Daily Life Tools

Everyday calculators and converters for the whole world - health, money, kitchen, time, and random picks. All offline.

13 tools in this category

  • BMR & TDEE Calorie Calculator

    Calculate your daily calorie needs with the Mifflin-St Jeor equation - BMR, TDEE, and lose/maintain/gain targets.

  • Pregnancy Due Date Calculator

    Estimate your due date and current gestational age from the first day of your last period (Naegele's rule).

  • Sleep Cycle Calculator

    Find the best bedtime or wake time based on 90-minute sleep cycles so you wake up refreshed.

  • Currency Converter (Live)

    Convert 150+ currencies with free live daily rates (two key-less sources, 12h browser cache, offline fallback) plus a manual bank-rate override.

  • Fuel Cost & Mileage Calculator

    Work out the fuel cost of any trip from distance, efficiency (L/100km or MPG), and price - split across passengers.

  • Kitchen Converter (Oven & Cups)

    Convert oven temperatures (C/F/Gas mark) and cups-to-grams for common baking ingredients.

  • Work Hours & Pay Calculator

    Track daily start/end times and breaks across a week - total hours and weekly pay at your hourly rate.

  • Business Days Calculator

    Count working days between two dates with weekend and holiday exclusions.

  • Coin Flip & Dice Roller

    Cryptographically random coin flips and multi-dice rolls (d4-d100) for games and decisions.

  • Shoe Size Converter

    Convert shoe sizes between US, UK, EU, and foot length in centimeters for men, women, and kids.

  • Water Intake Calculator

    Estimate your suggested daily water intake from weight, exercise, and climate.

  • Roman Numeral Converter

    Convert numbers to Roman numerals and back, both directions, 1-3999.

  • Timezone Converter

    Convert date and time between any two IANA timezones with DST awareness, UTC offset display, and batch time conversion.