Free Online Tools
Fast, free, and privacy-friendly tools that work right in your browser. No signup, no data collection.
CalcHub is a collection of free online calculators for tech professionals, freelancers, e-commerce sellers, and everyday life. From LLM API cost estimation and EV charging calculations to TikTok Shop fee breakdowns and compound interest projections — every calculator runs entirely in your browser with zero data uploads. Your numbers stay private, always.
Whether you need to estimate 3D printing costs, calculate salary after inflation, figure out freelance taxes, or compare marketplace fees, our calculators are designed to be fast, accurate, and completely free with no signup required.
Tech Calculators
AI, crypto, and technology calculators
LLM API Cost Calculator
Enter your token usage, get per-request and monthly costs for GPT-4o, Claude, Gemini & Llama side by side. Free browser-based tool, no signup required.
EV Charging Cost Calculator
Enter battery size and electricity rate, get exact charging cost plus EV vs gas savings comparison. Works for Tesla, Rivian & all EVs. 100% free online tool.
3D Printing Cost Calculator
Enter filament weight and print time, get full cost breakdown for material and electricity. Supports PLA, ABS, PETG & more. Free, no account needed.
SaaS MRR Calculator
Enter your subscription plans and customer counts, get MRR, ARR, net MRR growth, LTV, and CAC payback period. Built for SaaS founders. Free online tool.
CPM Calculator
Free CPM calculator for digital advertising. Calculate cost per mille (thousand impressions), total ad spend, and impressions from your budget. Compare CPM rates across campaigns instantly.
E-Commerce
Marketplace fees and profit calculators
TikTok Shop Fee Calculator
Enter your price, see exact referral, platform & processing fees deducted. Instantly shows net profit and effective fee rate. Free tool for TikTok sellers.
Marketplace Fee Calculator
Enter your item price, compare net profit across eBay, Etsy, Amazon, Poshmark & Mercari side by side. Find the most profitable platform. Free online tool.
Poshmark Fee Calculator
Enter your sale price, instantly see Poshmark commission, net earnings, and compare with other marketplace fees. Free online tool for Poshmark sellers.
Venmo Fee Calculator
Calculate Venmo fees for business payments, credit card transactions, and instant transfers. Compare Venmo vs PayPal vs Zelle fees side by side. Free online tool.
Whatnot Fee Calculator
Calculate Whatnot selling fees including 8% seller fee and payment processing charges. See your actual earnings after all fees. Free online calculator.
Grailed Fee Calculator
Calculate Grailed selling fees including 9% commission and PayPal processing fees. See your net earnings after all fees. Free online calculator.
Reverb Fee Calculator
Calculate Reverb selling fees including 5% commission and payment processing (2.7% + $0.25). See your net earnings on musical gear sales. Free calculator.
Cash App Fee Calculator
Calculate Cash App fees for instant deposits, business payments, and Bitcoin transactions. Compare Cash App vs Venmo vs Zelle fees. Free online calculator.
Etsy Fee Calculator
Calculate all Etsy selling fees: listing fee, transaction fee (6.5%), payment processing (3% + $0.25), and offsite ads. See your true profit. Free calculator.
Square Fee Calculator
Calculate Square payment processing fees for in-person (2.6% + $0.10), online (2.9% + $0.30), and manually keyed (3.5% + $0.15) transactions. Free calculator.
Amazon FBA Fee Calculator
Calculate Amazon FBA fees including referral fees, fulfillment fees, and storage costs. See your true profit margin. Enter product details for instant results.
GunBroker Fee Calculator
Calculate GunBroker final value fees with tiered rates. See your net earnings after all seller fees. Includes fee comparison with other platforms. Free calculator.
eBay Final Value Fee Calculator
Calculate eBay final value fees by category, with and without eBay Store subscription. See total fees including payment processing. Free online calculator.
Copart Fee Calculator
Free Copart fee calculator. Estimate buyer fees, gate fees, internet bid fees, and total costs for Copart vehicle auctions. See exact fee breakdown before you bid.
