Life Tools
Practical calculators for size conversions, tire pressure, and materials
Life Tools List
- Fuel Cost Calculator - Estimate fuel cost from driving distance, fuel economy, and fuel price.
- Electricity Bill Calculator - Estimate a monthly electricity bill from power consumption in kWh.
- Battery Runtime Calculator - Estimate runtime from battery capacity in mAh and device current draw.
- Tip Calculator - Calculate tip amount, total payment, and per-person split from a bill and tip rate.
- Book Spine Thickness Calculator - Calculate printed book spine thickness from page count and paper thickness.
- Box Volume Calculator - Calculate box volume, surface area, and shipping dimensional weight from width, depth, and height.
- Pet Age Calculator - Convert dog or cat age into an approximate human-age equivalent.
- BMI Calculator - Calculate body mass index and a normal-weight range from height and weight.
- BMR Calculator - Estimate daily basal metabolic rate from sex, age, height, and weight.
- Calorie Calculator - Estimate maintenance, weight-loss, and weight-gain calories from BMR and activity level.
- Water Intake Calculator - Estimate daily water intake from body weight and a per-kg hydration rule.
- Caffeine Intake Calculator - Add up caffeine from drinks and compare daily intake against common guidance limits.
- Walking Calorie Calculator - Estimate calories burned from walking based on weight, distance, and pace.
- Running Pace Calculator - Calculate pace from distance and time, or estimate finish time from pace.
- Moving Box Calculator - Estimate how many moving boxes you need from home size, room count, and packing density.
- Food Storage Memo - Record food items, storage places, and dates to estimate expiration or use-by reminders.
- Tire Pressure Converter - Convert tire pressure between psi, bar, and kPa and compare common vehicle presets.
- Screen Size Compare - Compare display sizes by diagonal, aspect ratio, width, height, and screen area.
- Travel Budget Splitter - Split travel expenses by people and categories to estimate each person's share.
- Checklist Generator - Create a practical checklist from a topic or item list for trips, moving, shopping, or tasks.
- Shoe Size Converter - Compare shoe sizes across Korea, US, UK, EU, Japan, and foot length.
- Ring Size Converter - Convert ring size between Korean, US, UK, EU, circumference, and diameter values.
- Clothing Size Converter - Compare clothing sizes across global, Korean, US, EU, and measurement-based standards.
- Cooking Unit Converter - Convert common cooking units such as cups, tablespoons, teaspoons, mL, and grams.
- Recipe Scaler - Scale recipe ingredient amounts by changing servings or applying a multiplier.
- Baking Pan Converter - Compare baking pan sizes and calculate batter scaling by pan area.
- Paint Calculator - Estimate paint amount from wall area, coverage, and number of coats.
- Tile Calculator - Estimate tile count and material cost from area, tile size, and waste rate.
- Wallpaper Calculator - Estimate wallpaper rolls from wall dimensions, roll size, and waste.
- Curtain Size Calculator - Estimate curtain width and length from window size, fullness, and hanging style.
- TV Viewing Distance Calculator - Estimate comfortable viewing distance from TV size and resolution.
- Furniture Fit Calculator - Check whether furniture can fit through doors, elevators, hallways, or room spaces.