The calculators

Numbers you can check yourself. We store none of your entries.

14 calculators

Each calculator answers a question no bill prints: what your car costs per mile, when a debt is paid off, how big your cushion needs to be. Where a default is a published average, its source sits next to the field; where it is an example, it says so. Every calculator page shows how it calculates.

The Money Burner

Find cost per use

Membership or pay per visit.

5 fields

Calculate electricity costs

From watts and hours to cost.

4 fields

Compare and Switch

Compare appliances

Purchase, electricity and payback.

6 fields

Review subscriptions

Monthly costs and unused plans.

list, up to 24 rows

Compare a switch

Savings after fees and effort.

6 fields

Cheap Life, Good Life

Compare unit prices

Price per pound, liter or item.

6 fields

The Math

Price a habit

Small purchases over a full year.

3 fields

Calculate car costs

Your full cost per mile.

12 fields

Turn money into time

The work hours a purchase takes.

5 fields

From Zero to Not Broke

Check rent affordability

Rent, extra costs and what is left.

7 fields

List fixed expenses

Monthly bills and reserves.

list, up to 24 rows

Plan your budget

What is left after your expenses.

6 fields

Plan debt payments

Payoff time and interest costs.

4 fields

Plan an emergency fund

Your cushion and time to build it.

4 fields

The Five-Dollar Slap

Once a week: one money trap, one way out. No fluff, no sharing your address.

Your email address

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