Energy
Battery storage
Cycles, efficiency, degradation and net present value.
- Outputs
- NPV · Payback
DISCOVER · RATIOXA TOOLS
Find the right calculator.
Filter by decision area, see the outputs and continue with a transparent model.
DECISION HELPER
Not sure which calculator you need?
What are you deciding about?
Tools
Break-even
Break-even from fixed costs and contribution margin.
- Outputs
- Break-even volume
Money
Check refinancing
Interest saving after term, fees and early repayment cost.
- Outputs
- Saving · Fee break-even
Money
Compound interest
Future value, contributions, gain and real purchasing power.
- Outputs
- Future value · Real purchasing power
Energy
Does solar pay?
Self-consumption, export, NPV, IRR and payback.
- Outputs
- NPV · Payback
Energy
Energy cost
Project consumption, tariff and price changes.
- Outputs
- Total cost · Monthly average
Cars
EV or petrol car?
TCO from depreciation, energy, tax, maintenance and charger.
- Outputs
- TCO · Cost per kilometre
Cars
Finance or pay cash?
Loan rate versus the opportunity cost of capital.
- Outputs
- Finance cost · Return crossover
Cars
Full car cost
Cost per month and kilometre, not just purchase price.
- Outputs
- Total cost · Month & kilometre
Energy
Heat pump or gas?
Present-value comparison of investment, efficiency and energy.
- Outputs
- Present-value cost · SCOP crossover
Home
How much home fits?
Indicative range from budget, rate, down payment and costs.
- Outputs
- Purchase-price range
Tools
Inflation
Future price and purchasing power today.
- Outputs
- Purchasing power
Cars
Lease or buy?
Total cost, finance, resale value and your crossovers.
- Outputs
- Total cost · Resale crossover
Cars
Leasing factor
Normalise rate, upfront payment and delivery cost.
- Outputs
- Effective leasing factor
Money
Loan calculator
Payment, interest, total cost and extra repayment.
- Outputs
- Payment · Interest
Home
Mortgage calculator
Payment, interest, balance and extra repayment.
- Outputs
- Payment · Balance
Tools
Percentage change
Relative and absolute change between two values.
- Outputs
- Percentage change
Home
Rent or buy?
Net wealth, remaining debt, rent and invested difference.
- Outputs
- Net wealth · Break-even year
Money
Repay or invest?
Guaranteed interest saving versus uncertain after-tax return.
- Outputs
- Future value · Return crossover
Tools
ROI
Relate investment outcome to capital used.
- Outputs
- ROI