How to use Subscription Cost Calculator
A subscription cost calculator adds up every recurring service you pay for and reveals what they truly cost each month and each year. Streaming, music, cloud storage, software, gym memberships and app subscriptions bill on wildly different schedules — weekly, monthly, quarterly or annually — which makes the real total easy to lose track of. This tool lets you list each subscription with its amount and billing cycle, converts everything to a common monthly figure, and shows your combined monthly and yearly spend. Seeing the annual number in one place is often a wake-up call that turns vague unease about "too many subscriptions" into a clear figure you can act on.
- Enter the name, amount and billing cycle of each subscription.
- Use "Add subscription" for every service you pay for.
- Remove any rows you no longer need.
- Read the combined monthly total.
- Read the yearly total to see the real annual cost.
Your data never leaves your device — 100% private processing.
How mixed billing cycles are combined
The only way to compare subscriptions fairly is to put them on the same timescale, and monthly is the most useful one. The calculator converts each entry to an equivalent monthly cost: an annual fee is divided by twelve, a quarterly fee by three, and a weekly fee is multiplied by fifty-two and then divided by twelve. Those monthly equivalents are added together to give your true monthly spend, which is multiplied by twelve for the yearly figure. This matters because annual plans often look cheap per month but represent a large single payment, while small weekly or monthly charges add up to far more over a year than they appear to in isolation. Converting everything to a common figure strips away the billing-cycle illusion and shows the real ongoing commitment.
| Billing cycle | Amount | Monthly equivalent |
|---|---|---|
| Yearly | 99 | 8.25 |
| Quarterly | 30 | 10.00 |
| Weekly | 5 | 21.67 |
Turning the total into savings
Once your subscriptions are in one list, the yearly total usually does the persuading. A common pattern is "subscription creep" — services added for a free trial or a single show and never cancelled — and the annual figure makes those quietly draining payments obvious. Useful moves include cancelling anything you have not used in the last month, switching services you are sure about from monthly to annual billing for a discount, sharing eligible family plans, and rotating streaming services rather than paying for all of them at once. Because the calculator runs entirely in your browser and stores nothing, you can keep a private running list and revisit it whenever a new charge appears, treating the yearly total as a budget you actively manage rather than a surprise on your statement.
Worked examples
Three services
Inputs: 15.99/mo · 9.99/mo · 99/yr
Result: ≈ 34.23 / month · ≈ 410.76 / year
Single annual plan
Inputs: 120 / year
Result: 10.00 / month · 120 / year
Glossary
- Billing cycle
- How often a subscription charges you — weekly, monthly, quarterly or yearly.
- Monthly equivalent
- A subscription’s cost expressed as a per-month figure for comparison.
- Subscription creep
- The gradual build-up of recurring services that are rarely used.
- Recurring cost
- A charge that repeats automatically on a fixed schedule.
- Annual plan
- Paying for a service once a year, usually at a discount to monthly billing.
Related reading
Frequently Asked Questions
Why use Subscription Cost Calculator?
- Add up subscriptions across any billing cycle
- See both your monthly and true yearly spend
- Spot forgotten or overlapping services to cancel
- Compare the cost of monthly versus annual plans
- Everything stays in your browser — nothing is uploaded
Common use cases
- Audit all your streaming and software subscriptions
- Work out the annual cost hidden in monthly fees
- Decide which subscriptions to cut to save money
- Budget recurring costs alongside the 50/30/20 rule
- Compare an annual plan against paying monthly
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