Depop Fee Calculator
Free Depop fee calculator. Calculate payment processing fees and net earnings on Depop. See exactly how much you keep after selling on Depop in 2026.
Mercari Fee Calculator
Free Mercari fee calculator. Calculate selling fees, payment processing fees, shipping costs, and net earnings for your Mercari sales. Instant results.
Airbnb Fee Calculator
Free Airbnb host fee calculator. Calculate host service fees, cleaning fee impact, net payout per booking, and monthly earnings. See the guest view breakdown too.
PayPal Fee Calculator
Calculate exact PayPal fees for any transaction. Covers standard payments, Goods & Services, Friends & Family, invoices & micropayments. See the fee amount, net you receive, and how much to charge to receive your target amount.
Fiverr Fee Calculator
Calculate Fiverr fees instantly. See exactly how much Fiverr takes from your earnings as a seller, or what buyers pay in service fees. Enter any gig price to get your net payout.
Shopify Fee Calculator
Calculate Shopify fees for any plan. See credit card processing rates, transaction fees for 3rd-party gateways, and net revenue per sale. Covers Basic, Shopify, and Advanced plans.
Upwork Fee Calculator
Calculate Upwork fees for freelancers and clients. See how much Upwork takes from your earnings, your net payout, and the rate to charge to hit your income goal.
Facebook Marketplace Fee Calculator
Calculate Facebook Marketplace selling fees: 5% (min $0.40) for shipped items. Free for local pickup. Instant net profit calculation for sellers.
Ticketmaster Fee Calculator
Calculate Ticketmaster fees before buying. Estimate service fees (avg 28%), order processing ($2.95-$5), and facility charges. See total ticket cost instantly.
Payoneer Fee Calculator
Calculate Payoneer receiving fees by payment method: e-check 1%, credit card 3%, PayPal 2%. See net payout instantly. Free online Payoneer fee estimator.
Zelle Fee Calculator
Zelle personal transfers are free — $0 fee. This calculator confirms your Zelle transfer cost and compares Zelle vs Venmo, Cash App, and PayPal fees side by side.
Klarna Fee Calculator
Calculate Klarna merchant fees instantly. Enter transaction amount to see exact Klarna processing fees, net payout, and comparison with PayPal and Afterpay. Free tool.
Afterpay Fee Calculator
Calculate Afterpay merchant fees instantly. See exact processing fees, net payout, and compare with Klarna and PayPal. Free Afterpay fee calculator for online stores.
Finance
Salary, tax, and money calculators
Salary Inflation Calculator
Enter a salary and two years, see its inflation-adjusted value using official US CPI data. Ideal for raise negotiations. Free browser-based calculator.
Pay Raise Calculator
Enter your salary and raise %, get the after-tax take-home increase per paycheck. Includes federal tax, Social Security & Medicare. Free, no signup needed.
Freelance Tax Calculator
Enter your 1099 income and deductions, get federal + self-employment tax and quarterly payment amounts. Built for freelancers and contractors. 100% free.
Compound Interest Calculator
Enter principal, monthly contributions & rate, get a year-by-year growth table with total interest earned. Plan retirement or savings goals. Free online tool.
Stripe Fee Calculator
Enter your transaction amount, see exact Stripe fees for domestic, international, and currency conversion. Compare with PayPal fees side by side. Free tool.
Freelance Rate Calculator
Enter your desired salary, expenses, and time off, get your ideal hourly, daily, and monthly freelance rate. Includes tax and expense breakdowns. Free tool.
Cost Per Hire Calculator
Enter internal and external recruiting costs, get your total cost per hire, cost breakdown, and benchmarks. Essential for HR teams and recruiters. Free tool.
Credit Card Fee Calculator
Calculate credit card processing fees by card type (Visa, Mastercard, Amex, Discover). See interchange, assessment, and processor markup fees. Free tool.
