https://thehandycalculators.com/updates New and updated free calculators on The Handy Calculators — money, time, health, education, conversions, home, and real estate. en-us Tue, 12 May 2026 12:00:00 GMT https://thehandycalculators.com/1031-exchange https://thehandycalculators.com/1031-exchange Tue, 12 May 2026 12:00:00 GMT Real Estate Deferred gain, recognized boot from cash and debt relief, federal tax owed, and carryover basis on a like-kind real estate exchange. https://thehandycalculators.com/retirement https://thehandycalculators.com/retirement Tue, 12 May 2026 12:00:00 GMT Money Project your retirement balance with employer match and growth. https://thehandycalculators.com/seventy-percent-rule https://thehandycalculators.com/seventy-percent-rule Tue, 12 May 2026 12:00:00 GMT Real Estate Maximum offer for a flip — 70% of ARV minus repairs, with adjustable spread for any market. https://thehandycalculators.com/add-subtract-days https://thehandycalculators.com/add-subtract-days Tue, 12 May 2026 12:00:00 GMT Time Add or subtract days, weeks, months, years, or business days from any date. https://thehandycalculators.com/age https://thehandycalculators.com/age Tue, 12 May 2026 12:00:00 GMT Time Your exact age in years, months, days, hours, and minutes. https://thehandycalculators.com/apr-vs-apy https://thehandycalculators.com/apr-vs-apy Tue, 12 May 2026 12:00:00 GMT Money Convert between APR and APY for any compounding frequency. https://thehandycalculators.com/bmi https://thehandycalculators.com/bmi Tue, 12 May 2026 12:00:00 GMT Health Body mass index in metric or US units, with category. https://thehandycalculators.com/bmr https://thehandycalculators.com/bmr Tue, 12 May 2026 12:00:00 GMT Health Basal metabolic rate using Mifflin-St Jeor and Harris-Benedict, with activity-multiplier TDEE. https://thehandycalculators.com/body-fat https://thehandycalculators.com/body-fat Tue, 12 May 2026 12:00:00 GMT Health Estimate body fat percent with the US Navy circumference method, plus a BMI-based check. https://thehandycalculators.com/body-roundness https://thehandycalculators.com/body-roundness Tue, 12 May 2026 12:00:00 GMT Health Models the body as an ellipse from waist and height — predicts mortality risk better than BMI. https://thehandycalculators.com/business-days https://thehandycalculators.com/business-days Tue, 12 May 2026 12:00:00 GMT Time Count business days between two dates or add/subtract working days from any date, with custom holidays excluded. https://thehandycalculators.com/calorie https://thehandycalculators.com/calorie Tue, 12 May 2026 12:00:00 GMT Health Daily calories to lose, maintain, or gain weight using Mifflin-St Jeor. https://thehandycalculators.com/cap-rate https://thehandycalculators.com/cap-rate Tue, 12 May 2026 12:00:00 GMT Real Estate Capitalization rate from NOI and value, or solve for value, NOI, or required cap rate. https://thehandycalculators.com/car-payment https://thehandycalculators.com/car-payment Tue, 12 May 2026 12:00:00 GMT Money Monthly car payment including tax, trade-in, and down payment. https://thehandycalculators.com/cash-on-cash https://thehandycalculators.com/cash-on-cash Tue, 12 May 2026 12:00:00 GMT Real Estate Annual cash flow divided by cash invested — the levered return on a rental property. https://thehandycalculators.com/closing-costs https://thehandycalculators.com/closing-costs Tue, 12 May 2026 12:00:00 GMT Real Estate Buyer closing-cost breakdown by line item — lender, title, government, prepaids — plus cash-to-close. https://thehandycalculators.com/compound-interest https://thehandycalculators.com/compound-interest Tue, 12 May 2026 12:00:00 GMT Money Project your investment growth over years or decades. https://thehandycalculators.com/concrete https://thehandycalculators.com/concrete Tue, 12 May 2026 12:00:00 GMT Home Cubic yards needed for slabs, driveways, and patios — plus bags and cost. https://thehandycalculators.com/cooking-converter https://thehandycalculators.com/cooking-converter Tue, 12 May 2026 12:00:00 GMT Conversions Cups, tablespoons, grams, ounces, and milliliters — plus oven temperature conversions. https://thehandycalculators.com/cost-of-living https://thehandycalculators.com/cost-of-living Tue, 12 May 2026 12:00:00 GMT Money Salary you need in another city to maintain the same standard of living. https://thehandycalculators.com/course-grade https://thehandycalculators.com/course-grade Tue, 12 May 2026 12:00:00 GMT Education Weighted course grade from assignments, quizzes, and exams. 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Add multiple sizes for total board feet, lineal feet, waste, and cost. https://thehandycalculators.com/macro https://thehandycalculators.com/macro Tue, 12 May 2026 12:00:00 GMT Health Daily protein, carbs, and fat targets for cutting, maintenance, or bulking based on your TDEE. https://thehandycalculators.com/mortgage https://thehandycalculators.com/mortgage Tue, 12 May 2026 12:00:00 GMT Money Monthly payment, taxes, insurance, and required income. https://thehandycalculators.com/mortgage-refinance https://thehandycalculators.com/mortgage-refinance Tue, 12 May 2026 12:00:00 GMT Money Monthly savings, break-even point, and lifetime savings from refinancing. https://thehandycalculators.com/mulch-gravel https://thehandycalculators.com/mulch-gravel Tue, 12 May 2026 12:00:00 GMT Home Cubic yards, cubic feet, bags, and tons of mulch, gravel, topsoil, or sand to cover a rectangular area at any depth. https://thehandycalculators.com/multifamily-proforma https://thehandycalculators.com/multifamily-proforma Tue, 12 May 2026 12:00:00 GMT Real Estate Apartment building NOI, cap-rate value, value per door, and DSCR. https://thehandycalculators.com/net-worth https://thehandycalculators.com/net-worth Tue, 12 May 2026 12:00:00 GMT Money Add up assets, subtract liabilities, see your total net worth. https://thehandycalculators.com/office-proforma https://thehandycalculators.com/office-proforma Tue, 12 May 2026 12:00:00 GMT Real Estate Office building NOI, rent PSF, expense recoveries, and value per SF. https://thehandycalculators.com/one-rep-max https://thehandycalculators.com/one-rep-max Tue, 12 May 2026 12:00:00 GMT Health Estimate your 1RM from a working set using Epley, Brzycki, Lombardi, O'Conner, and Lander formulas. https://thehandycalculators.com/ovulation https://thehandycalculators.com/ovulation Tue, 12 May 2026 12:00:00 GMT Health Estimated ovulation date, six-day fertile window, and next expected period from your last menstrual period and cycle length.