Calcworks
Live Calculation Tools
Browse all live finance, everyday utility, and helper tools currently available on Calcworks.
English
Live tools
The tools below are currently accessible and published with their own landing pages.
Finance
Bank Deposit Interest
Gross/Net interest, withholding tax, and daily earnings.
Percentage Calculator
Calculate percentages, percentage change, and ratio-based results in one place.
VAT Calculator
Add or remove VAT with preset or manual tax rates.
Gross Net Salary
Estimate net salary and payroll deductions from gross pay.
Multi Asset Basket
Combine USD, EUR, GBP, CHF, and gold values with historical Frankfurter FX data or manual scenarios.
Loan Calculator
Monthly payment, total cost, and interest analysis.
Vehicle Installment Calculator
Estimate monthly payments and total repayment from vehicle price, down payment, term, and balloon payment.
Mortgage Calculator
See monthly payments, total interest, and total repayment from price, down payment, rate, and term.
Zakat Calculator
Estimate the zakatable base using cash, metals, trade goods, receivables, and liabilities.
Portfolio Allocation Calculator
Compare target asset percentages with portfolio totals and allocation drift.
Raise vs Inflation
Check whether your salary increase preserved real purchasing power.
Electricity / Gas Bill Estimate
Estimate a monthly utility total from electricity and gas usage.
Freelancer Hourly Rate Calculator
Estimate a sustainable freelance hourly rate from income and billable time.
IBAN Validator
Validate an IBAN with checksum, structure, and country-length checks.
Germany Net Salary Calculator
Estimate German take-home pay with 2026 tax and statutory contribution assumptions.
France Net Salary Calculator
Estimate French take-home pay with official tax brackets and standard employee rates.
Netherlands Net Salary Calculator
Estimate Dutch take-home pay with 2026 payroll tables and tax credits.
UK Net Salary Calculator
Estimate UK take-home pay with PAYE tax and NI assumptions.
Maturity Calculator Center
Compare deposit, loan, and trade terms in one workspace.
Late Payment Interest Calculator
Estimate late invoice recovery from amount, overdue days, interest, and compensation.
Global
BMI Calculator
Check your body mass index using height and weight inputs.
Date Difference Calculator
Measure day difference between two dates or count down to a target date.
Currency Converter
Real-time exchange rate calculations.
World Time Meeting Planner
Compare current times across cities and find shared meeting windows.
GPA / CGPA Calculator
Enter course grades and credits to calculate term GPA and cumulative CGPA.
Working Days Calculator
Count working days, weekends, and total days between two dates.
Hijri Gregorian Converter
Convert dates between the Gregorian and Hijri calendars in both directions.
Duration / Time Converter
Convert and add hours, minutes, and seconds in one place.
How Many Hours Do You Work
Estimate weekly, monthly, and yearly net work hours from your routine.
Scholarship Pre-Assessment
Get an early scholarship-fit score from GPA, income, and support indicators.
Travel Budget Calculator
Plan the total travel budget with transport, stay, food, and activity costs.
Moving Country Salary Comparator
Compare the same gross salary across UK and Turkey after payroll and housing burden.
Developer
JSON Formatter
JSON validation, formatting, and minification.
Password Generator
Generate secure passwords with length and character controls.
Random Secret / Token Generator
Generate random strings for API keys, webhook secrets, and tokens.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back into readable content.
Unix Timestamp Converter
Convert between Unix timestamps and readable dates instantly.
JWT Decoder
Decode JWT header and payload content entirely client-side.
QR Code Generator
Generate downloadable QR codes for text, URLs, and short content.
Character / Word Counter
See character, word, line, and paragraph counts instantly.
Cron Expression Translator
Turn cron expressions into readable schedule explanations.
Color Code Converter
Convert HEX, RGB(A), and HSL(A) color values in one place.
Regex Explainer
Break down a regex pattern token by token with readable explanations.
Niche
Title Deed + Stamp + Commission Calculator
Estimate title deed fee, stamp tax, and agency commission impact for buyer and seller.
Rent Increase Calculator
Compare proposed rent increase with legal cap and estimate updated rent plus period delta.
Construction Cost Estimator
Estimate total project budget and final m² cost with unit cost and overhead assumptions.
Rental Yield Calculator
Estimate gross/net rental yield, total return rate, and net payback period for a property.