Credit Card Processing Fee Calculator
Compare credit card processing pricing models: flat rate, interchange-plus, and tiered. Enter your monthly volume and average ticket to see total costs. Free tool.
Coinbase Fee Calculator
Calculate Coinbase trading fees based on your transaction amount and payment method. Compare Coinbase vs Coinbase Advanced fees. Free online calculator.
Realtor Fee Calculator
Calculate realtor commission fees based on home sale price. See total commission, agent splits, and seller net proceeds. Supports custom commission rates.
IAAI Fee Calculator
Calculate IAAI (Insurance Auto Auctions) buyer fees including tiered buyer premiums, gate fees, and online bidding fees. See total purchase cost. Free calculator.
Percentage Calculator
Free percentage calculator. Calculate percentages, percentage change, percentage difference, and more. Solve any percentage problem instantly.
Loan Calculator
Free loan calculator. Calculate monthly payments, total interest, and amortization schedule. Works for mortgages, auto loans, and personal loans.
DCA Calculator
Free dollar cost averaging (DCA) calculator. Estimate investment growth with regular contributions, see total returns, and compare DCA vs lump sum investing. Supports weekly, biweekly, and monthly contributions.
Balance Transfer Fee Calculator
Free balance transfer fee calculator. Calculate transfer fees, total interest costs, monthly payments, and savings from a credit card balance transfer. Compare current card vs. transfer offer.
USCIS Fee Calculator
Calculate USCIS filing fees for I-485, N-400, I-130, I-765, and 10+ immigration forms. Includes biometrics fee and total cost. Updated 2025 fee schedule.
Western Union Fee Calculator
Estimate Western Union transfer fees by send amount, payment method, and destination. See transfer fee, exchange rate margin, and how much your recipient gets.
HOA Fee Calculator
Free HOA fee calculator. Estimate monthly homeowners association fees based on property type, amenities, and community size. See annual costs and reserve fund contributions.
Personal Injury Attorney Fee Calculator
Calculate personal injury attorney contingency fees. Enter settlement amount and fee percentage to see attorney fee, expenses, and your net recovery.
SBA Guaranty Fee Calculator
Calculate SBA loan guaranty fee based on loan amount, guaranteed portion, and loan term. Estimate upfront and annual service fees for 7(a) loans.
Investment Fee Calculator
Calculate how investment management fees erode returns over time. Compare portfolios with and without fees to see the true long-term cost of fund expenses.
Loan Origination Fee Calculator
Calculate loan origination fees by percentage or flat amount. See total closing cost impact, effective APR adjustment, and compare origination fee options.
Financial Advisor Fee Calculator
Calculate how much you pay a financial advisor by fee type: AUM percentage, flat fee, hourly, or performance-based. See the long-term impact on your portfolio.
Probate Fee Calculator
Calculate probate fees for your estate including attorney fees, executor fees, and court costs. Supports California, Florida, and custom fee structures.
YouTube Revenue Calculator
Estimate YouTube ad revenue by views and RPM. Calculate monthly and annual earnings after YouTube's 45% cut. See how much YouTubers make per 1,000 views.
Instacart Shopper Earnings Calculator
Calculate Instacart shopper earnings per hour and week. Estimate batch pay, tips, mileage deductions, and net income. See if Instacart is worth it for you.
Profit Margin Calculator
Calculate gross profit margin, net profit margin, and markup percentage. Enter revenue, COGS, and expenses. Instant results for business owners and investors.
Debt Payoff Calculator
Calculate when you'll pay off debt, total interest paid, and interest saved with extra payments. Works for credit cards, personal loans, and any fixed-interest debt.
Loan Payoff Calculator
Calculate your loan payoff date, total interest, and how much extra payments save. Enter balance, rate, monthly payment, and extra payment for instant results.
Wise Fee Calculator
Calculate exact Wise (formerly TransferWise) transfer fees for any currency pair. Compare with PayPal, bank wire, and Western Union. Free tool, no signup.
