Home Tools Calculators

Use these calculators for quick planning estimates. Results are informational only. Every calculator also has a dedicated guide page with formulas, examples, common mistakes, and FAQs.

How to use these calculators correctly

Enter numbers from your latest bill, appliance label, product manual, room measurement, supplier quote, or lease estimate whenever possible. The calculators are built for planning and comparison, not guaranteed final pricing.

  • Electricity tools: use watts, realistic daily hours, billing days, and your local rate per kWh.
  • AC tools: use BTU for sizing and watts for running cost. Room sunlight, insulation, people, and thermostat habits can change the result.
  • Paint and flooring tools: measure twice, add waste, and check product coverage before buying materials.
  • Rent and moving tools: include utilities, fees, deposits, supplies, and an emergency buffer.

Electric Bill Calculator

Estimated use: 120.0 kWh · Cost: $20.40

AC BTU Calculator

Recommended estimate: 5,000 BTU

Paint Calculator

Wall area: 432 sq ft · Paint: 2.47 gallons

Flooring Calculator

Base area: 144.0 sq ft · Buy: 158.4 sq ft

Rent Calculator

Estimated max rent: $1200.00

Water Bill Calculator

Usage: 4500 gallons · Cost: $35.63

Gas Bill Calculator

Estimated use: 36.0 therms · Cost: $62.20

Appliance Cost Comparison

Old: $22.95 · New: $13.77 · Savings: $9.18

LED Savings Calculator

Monthly savings: $10.40 · Yearly savings: $124.85

Ceiling Fan Cost Calculator

Estimated use: 16.8 kWh · Cost: $2.86

Utility Budget Calculator

Estimated monthly utilities: $325.00 · Yearly: $3900.00

Move-In Cost Calculator

Estimated move-in cash needed: $5100.00

AC Running Cost Calculator

Estimated use: 172.8 kWh · Cost: $29.38

Appliance Wattage Cost Calculator

Estimated use: 72.0 kWh · Cost: $12.24

Paint Coverage Calculator

Paint needed: 3.14 gallons

Flooring Boxes Calculator

Buy area: 264.0 sq ft · Boxes needed: 14

Rent-to-Income Ratio Calculator

Housing ratio: 36.7% of income

Internet + Utilities Monthly Cost Calculator

Monthly total: $345.00 · Yearly: $4140.00

Moving Cost Calculator

Estimated moving cost: $680.00

Room Area Calculator

Area: 120.0 sq ft · Single-room perimeter: 44.0 ft

Home Maintenance Budget

Monthly reserve: $258.33 · Yearly reserve: $3100.00