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Free online calculators
Compare the true cost of a package, find your break-even sales, estimate payment fees, or plan a software budget. Each calculator gives a direct answer with its formula and limits visible; your inputs stay in your browser.
- Inputs stay in your browser
TierDrift tool directory
Unit price calculator
Find the cheaper package after converting ounces, pounds, fluid ounces or items.
- Inputs
- 2–5 options, package size, pack count, discount, shipping and tax
- Answers
- Comparable cost per unit, cheapest option and price difference
Break-even calculator
See how many sales cover your costs and reach a profit target.
- Inputs
- Fixed costs, unit price, variable cost and target profit
- Answers
- Break-even sales, revenue, target units and price scenarios
Stripe fee calculator
Estimate US domestic online card fees or reverse a target net amount.
- Inputs
- Charge amount, transaction count, target net and optional custom rate
- Answers
- Fee, net, batch totals and minimum gross-up charge
SaaS cost calculator
Build a team software budget from verified plans and custom tools.
- Inputs
- Products, plans, team size, and optional custom monthly costs
- Answers
- Monthly and annual spend, per-person cost, and cost share by tool
SaaS ROI calculator
Test whether realized time savings can cover a software purchase.
- Inputs
- Team size, hours saved, loaded labor cost, adoption, subscription, and setup
- Answers
- First-year ROI, value, net benefit, payback, and break-even time saved
SaaS price increase calculator
Translate a per-seat price change into a renewal budget impact.
- Inputs
- Previous unit price, new unit price, and billed seats
- Answers
- Percentage change, monthly and annual impact, and new annual spend
One decision path
Budget first, then test value and change
Start with the cost calculator to establish today's team budget. Feed that subscription total into the ROI calculator to test the first-year business case. When renewal pricing changes, use the price increase calculator to isolate the new budget impact.
Source-linked context
Begin with a price you can verify
TierDrift's cost calculator can start from 20 published SaaS records with visible plan names, billing terms, source links, and observation dates. The other tools accept any price you enter and publish every formula and exclusion.
Browse pricing records