Calculator templates & free tools
Start from eight proven calculator templates inside Calclet—multi-step logic, extra outputs, and lead capture included—or browse our most-used free tools in the browser with no signup.
Builder templates
One-click starters in the Calclet dashboard. Customize fields, branding, and embed codes—same features as AI-generated calculators.
8 templates
Construction
Roof Replacement Estimator
Estimate total cost, cost per square, and project duration by material and roof size.
4 inputs · 2 extra outputs
Business
Freelance Rate Calculator
Calculate hourly rate, daily rate, and monthly retainer with rush delivery option.
5 inputs · 2 extra outputs
Finance
Mortgage Payment Calculator
Calculate monthly payment, total interest paid, and total cost of the loan.
4 inputs · 2 extra outputs
Energy
Solar Panel Savings Estimator
Estimate annual savings, monthly savings, and system payback period.
5 inputs · 2 extra outputs
Events
Wedding Budget Calculator
Plan your wedding budget with venue, catering, and optional extras.
6 inputs · 2 extra outputs
SaaS
SaaS ROI Calculator
Show prospects their expected ROI with monthly savings, annual savings, and payback.
4 inputs · 2 extra outputs
Finance
Lease vs Buy Comparison
Compare leasing vs buying a car with monthly cost, total cost, and savings.
5 inputs · 2 extra outputs
Construction
Paint Cost Estimator
Calculate paint cost with primer option and multi-coat estimates.
4 inputs · 2 extra outputs
Best free tools
Interactive calculators you can run instantly—ideal for research, client calls, and SEO. Clone the logic into your own branded embed anytime.
SaaS
Saas Roi
Ad spend, trials, and revenue in one ROI story your team can share.
Open toolMarketing
Ppc Budget Pacing
Daily spend vs. monthly budget—catch pacing issues before month-end.
Open toolSaaS
Ltv Cac Ratio
Sanity-check unit economics before you scale paid acquisition.
Open toolAgencies
Agency Project Quote
Scope, rates, and phases in a quote wizard prospects can run themselves.
Open toolFinance
Mortgage With Taxes
Principal, interest, taxes, and insurance in one monthly payment view.
Open toolEcommerce
Unit Economics Cart
AOV, margin, and CAC in one view for DTC and marketplace sellers.
Open toolMarketing
Marketing Roas
Revenue, margin, and ad spend—turn traffic into a ROAS snapshot.
Open toolConstruction
Roofing Squares
Pitch, waste factor, and material—squares to a credible roof quote.
Open tool