Numbers, made clear.
Free calculators for money, business, internet, and everyday life. Everything runs in your browser — no account, no clutter.
Featured tools
Business & Technology
Tools for business owners and tech-savvy consumers
AI vs Human Receptionist Cost
Compare estimated human vs AI receptionist costs — salary, benefits, and coverage assumptions included.
Try It FreeInternet Speed Calculator
Find your ideal internet speed based on household size, connected devices, and streaming habits.
Try It FreeWiFi Coverage Calculator
Calculate your WiFi coverage needs based on home size, walls, and connected devices. Get placement tips.
Try It FreeBusiness Internet Cost Comparator
Compare your current business internet costs against fiber plans. See real savings with no contracts.
Try It FreeAI Support Savings Calculator
Calculate how much your business saves switching from human support staff to AI agents.
Try It FreeTree Removal Cost Calculator
Estimate tree removal costs by size, condition, and access — with stump grinding and cleanup considerations.
Try It FreeROI Calculator
Calculate your return on investment — total profit, annualized ROI, and time-adjusted returns.
Try It FreeBreak-Even Calculator
Find your break-even point — units, revenue, and margin of safety for any product or service.
Try It FreeFinance
Smart money calculators for life's biggest financial decisions
Mortgage Calculator
Calculate your monthly mortgage payment with taxes, insurance, PMI, and see your full amortization breakdown.
Try It FreeLoan Calculator
Compare personal, auto, and student loan payments. See total interest and find the best repayment timeline.
Try It FreeCompound Interest Calculator
See how your investments grow over time with compound interest. Adjust contributions, rates, and time horizons.
Try It FreeSalary Paycheck Calculator
Estimate your take-home pay after federal tax, state tax, FICA, and deductions. Know what you actually earn.
Try It FreeSavings Goal Calculator
Plan your savings timeline — see when you'll hit your goal with monthly contributions and compound interest.
Try It FreeRent vs Buy Calculator
The ultimate rent vs buy comparison — total costs, crossover year, and net wealth side by side.
Try It FreeAuto Loan Calculator
Calculate your car payment with interest, tax, trade-in, and see the full amortization schedule.
Try It FreeEveryday
Quick tools for daily calculations everyone needs
Tip Calculator
Split the bill and calculate tips instantly. Preset percentages, custom amounts, and per-person breakdowns.
Try It FreePercentage Calculator
Three modes: find a percentage of a number, what percent one number is of another, or calculate percentage change.
Try It FreeAge Calculator
Calculate your exact age in years, months, and days — plus fun stats like heartbeats, breaths, and next birthday countdown.
Try It FreeMarkup Calculator
Calculate selling price, gross profit, and margin from cost and markup — or work backwards from a target price.
Try It FreeWhat is Quik-Calc?
Quik-Calc is a free collection of business, finance, technology, and everyday calculators designed to help you make smarter, data-driven decisions. Whether you're a first-time homebuyer estimating mortgage payments, a small business owner comparing AI receptionist costs, or just trying to figure out the tip at dinner, our tools give you instant, personalized answers. See your results without creating an account — no email needed. If you'd like extra help, some tools offer an optional way to share your contact information afterward.
How accurate are these calculators?
Our calculators use transparent formulas and clearly labeled assumptions. The salary calculator uses 2026 federal tax data and a detailed New York calculation; other states are simplified estimates. Mortgages use the standard amortization formula and savings tools use real compound interest mathematics. Business calculators factor in salary, benefits, and coverage inputs. Everyday tools like the tip and percentage calculators give you instant, precise results. Every number is broken down so you can see exactly how we arrived at it — no black boxes, no hidden upsells.
Who runs Quik-Calc?
Quik-Calc is owned and operated by Fuzzy Solutions, LLC (Elmira, NY). Our calculators use published formulas and clearly documented assumptions — every number is explained so you can verify it.