Split restaurant bills, calculate tip amounts, estimate fuel costs, concrete volumes, and generate secure passwords for everyday practical tasks.
Calculators in this category
- Tip Calculator — Split a bill and calculate the tip for any group size.
- Fuel Cost Calculator — Estimate trip fuel cost from distance, mileage, and price.
- Gas Mileage Calculator — Calculate fuel efficiency from distance and fuel used.
- Concrete Calculator — Estimate concrete volume and bag count for a pour.
- Subnet Calculator — Find subnet masks, ranges, and host counts for an IP block.
- Password Generator — Generate random passwords with your chosen length and rules.
- Dice Roller — Roll one or more virtual dice with any number of sides.
- Coin Flipper — Flip a 3D virtual coin to make fair decisions and track heads/tails statistics.
- Paint Calculator — Estimate exact litres of paint and total cost for any room based on wall area, coats and coverage.
- Emergency Fund Calculator — Size your emergency fund based on essential expenses, dependents, job stability and number of income streams, not just a generic rule of thumb.
- Electricity Bill Calculator (India) — Estimate your monthly electricity bill across major state DISCOMs with slab-wise calculation and optional rooftop-solar offset.
- EV vs ICE Cost Calculator — Compare the 5-year total cost of owning an electric vehicle against a petrol or diesel car, with energy cost, service, resale and per-km running captured.
- Gravel Calculator — Estimate gravel volume, weight, bag count and cost from area, depth and bag size.
- Mileage Calculator — Calculate trip km/L, L/100 km and optional per-km reimbursement from distance and fuel used.
- Mulch Calculator — Calculate mulch volume, weight, bags and cost from garden bed area and depth.
- Roofing Calculator — Convert building footprint and roof pitch into roofing squares, surface area and material cost.
- Stair Calculator — Lay out riser count, tread count, run length and stringer size from total rise and step dimensions.
- Tile Calculator — Count floor tiles and boxes from room size, tile dimensions, wastage and price per box.
- Currency Converter — Convert amounts between major world currencies using static snapshot rates — quick estimates, not live bank quotes.
- Shoe Size Calculator — Convert shoe sizes between US, UK, EU, and foot length in centimetres using standard length tables.
- Aspect Ratio Calculator — Calculate aspect ratio from width and height in pixels, or compute missing dimension from a target ratio.
- Cubic Yards Calculator — Convert length × width × depth into cubic yards, cubic feet, and cubic metres for concrete, mulch, and fill.
- Feet and Inches Calculator — Add or subtract lengths in feet and inches and get the result in ft-in, total inches, and decimal feet.