Cell Phone Plan Calculator

Calculate total cost of buying a phone and carrier plan, including interest. Enter contract duration, monthly bills to calculate costs.

Result Total Cost Buying Phone $0 Total Cost Buying Carrier $0 Difference $0

Total Cost Buying Phone Formula

Total cost buying phone = Phone cost with interest + Monthly bill × Months

$1,000 + $60 × 24 = $2,440.Tom buys his phone upfront for $1,000 (with no interest) and pays $60/month for service over 24 months. His total cost is $2,440. This result shows the total amount paid when purchasing the phone outright and using a separate service plan.

Total Cost Buying Carrier Formula

Total cost buying carrier = Monthly bill carrier × Months

$105.83 × 24 ≈ $2,540.If Tom finances the phone through the carrier, his monthly bill (including $45.83 for the phone and $60 for service) totals $105.83. Over 24 months, he pays $2,540. This represents the total cost of a carrier plan that includes phone financing.

Difference Formula

Difference = Total cost buying carrier − Total cost buying phone

$2,540 − $2,440 = $100.By purchasing the phone upfront, Tom saves $100 compared to financing it through the carrier over 24 months. The result ($100) highlights the financial benefit of buying the phone outright.