From restaurant tip splitting and sales tax to BMI, mortgage payments, recipe scaling, and work timesheets. Instant calculations with zero signup, fully responsive, and country-adaptive.
Optimize your wellness with BMI, daily calories, water hydration, sleep cycles, heart rate zones, steps, and fasting windows.
Calculate your Body Mass Index (BMI) and health category based on World Health Organization standards.
Estimate your Total Daily Energy Expenditure (TDEE) and target calories for weight loss, maintenance, or muscle gain.
Find out how much water you should drink daily based on weight, workout intensity, and climate.
Calculate the best bedtime or wake-up time based on natural 90-minute REM sleep cycles to avoid waking up groggy.
Determine your aerobic, fat burn, and anaerobic heart rate training zones using the Karvonen formula.
Convert daily step count into kilometers, miles, and estimated active calories burned.
Split your daily calorie target into exact grams of protein, carbohydrates, and healthy fats based on your fitness goals.
Plan and track your eating and fasting windows for 16:8, 18:6, 20:4, and OMAD protocols.
Compare clinical ideal weight formulas (Devine, Robinson, Miller, and Hamwi) based on gender and height.
Estimate baby delivery date, current gestational week, and trimester based on your last menstrual period (LMP).
In everyday modern life, we make dozens of fast numerical decisions—from dividing the dinner check and estimating sales tax at checkout, to calculating compound interest on our monthly savings or adjusting recipe ingredients for family dinners.
Unlike generic calculators that only work in US dollars and US sales tax, Wishoo lets you set your home country (US, UK, India, Canada, Australia, Germany, France, Japan, UAE) to automatically adapt local tax rates (VAT, GST, Sales Tax) and currencies.
Calculations happen instantly in your browser as you type. Your personal numbers, financial data, and health stats are never uploaded or stored on any server.
Whether you are standing in a supermarket aisle on your phone or planning monthly budgets on your widescreen desktop, enjoy clean layouts, tap-friendly controls, and easy copy-to-clipboard results.