Recalculate service charges and tax
A homeowner is checking whether the tax on a sample electricity statement was applied after the monthly service fee was added.
Open CalculatorInputs and calculation
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 325 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.2 |
| Service fee (USD) | 15 |
| Tax on usage plus service fee (%) | 8 |
Usage is 325 × 0.20 = 65.00. Tax is (65 + 15) × 0.08 = 6.40.
Tool result · USD 86.40
| Tool input | Value |
|---|---|
| Currency | USD |
| Utility | Electricity (kWh) |
| Metered usage | 325 |
| Tariff type | Flat rate |
| Price per billing unit (USD) | 0.2 |
| Service fee (USD) | 0 |
| Tax on usage plus service fee (%) | 8 |
65 × 1.08 = 70.20.
Tool result · USD 70.20
What the comparison shows
A 15.00 fee waiver changes the total by 16.20 because it also reduces tax by 1.20.
Assumptions and limits
Some jurisdictions tax only selected charges. Enter a tax percentage here only when its base is usage plus the entered fee.
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