Withholding Tax Calculator
Calculate withholding deduction, period net payout, and total tax from gross amount.
Legal Fee and Court Cost Calculator
Estimate attorney fee, VAT, court costs, and total legal burden from claim amount.
Freight Trip Cost Calculator
Estimate freight trip cost and suggested quote from distance, fuel, toll, and driver inputs.
Restaurant Menu Price and Profit Calculator
Calculate menu selling price and gross profit from portion cost, overhead, target margin, and VAT.
Slope / Grade Converter
Convert rise and run into grade percentage, angle in degrees, and 1:X ratio.
Area / Volume Converter
Convert area and volume values across m², ft², yd², m³, and ft³ units.
Ohm's Law Calculator
Solve one electrical variable from two known values and review power output.
Parquet / Laminate Calculator
Estimate required pack count and cost from floor area, waste ratio, and pack coverage.
Paint Calculator
Calculate paint liters and total cost using area, coats, and coverage rate.
Brick Wall Calculator
Estimate brick quantity from wall size, opening area, brick dimensions, and joint thickness.
Concrete Slab Calculator
Estimate concrete slab volume, waste-adjusted volume, and approximate truck count.
Water Flow Calculator
Calculate flow metrics from pipe diameter, velocity, and pressure values.
Depth of Field Calculator
Compute hyperfocal distance and DOF range from focal length, aperture, and subject distance.
Exposure Triangle Calculator
Solve shutter, aperture, or ISO from an EV100 target and two known exposure values.
Flash Guide Number Calculator
Calculate flash guide number, aperture, or distance with ISO-aware scaling.
3-Phase Power Calculator
Compute active, apparent, and reactive 3-phase power values from electrical inputs.
Voltage Drop Calculator
Calculate single/three-phase voltage drop (V, %) from current, length, and cable section.
Breaker Sizing Calculator
Pick the nearest upper standard breaker value from load current and safety margin.
Cable Cross Section Calculator
Find required and suggested standard cable section for a target drop percentage.
Depreciation Calculator
Calculate annual depreciation and ending book value with straight-line or declining-balance methods.
Annual Leave Calculator
Calculate entitled and remaining annual leave from years of service, age, and used days.
Overtime Calculator
Estimate weekday, weekend, and holiday overtime pay from hourly rate and multipliers.
Employer Total Cost Calculator
Calculate full employer-side cost from gross salary, contribution rates, and additional overhead.
SGK Incentive Calculator
Compare baseline and incentivized employer premium to estimate monthly and period savings.
Real Estate ROI Calculator
Estimate cap rate and projected total ROI using rent, costs, vacancy, and appreciation assumptions.
DLD Transfer Fee Calculator
Estimate Dubai property transfer, registration, and mortgage registration costs.
Buy vs Rent Calculator
Compare buying and renting with mortgage, rent growth, appreciation, and alternative return assumptions.
Fertilizer Need Calculator
Estimate fertilizer requirement from area, yield target, soil nutrient stock, and N-P-K ratio.
Diesel Subsidy Calculator
Estimate annual diesel subsidy from fuel consumption, price difference, eligibility, and cap.
Harvest Revenue Estimator
Estimate net harvest revenue from area, yield, sale price, loss rate, and operating costs.
Load Profit Calculator
Calculate load-level profit from revenue, distance, fuel, driver, toll, and commission costs.
EU Tacho Calculator
Estimate EU driving, break, and daily rest windows for planning.
US HOS Calculator
Estimate US HOS driving, shift, and cycle time remaining.
EU Road Toll Estimator
Estimate toll cost from loaded kilometers, empty return, and emission discount.
IFTA Fuel Tax Calculator
Estimate IFTA tax due or credit from taxable miles, MPG, and tax paid at pump.
Per Diem Calculator
Estimate remaining per diem claim from travel days, daily rate, and reimbursement.
Enforcement Interest Calculator
Estimate claim interest from principal, annual rate, elapsed days, and costs.
Statute of Limitations Calculator
Estimate remaining limitation time from years, elapsed days, and pause days.
Quote Profit Calculator
Calculate quote price and profit margin with material, labor, waste, discount, and VAT.
Reorder Point Calculator
Calculate reorder threshold from usage, lead time, and available stock.