All your everyday calculations with BenTools
Financial simulators, developer utilities, home renovation estimators, and sports calculators. Fast, reliable, and privacy-first.
5 Specialized Tool Categories
Quickly access your favorite calculations across our 5 official categories.
Finance & Wealth
Gross to net salaries for 6 countries, loan simulator, VAT calculation, Zakat, live gold and currency exchange rates.
Construction & DIY
Paint, tile estimators, concrete volume & dosage, roof slopes, and metric-imperial unit converters.
Web Tools
QR Code generator, secure passwords, word & character counter, and JSON code formatter.
Health & Fitness
BMI calculator, basal metabolic rate, running pace, target heart rate, and body fat percentage.
Daily Utilities
Exact age calculator, date difference, Hijri calendar converter, percentages, and fuel cost estimator.
Multi-Country Gross to Net Salary Calculator
Accurately convert your gross salary to net pay for Morocco 🇲🇦, France 🇫🇷, Belgium 🇧🇪, Spain 🇪🇸, Canada 🇨🇦, and the United States 🇺🇸.
Official Catalogue of 31 BenTools Utilities(42 tool(s))
Gross to Net Salary Calculator
Accurate gross to net pay conversion for 6 countries (Morocco, France, Belgium, Spain, Canada, USA) with withholding tax & social charges.
Mortgage Loan & Debt Repayment Calculator
Calculate monthly payments with/without insurance, total interest, estimated APR, and full interactive amortization schedule.
VAT & Sales Tax Calculator (HT ⇄ TTC)
Instant & reverse HT ⇄ TTC tax conversion for 7 countries, official 2026 rates, SVG donut chart, and multi-item quote basket with PDF print export.
Zakat al-Maal Calculator (Savings, Gold, Silver & Nisab)
Accurately calculate your annual Islamic Zakat al-Maal (2.5%) based on the official Nisab threshold (85g Gold or 595g Silver) across cash, gold, and stocks.
Live Gold & Silver Price & Jewelry Calculator
Live prices per gram and troy oz (24K, 22K, 21K, 18K, Silver 999/925, Platinum), jewelry making fee simulator and Zakat Nisab threshold.
Live Foreign Exchange Currency Converter
Official daily exchange rates for 35+ major currencies with instant real-time interbank cross-rates conversion.
Compound Interest & Investment Growth Simulator
Forecast investment growth over time with compound interest, regular monthly contributions, and interactive annual schedule.
Rental Yield & Cash Flow Property Calculator
Accurately calculate gross yield, net yield after operating expenses and taxes, and monthly cash flow with mortgage simulation.
Paint Coverage & Can Estimator
Accurately calculate paint liters and can quantities for walls and ceilings with automated doors & windows deduction.
Tile & Grout Calculator with Wastage
Determine total square meters, tile pack counts, adhesive mortar and grout volume with recommended cutting waste margins.
Concrete & Mortar Mix Calculator
Calculate cubic volume for slabs, footings, and posts. Exact mix requirements in cement bags, sand, gravel, water, and wheelbarrows.
Earthwork, Excavation & Soil Swell Calculator
Calculate bank cubic volume, loose swelled soil volume, haul truck trips, and total tonnage for excavation works.
Heating & Cooling BTU / Wattage Sizing Calculator
Accurately size your radiators, heat pump, or split AC unit in Watts, kW, BTU/hr, and Frigories based on insulation, sun exposure, and room volume.
Drywall, Stud & Track Materials Calculator (Plasterboard)
Accurately calculate drywall sheets, studs, tracks, screws, tape, and joint compound for partitions and ceilings.
Gravel, Sand & Aggregate Quantity Calculator
Accurately calculate cubic meters, tonnage, bulk bags, and 25 kg bags of gravel, sand, or crushed stone for driveways and patios.
Slope & Roof Pitch Calculator (Degrees ⇄ Percentage & Ramp)
Accurately calculate and convert slope between percentage (%), pitch degrees (°), elevation drop, and rake length for roofs, gutters, and ADA wheelchair ramps with live SVG diagram.
Civil Engineering & Construction Unit Converter
Specialized engineering unit converter: mechanical pressure & strength (MPa, Bar, PSI), volumes, bulk densities, hydraulic flow (L/s, m³/h), land areas, and forces (kN, tf).
