Plan your retirement with confidence — calculate 401(k) growth, estimate annuity income, project Social Security benefits, and analyze pension payouts. All free and private.
No sign-up · No data sent to servers · Instant results
Sponsored · We may earn a commission at no cost to you
Convert between px, rem, em, pt, and other CSS units
Use tool →Calculate compound interest with contributions and visual growth chart
Use tool →Estimate SSDI (Social Security Disability Insurance) benefits using PIA formula with 2024 bend points, work credit eligibility, and family benefits
Use tool →Project your 401(k) retirement savings with employer matching, catch-up contributions, and growth analysis
Use tool →Calculate annuity growth and payout projections for accumulation and distribution phases
Use tool →Calculate your Financial Independence, Retire Early (FIRE) number with Lean, Regular, and Fat FIRE variants, savings projections, and milestone timeline
Use tool →Estimate retirement savings, income, and how much to save monthly
Use tool →Estimate your Social Security retirement benefits based on earnings history and claiming age
Use tool →Learn how to calculate your monthly mortgage payment with the amortization formula. Includes examples, tips for getting lower rates, and a free calculator.
Read guide →Understand compound interest and how it makes your money grow exponentially. Learn the formula, see real examples, and discover strategies to maximize compound growth.
Read guide →Learn how to calculate your net worth step by step. Discover what to include as assets and liabilities, and see how your net worth compares to others your age.
Read guide →Learn how much you should have saved for retirement at every age. Covers the 4% rule, 401k strategies, catch-up contributions, and when you can actually retire.
Read guide →NexTool offers free retirement planning tools including 401(k) growth projectors, annuity calculators, Social Security estimators, and pension payout analyzers. Enter your current savings, contributions, and expected returns to see where you stand.
Yes. Our Social Security calculator helps you estimate your monthly benefit based on your earnings history and planned retirement age. It shows how delaying benefits can increase your monthly payment.
All calculations run entirely in your browser. Your financial data is never sent to any server, stored in any database, or shared with anyone. Close the tab and it is gone.
Essential calculators and tools for freelancers — estimate income tax, convert hourly rates to annual salary, generate invoices, and calculate profit margins. All free, no sign-up required.
11 toolsProfessional-grade calculators for accountants — compute taxes, payroll, profit margins, depreciation schedules, and amortization tables. Instant results, completely free.
28 toolsMust-have tools for students — calculate your GPA, estimate student loan payments, convert grades, and crunch percentages. All free and works on any device.
20 toolsNavigate home buying with the right numbers — calculate mortgage payments, estimate closing costs, compare renting vs. buying, and assess property taxes. Free and instant.
21 toolsSharpen your investment strategy — calculate compound interest, analyze ROI, project stock returns, model dollar-cost averaging, and estimate dividend income. All free.
17 toolsLaunch and grow your business with the right data — calculate startup costs, project revenue, analyze profit margins, model SaaS metrics, and plan funding rounds. All free.
23 toolsOptimize your fitness journey — calculate BMI, track calories and macros, estimate protein needs, measure body fat, find target heart rate zones, and pace your runs.
10 toolsStreamline your dev workflow — format JSON, test regex, encode Base64, generate UUIDs, decode JWTs, parse cron expressions, format SQL, and more. All in your browser.
14 toolsSimplify grading and classroom math — calculate GPAs, convert grades, compute percentages, and run statistics. Fast, free, and works on any device.
8 toolsHelpful tools for every stage of parenting — track pregnancy milestones, estimate ovulation dates, plan college savings, and more. Free, private, and easy to use.
11 toolsRun your business by the numbers — calculate payroll, generate invoices, analyze profit margins, estimate taxes, compare loan options, and track employee costs. All free.
51 toolsEssential health and financial calculators for nurses — compute BMI, estimate calorie intake, track hydration, calculate shift pay, and plan retirement savings. All free and private.
17 toolsClinical and financial tools for physicians — calculate BMI, body fat percentage, blood pressure categories, estimate retirement savings, and plan investments. All free, private, and instant.
20 toolsClose more deals with the right numbers — calculate mortgage payments, estimate closing costs, compare rent vs. buy, analyze cap rates, and compute property taxes. All free and instant.
17 toolsManage rental properties smarter — calculate rental yield, estimate property taxes, analyze cap rates, plan Airbnb income, and track expenses. All free, no sign-up required.
16 toolsLaunch and scale with data — calculate startup costs, model SaaS metrics, analyze break-even points, value your business, and plan fundraising. All free, instant, and private.
14 toolsStreamline your photography business — generate invoices, calculate pricing, convert colors, resize images, pick hex colors, and build a beautiful portfolio. All free.
16 toolsCreate better content faster — count words, generate hashtags, analyze text readability, pick colors, build QR codes, and manage your social media character limits. All free.
16 toolsTrain clients with precision — calculate BMI, body fat, macros, TDEE, one-rep max, heart rate zones, and ideal weight. All free, instant, and runs in your browser.
12 toolsEstimate jobs accurately — calculate concrete, paint, tile, flooring, drywall, fencing, roofing, and square footage. Plus invoicing and profit margin tools. All free.
19 toolsHit the road prepared — calculate fuel costs, gas mileage, tire sizes, route expenses, and take-home pay. Plus budgeting and tax tools for owner-operators. All free.
17 toolsAce your academics and finances — calculate GPA, estimate student loan payments, plan budgets, convert grades, and track savings. All free and works on any device.
21 toolsPlan your golden years with confidence — estimate Social Security benefits, calculate retirement income, track net worth, plan estates, and manage health metrics. All free and private.
18 toolsNavigate post-service finances — calculate disability benefits, estimate VA loan payments, plan retirement, compute take-home pay, and track net worth. All free and private.
21 toolsLevel up your setup — test internet speed, roll dice, flip coins, generate random numbers, check screen resolution, track screen time, and time your sessions. All free.
13 toolsCare for your pets smarter — calculate dog age in human years, estimate food portions, plan vet budgets, and track your own health alongside your furry friend. All free.
16 toolsWork from anywhere with the right tools — convert currencies, compare time zones, calculate cost of living, estimate freelance rates, and generate invoices. All free.
20 toolsRun smarter with data — calculate race pace, find target heart rate zones, track calories burned, estimate hydration needs, and optimize your training. All free and instant.
12 toolsMaintain and improve your home by the numbers — calculate paint, tile, flooring, HVAC sizing, solar savings, kitchen remodel costs, and home equity. All free.
24 toolsTrade with precision — calculate stock returns, analyze ROI, model DCA strategies, estimate crypto profits, screen stocks, and compute capital gains taxes. All free and instant.
15 toolsOptimize your remote work setup — manage time zones, boost focus with Pomodoro, convert currencies, calculate home office deductions, and track productivity. All free.
25 tools