Subscription Cost Calculators
Free, browser-based calculators for working out what recurring spending really costs — total up your monthly and annual subscriptions, model a subscription box, or price per-seat SaaS. Everything runs client-side; nothing you enter is sent to a server.
Subscription and cost calculators
Monthly vs annual subscription cost
The first thing any subscription calculator has to normalise is billing period. A plan quoted at $12/month costs 12 × 12 = $144 a year, while the same plan billed annually is often discounted — say $120/year, an effective $10/month. To compare fairly, convert everything to the same period: multiply monthly prices by 12 for an annual figure, or divide an annual price by 12 for the effective monthly rate. The annual-vs-monthly gap is the discount you are paying up front for, typically 15–20% on consumer plans.
The catch with annual billing is commitment: you pay the full year to capture the discount, so a service you cancel after four months costs more annually than monthly. A quick rule — annual billing wins only if you are confident you will keep the subscription past the break-even month, which is 12 × (1 − discount) months in. The Subscription Calculator adds up every service into one monthly and one yearly total so the real number is visible.
Modeling subscription-box costs
Subscription boxes (meal kits, coffee, beauty, pet supplies) are priced per shipment, so the monthly cost depends on delivery frequency, not a flat monthly fee. A $35 box shipped every two weeks is $35 × 2.17 = ~$76/month (there are ~4.33 weeks per month, so ~2.17 fortnightly shipments), not $35. Weekly boxes multiply by ~4.33; monthly boxes are 1×; quarterly boxes divide by 3. Add shipping if it is charged per box — a small per-shipment fee compounds quickly at weekly cadence.
To judge value, reduce the box to a cost-per-item or cost-per-serving: a $60 meal kit with 3 dinners for 2 people is $60 ÷ 6 = $10/serving. That per-unit number is what makes boxes comparable to buying the same goods yourself. Feed the per-shipment price and cadence into the Subscription Calculator alongside your streaming and app subscriptions to see the combined monthly burn.
Per-user and per-seat (SaaS) pricing
Most business software is priced per seat: total cost is seats × price-per-seat × periods. Ten seats at $15/user/month is $150/month, or $1,800/year — and per-seat plans usually have their own annual-vs-monthly split, so the annual per-seat rate ($12 instead of $15, say) multiplies across every seat. Watch for tier minimums (a plan that bills for a minimum of 5 seats even if you use 3) and per-seat add-ons, both of which make the effective per-user cost higher than the sticker price.
A useful sanity check for team tools is cost per active user, not cost per licensed seat: if you pay for 20 seats but only 12 people log in, your real per-user cost is (20 × rate) ÷ 12. And the same “hours of work” lens applies to business spend — the Can I Afford This? calculator, and the Meeting Cost Calculator for the time side, translate recurring charges into something more tangible than a line on an invoice.
How to calculate your total subscription cost
The total is simple arithmetic that is easy to under-count because subscriptions hide across different billing periods and cards. The reliable method: list every recurring charge, normalise each to a monthly figure (annual ÷ 12, quarterly ÷ 3, per-shipment × shipments-per-month), then sum. Multiply the monthly total by 12 for the yearly picture — the number that usually surprises people, because a stack of “just $9.99” services quietly adds up to hundreds of dollars a year.
Don't forget the easy-to-miss ones: annual renewals you set and forgot, free trials that converted, app-store subscriptions, and per-seat tools at work. The Subscription Calculator does the normalising and summing for you and shows the monthly and annual totals side by side, so the true cost — and whether it is worth it — is in front of you rather than scattered across a dozen statements.