Crypto Profit Calculator
Calculate your crypto profit or loss instantly. Enter buy price, sell price, and investment amount to see net profit, ROI %, and tax estimates. Free crypto calculator.
401k Withdrawal Calculator
Calculate your 401k early withdrawal penalty, federal taxes, and net amount. See how much you actually get from a 401k withdrawal before age 59½. Free calculator.
SBA Packaging Fee Calculator
Calculate SBA 7(a) loan packaging fees based on loan amount. See lender, broker, and third-party packager fees. Free SBA loan cost estimator.
Savings Goal Calculator
Calculate how much to save monthly to reach your financial goal. Enter your target amount, time frame, and interest rate to get your monthly savings plan. Free calculator.
Net Worth Calculator
Calculate your personal net worth instantly. Enter your assets (savings, investments, property) and liabilities (loans, credit cards). Free online net worth tracker.
Chime Fee Calculator
Calculate Chime instant transfer fees and ATM charges instantly. See exact Chime fees for instant transfers, out-of-network ATMs, and compare with Venmo and PayPal. Free tool.
Lifestyle
Health, hobby, and everyday calculators
EV vs Gas Calculator
Enter your driving habits, gas price, and electricity rate, get a side-by-side annual cost comparison for EV vs gas vehicles with 5-year savings projection. Free tool.
Electricity Cost Calculator
Enter wattage and usage hours, get daily, monthly & yearly electricity costs instantly. Includes AC, heater, PC & fridge presets. Free, no signup required.
BMI Calculator
Free BMI calculator. Calculate your Body Mass Index using height and weight. Get health category and recommended ranges. Supports metric and imperial.
Age Calculator
Free age calculator. Calculate exact age in years, months, and days from date of birth. Find age at a specific date or days between two dates.
Tip Calculator
Free tip calculator with bill splitting. Calculate tip amounts, split bills between people, and get per-person totals. Supports custom tip percentages.
Tree Removal Cost Calculator
Estimate tree removal cost by height, access difficulty, hauling, and cleanup. See low, high, and recommended budget ranges before you call an arborist.
Home Addition Cost Calculator
Estimate home addition cost by square footage, finish level, structural complexity, and fixed extras. See realistic low and high budget ranges instantly.
Window Replacement Cost Calculator
Estimate window replacement cost by number of windows, product tier, trim work, and installation complexity. Get a realistic low-to-high budget range.
Fence Cost Calculator
Estimate fence installation cost by linear feet, material tier, terrain difficulty, and gate extras. See low, high, and recommended budget ranges instantly.
Foundation Repair Cost Calculator
Estimate foundation repair cost by affected area, severity, and fixed extras like drainage or engineering. See low, high, and recommended budget ranges fast.
Mold Remediation Cost Calculator
Estimate mold remediation cost by square footage, containment level, demolition scope, and fixed extras. See realistic low and high cleanup budgets.
Bathroom Renovation Cost Calculator
Estimate bathroom renovation costs by selecting fixtures, labor, and finishes. Get instant cost breakdowns for full remodel, partial update, or DIY projects.
Dental Implant Cost Calculator
Calculate dental implant costs by implant type, quantity, and location. Compare single implant, full arch, and All-on-4 costs with insurance estimates.
Asphalt Driveway Cost Calculator
Estimate asphalt driveway costs by size, thickness, and labor rates. Calculate material costs per square foot for new installation or resurfacing.
Roofing Cost Calculator
Estimate roofing replacement cost by material, area, and pitch. Get material, labor, and tear-off costs with a min–max range. Free roof cost estimator.
Moving Cost Calculator
Calculate moving costs by distance, home size, and services. Get instant estimates for local and long-distance moves with packing, storage, and specialty item add-ons.
Solar Panel Cost Calculator
Calculate solar panel system cost, savings, and payback period based on your electric bill and available roof space. Includes federal and state incentive estimates.
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