เครื่องคิดเลขบ้านและ DIY

Calculate price per unit from total price and quantity. Compare unit prices. Supports oz, ml, or custom units.

Calculate price per square foot for real estate. Enter total price and area. Compare property values.

Calculate fuel cost for trip. Enter distance, efficiency (km/L or L/100km), and fuel price. Get total cost.

Calculate electricity cost from watts, hours per day, and rate. Get daily and monthly cost. Appliance energy calculator.

Compare unit prices of two options. Find better deal. Enter price and quantity for each option.

Calculate MPG from miles driven and gallons used. Get L/100km equivalent. Fuel efficiency calculator.