About this calculator
Calculate the true value of your streaming subscriptions. Compare cost per hour across Netflix, Spotify, Disney+, and more. Find which services give you the best value for your money.
How to use
Check the box next to each streaming or subscription service you pay for, enter its monthly cost and how many hours you use it per month, then click Calculate to see your total monthly and annual cost plus a cost-per-hour breakdown for each service. Click Clear to reset all fields.
Frequently Asked Questions
How reliable is this calculation?
This calculator uses standard formulas appropriate for its domain and is accurate given correct inputs. Results are best used as estimates for planning, comparison, and decision-making — not as guarantees. For high-stakes decisions, verify results with domain-specific professional advice or additional sources.
What if I need more precision?
For higher precision, use more accurate input measurements and consider whether the underlying formula accounts for all relevant factors in your situation. Most practical calculators make simplifying assumptions that trade off some accuracy for ease of use. Specialized professional software or expert consultation may be appropriate for critical applications.
Can I trust online calculators?
Reputable calculators use peer-reviewed formulas and clearly document their methodology. Be cautious of calculators that don't cite their sources or give implausibly precise outputs from rough inputs. This calculator uses standard established formulas — always cross-reference important results with a second source.
How do I use this result effectively?
Treat your result as a data point, not a conclusion. Combine it with other relevant information, your specific context, and judgment about whether the formula's assumptions apply to your situation. The most valuable use of a calculator is to quickly compare scenarios (what if I change X?) rather than to get a single 'correct' answer.
Common Tip Percentages
| Service | Typical Tip Range | Notes |
|---|---|---|
| Restaurant (sit-down) | 15–20% | 20%+ for exceptional service |
| Food delivery | 10–20% | Consider extra for long distances |
| Taxi / rideshare | 10–20% | More for assistance with luggage |
| Hotel housekeeping | $2–5/night | Leave daily, not just at checkout |
| Barber / hair salon | 15–20% | On pre-discount total |
| Pizza delivery | 10–15% or $3–5 minimum | Higher in bad weather |
General Household Budget Ratios (50/30/20 Rule)
| Category | % of Net Income | Examples |
|---|---|---|
| Needs | 50% | Rent, groceries, utilities, insurance |
| Wants | 30% | Dining out, entertainment, hobbies |
| Savings / Debt | 20% | Emergency fund, retirement, extra payments |
Common Measurement Conversions for Everyday Use
| Quantity | US / Imperial | Metric Equivalent |
|---|---|---|
| 1 cup | 8 fl oz | 237 mL |
| 1 pint | 16 fl oz | 473 mL |
| 1 quart | 32 fl oz | 946 mL |
| 1 gallon | 128 fl oz | 3.785 L |
| 1 lb | 16 oz | 453.6 g |
| 1 ft | 12 in | 30.48 cm |