesting opportunities to reduce your tax liability effectively.

Use our calculator to determine potential goodwill impairment loss for your business acquisitions and financial reporting.

Easily compare straight-line, double declining, and MACRS depreciation methods for your business assets with our user-friendly calculator.

Determine your business's value with our calculator, which uses revenue and earnings multiples for accurate assessments.

Calculate your business's EBITDA easily and understand your financial performance with our user-friendly tool.

Evaluate your accounts receivable aging to identify collection risks and improve cash flow management.

Easily calculate your cash conversion cycle to optimize inventory management and enhance cash flow efficiency for your business.

Analyze the financial implications of leasing versus buying a car with our detailed cost comparison tool.

Calculate the true all-in cost of owning a vehicle over your planned ownership period. Understand your financial commitment before buying.

Evaluate the cost differences between electric and gasoline vehicles over time. Make informed decisions on your next car purchase.

Monitor your car's depreciation and predict its future value with our easy-to-use tracker. Stay informed about your vehicle's worth over time.

Estimate your car maintenance cost based on vehicle type and driving habits. Plan your budget effectively with our easy-to-use calculator.