Wallpaper Roll & Pattern Repeat Calculator
Accurately estimate wallpaper rolls, full strips, and paste needed based on wall dimensions, ceiling height, and pattern repeat match (free, straight, or drop).
Custom Vector QR Code Generator (URL, Wi-Fi, vCard)
Create sharp, high-res custom QR codes for web URLs, instant Wi-Fi keys, vCard contacts, and WhatsApp chats in vector SVG & PNG.
Secure Password Generator & Strength Checker
Generate unhackable, high-entropy passwords and passphrases 100% client-side via Web Crypto with instant crack time estimates.
Word, Character & Reading Time Counter
Live text analytics counting words, characters (with/without spaces), sentences, paragraphs, reading speed, and social limits.
Image Compressor & Converter (WebP / JPG / PNG)
Compress, convert, and resize images to WebP, JPG, or PNG 100% client-side in your browser. Reduce file size up to -85% without noticeable loss.
JSON Formatter, Validator & Minifier
Validate, prettify, minify, and sort JSON data 100% client-side in your browser with line-and-column syntax error pinpointing.
Base64, URL & HTML Entities Encoder / Decoder
Instant text and file conversion to Base64 (UTF-8), Image Data URI generator, URL encoding (RFC 3986), and HTML entities 100% client-side.
Color Converter & Picker (HEX, RGB, HSL, CMYK)
Live bidirectional color conversion between HEX, RGB, HSL, and CMYK with visual picker, WCAG contrast audit, and color harmony palettes.
HTML, CSS & JavaScript Code Minifier
Shrink web code up to -70% by stripping unnecessary whitespaces and comments 100% client-side to elevate Google Core Web Vitals.
BMI, Ideal Weight & Caloric Needs Calculator
Calculate your BMI using WHO thresholds, interactive SVG gauge, healthy weight range, and daily energy expenditure (Mifflin-St Jeor BMR/TDEE).
Daily Calorie & BMR Calculator (TDEE, Deficit & Macros)
Accurate calculation of basal metabolic rate (Mifflin-St Jeor), total daily expenditure (TDEE), and custom macronutrient breakdown.
Running Pace, Speed & Race Time Calculator
Calculate pace (min/km, min/mi), average speed, kilometer splits, and projected finish times from 5K to Marathon.
Daily Water Intake & Hydration Calculator
Calculate your recommended daily water volume based on body weight, workout intensity, and climate with an hourly drinking schedule.
Sleep Cycle & Optimal Wake-Up Calculator
Calculate your ideal bedtime and wake-up times based on 90-minute circadian sleep cycles. Eliminate sleep inertia and optimize power naps.
One Rep Max (1RM) Calculator & Training Load Chart
Estimate your 1RM for weightlifting and calculate your optimal workout loads from 50% to 100% using Brzycki, Epley, Lander, and RPE.
Body Fat Percentage Calculator (US Navy)
Accurately estimate body fat percentage, lean muscle mass, and fitness category using the official US Navy tape method.
Target Heart Rate & Training Zones Calculator (Karvonen)
Accurately calculate your 5 cardio training zones (Zone 2 base endurance, anaerobic threshold, VO2 max) using the Karvonen formula.
Calories ⇄ Joules & Energy Burn Converter
Convert kcal to kJ and calculate physical workout times needed to burn calories based on your body weight.
Date Duration, Workdays & Countdown Calculator
Calculate exact days, weeks, months, years, and working business days (excluding weekends), add or subtract time, and track live countdowns.
Exact Age Calculator & Birthday Countdown
Discover your exact age in years, months and days, the weekday you were born, your zodiac signs and a live countdown to your next birthday.
Hijri (Islamic) to Gregorian Date Converter
Convert dates reliably between the Islamic lunar Hijri calendar and the solar Gregorian calendar with moon sighting adjustment.
Universal Percentage & Discount Calculator
Calculate discount savings, percentage increases, proportions, and reverse percentage calculations instantly.
Random Number Generator & Lucky Draw
Impartial, cryptographically secure randomness: pick numbers, select giveaway contest winners, generate teams, and roll dice.
Trip Cost, Fuel & Electric Vehicle Calculator
Accurately estimate fuel (gasoline, diesel) or EV charging budget for your trips, including highway tolls, parking fees, and carpool split costs.